Network+ Studyguide

A network engineer needs to create a subnet that has the capacity for five VLANs, with the following number of clients to be allowed on each:Which of the following is the SMALLEST subnet capable of this setup that also has the capacity to double the number of clients in the future?

10.0.0.0/22

A workstation is configured with the following network details:Software on the workstation needs to send a query to the local subnet broadcast address. To which of the following addresses should the software be configured to send the query?

10.1.2.31

A network technician is performing tests on a potentially faulty network card that is installed in a server. Which of the following addresses will MOST likely be used during traffic diagnostic tests?

127.0.0.1

Which of the following ports are associated with IMAP? (Choose two.)

143 & 993

Which of the following is the LARGEST MTU for a standard Ethernet frame?

1500

A new office space is being designed. The network switches are up, but no services are running yet. A network engineer plugs in a laptop configured as a DHCP client to a switch. Which of the following IP addresses should be assigned to the laptop?

169.254.1.128

The following instructions were published about the proper network configuration for a videoconferencing device:"Configure a valid static RFC1918 address for your network. Check the option to use a connection over NAT."Which of the following is a valid IP address configuration for the device?

172.19.0.2

A systems administrator is configuring a firewall using NAT with PAT. Which of the following would be BEST suited for the LAN interface?

172.23.0.0/16

A technician is configuring a static IP address on a new device in a newly created subnet. The work order specifies the following requirements:• The IP address should use the highest address available in the subnet.• The default gateway needs to be set to 172.28.85.94.• The subnet mask needs to be 255.255.255.224.Which of the following addresses should the engineer apply to the device?

172.28.85.93

Which of the following is the IEEE link cost for a Fast Ethernet interface in STP calculations?

19

A network technician needs to ensure outside users are unable to telnet into any of the servers at the datacenter. Which of the following ports should be blocked when checking firewall configuration?

23

During a recent security audit, a contracted penetration tester discovered the organization uses a number of insecure protocols. Which of the following ports should be disallowed so only encrypted protocols are allowed? (Choose two.)

23 & 69

A network technician is manually configuring the network settings for a new device and is told the network block is 192.168.0.0/20. Which of the following subnets should the technician use?

255.255.240.0

A client moving into a new office wants the IP network set up to accommodate 412 network-connected devices that are all on the same subnet. The subnet needs to be as small as possible. Which of the following subnet masks should be used to achieve the required result?

255.255.254.0

Which of the following TCP ports is used by the Windows OS for file sharing?

445

Which of the following ports is commonly used by VoIP phones?

5060

A technician is installing the Wi-Fi infrastructure for legacy industrial machinery at a warehouse. The equipment only supports 802.11a and 802.11b standards. Speed of transmission is the top business requirement. Which of the following is the correct maximum speed for this scenario?

54Mbps

An organization requires the ability to send encrypted email messages to a partner from an email server that is hosted on premises. The organization prefers to use the standard default ports when creating firewall rules. Which of the following ports should be open to satisfy the requirements?

587

A technician is installing a high-density wireless network and wants to use an available frequency that supports the maximum number of channels to reduce interference. Which of the following standard 802.11 frequency ranges should the technician look for while reviewing WAP specifications?

5GHz

A network administrator is given the network 80.87.78.0/26 for specific device assignments. Which of the following describes this network?

80.87.78.1 - 80.87.78.62

A coffee shop owner hired a network consultant to provide recommendations for installing a new wireless network. The coffee shop customers expect high speeds even when the network is congested. Which of the following standards should the consultant recommend?

802.11ax

A network administrator is planning a WLAN for a soccer stadium and was advised to use MU-MIMO to improve connection performance in high-density areas.The project requires compatibility with clients connecting using 2.4GHz or 5GHz frequencies. Which of the following would be the BEST wireless standard for this project?

802.11ax

A systems administrator needs to improve WiFi performance in a densely populated office tower and use the latest standard. There is a mix of devices that use2.4 GHz and 5 GHz. Which of the following should the systems administrator select to meet this requirement?

802.11ax

A homeowner frequently has guests visit and would like to install a wireless router for their personal devices. The homeowner wants to ensure that the wireless router is compatible with the widest range of devices possible. Which of the following standards should a technician suggest?

802.11n

Which of the following ports should be used to securely receive mail that is synchronized across multiple devices?

993

A network administrator is implementing OSPF on all of a company's network devices. Which of the following will MOST likely replace all the company's hubs?

A Layer 3 switch

A network administrator would like to purchase a device that provides access ports to endpoints and has the ability to route between networks.Which of the following would be BEST for the administrator to purchase?

A Layer 3 switch

A systems administrator wants to use the least amount of equipment to segment two departments that have cables terminating in the same room. Which of the following would allow this to occur?

A Layer 3 switch

Which of the following would enable a network technician to implement dynamic routing?

A Layer 3 switch

A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds that jitter at the office is greater than 10ms on the only WAN connection available. Which of the following would be MOST affected by this statistic?

A VoIP sales call with a customer

A network engineer is investigating reports of poor network performance. Upon reviewing a report, the engineer finds hundreds of CRC errors on an interface.Which of the following is the MOST likely cause of these errors?

A bad wire on the Cat 5e cable

Which of the following is used to elect an STP root?

A bridge ID

A technician is connecting multiple switches to create a large network for a new office. The switches are unmanaged Layer 2 switches with multiple connections between each pair. The network is experiencing an extreme amount of latency. Which of the following is MOST likely occurring?

A broadcast storm

Which of the following would MOST likely utilize PoE?

A camera

The management team needs to ensure unnecessary modifications to the corporate network are not permitted and version control is maintained. Which of the following documents would BEST support this?

A change management policy

Users attending security training at work are advised not to use single words as passwords for corporate applications. Which of the following does this BEST protect against?

A dictionary attack

Which of the following is MOST likely to generate significant East-West traffic in a datacenter?

A duplication of a hosted virtual server to another physical server for redundancy

A network administrator wants to analyze attacks directed toward the company's network. Which of the following must the network administrator implement to assist in this goal?

A honeypot

An IT director is setting up new disaster and HA policies for a company. Limited downtime is critical to operations. To meet corporate requirements, the director set up two different datacenters across the country that will stay current on data and applications. In the event of an outage, the company can immediately switch from one datacenter to another. Which of the following does this BEST describe?

A hot site

To access production applications and data, developers must first connect remotely to a different server. From there, the developers are able to access production data. Which of the following does this BEST represent?

A jump box

A network technician reviews an entry on the syslog server and discovers the following message from a switch:SPANNING-TREE Port 1/1 BLOCKED -Which of the following describes the issue?

A loop was discovered, and the impact was mitigated.

A technician is connecting a Cat 6 Ethernet cable to a device that only has LC ports. Which of the following will the technician MOST likely use to accomplish this task?

A media converter

Which of the following is required when connecting an endpoint device with an RJ45 port to a network device with an ST port?

A media converter

Which of the following would be used when connecting devices that have different physical characteristics?

A media converter

Which of the following use cases would justify the deployment of an mGRE hub-and-spoke topology?

A network expansion caused by an increase in the number of branch locations to the headquarters

A network technician needs to install security updates on several switches on the company's network. The management team wants this completed as quickly and efficiently as possible. Which of the following should the technician do to perform the updates?

A network technician needs to install security updates on several switches on the company's network. The management team wants this completed as quickly and efficiently as possible. Which of the following should the technician do to perform the updates?

Which of the following BEST describes a North-South traffic flow?

A public Internet user accessing a published web server

A network administrator is trying to identify a device that is having issues connecting to a switchport. Which of the following would BEST help identify the issue?

A rack diagram

Which of the following uses the destination IP address to forward packets?

A router

Which of the following is a security flaw in an application or network?

A vulnerability

Which of the following devices would be used to manage a corporate WLAN?

A wireless controller

Several WIFI users are reporting the inability to connect to the network. WLAN users on the guest network are able to access all network resources without any performance issues. The following table summarizes the findings after a site survey of the area in question:

A. Reconfigure the channels to reduce overlap Most Voted

A network technician needs to determine the IPv6 address of a malicious website. Which of the following record types would provide this information?

AAAA

An IT officer is installing a new WAP. Which of the following must the officer change to connect users securely to the WAP?

AES encryption

Users are reporting poor wireless performance in some areas of an industrial plant. The wireless controller is measuring a low EIRP value compared to the recommendations noted on the most recent site survey. Which of the following should be verified or replaced for the EIRP value to meet the site survey's specifications? (Choose two.)

AP transmit power & Signal loss

A technician recently set up a small office network for nine users. When the installation was complete, all the computers on the network showed addresses ranging from 169.254.0.0 to 169.254.255.255. Which of the following types of address ranges does this represent?

APIPA

A device is connected to a managed Layer 3 network switch. The MAC address of the device is known, but the static IP address assigned to the device is not.Which of the following features of a Layer 3 network switch should be used to determine the IPv4 address of the device?

ARP table

A technician knows the MAC address of a device and is attempting to find the device's IP address. Which of the following should the technician look at to find the

ARP table & DHCP leases

A network technician is reviewing a document that specifies how to handle access to company resources, such as the Internet and printers, when devices are not part of the company's assets. Which of the following agreements would a user be required to accept before using the company's resources?

AUP

Which of the following provides guidance to an employee about restricting non-business access to the company's videoconferencing solution?

Acceptable use policy

Access to a datacenter should be individually recorded by a card reader even when multiple employees enter the facility at the same time. Which of the following allows the enforcement of this policy?

Access control vestibules

Which of the following is considered a physical security detection device?

Access control vestibules

An auditor assessing network best practices was able to connect a rogue switch into a network jack and get network connectivity. Which of the following controls would BEST address this risk?

Activate port security on the switchports providing end user access.

A technician is trying to install a VoIP phone, but the phone is not turning on. The technician checks the cable going from the phone to the switch, and the cable is good. Which of the following actions is needed for this phone to work?

Add a PoE injector

A technician performed a manual reconfiguration of a firewall, and network connectivity was reestablished. Some connection events that were previously sent to a syslog server are no longer being generated by the firewall. Which of the following should the technician perform to fix the issue?

Adjust the proper logging level on the new firewall.

A network administrator is configuring logging on an edge switch. The requirements are to log each time a switch port goes up or down. Which of the following logging levels will provide this information?

Alert

Which of the following is the physical security mechanism that would MOST likely be used to enter a secure site?

An access control vestibule

A network administrator is preparing answers for an annual risk assessment that is required for compliance purposes. Which of the following would be an example of an internal threat?

An approved vendor with on-site offices

A network administrator is designing a wireless network. The administrator must ensure a rented office space has a sufficient signal. Reducing exposure to the wireless network is important, but it is secondary to the primary objective. Which of the following would MOST likely facilitate the correct accessibility to the Wi-Fi network?

Antenna type

Which of the following OSI model layers would allow a user to access and download files from a remote computer?

Application

A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?

Ask what changes were made

A technician is installing multiple UPS units in a major retail store. The technician is required to keep track of all changes to new and old equipment. Which of the following will allow the technician to record these changes?

Asset tags

A newly installed VoIP phone is not getting the DHCP IP address it needs to connect to the phone system. Which of the following tasks need to be completed to allow the phone to operate correctly?

Assign the phone's switchport to the correct VLAN

A network administrator is troubleshooting a connectivity performance issue. As part of the troubleshooting process, the administrator performs a traceroute from the client to the server, and also from the server to the client. While comparing the outputs, the administrator notes they show different hops between the hosts. Which of the following BEST explains these findings?

Asymmetric routing

Due to concerns around single points of failure, a company decided to add an additional WAN to the network. The company added a second MPLS vendor to the current MPLS WAN and deployed an additional WAN router at each site. Both MPLS providers use OSPF on the WAN network, and EIGRP is run internally. The first site to go live with the new WAN is successful, but when the second site is activated significant network issues occur. Which of the following is the MOST likely cause for the WAN instability?

Asymmetrical routing

Given the following information:Which of the following would cause performance degradation between PC A and PC B?

Attenuation

A technician needs to configure a routing protocol for an internet-facing edge router. Which of the following routing protocols will the technician MOST likely use?

BGP

Which of the following protocols would enable a company to upgrade its internet connection by acquiring its own public IP prefixes and autonomous system number?

BGP

Which of the following routing protocols is generally used by major ISPs for handling large-scale internet traffic?

BGP

Which of the following routing protocols is used to exchange route information between public autonomous systems?

BGP

Which of the following policies should be referenced when a user wants to access work email on a personal cell phone?

BYOD policy

Which of the following is used to prioritize Internet usage per application and per user on the network?

Bandwidth management

Which of the following physical security methods is the MOST effective to prevent tailgating?

Biometrics in an access control vestibule

A company is utilizing multifactor authentication for data center access. Which of the following is the MOST effective security mechanism against physical intrusions due to stolen credentials?

Biometrics security hardware

A network device needs to discover a server that can provide it with an IPv4 address. Which of the following does the device need to send the request to?

Broadcast address

A user calls the IT department to report being unable to log in after locking the computer. The user resets the password, but later in the day the user is again unable to log in after locking the computer. Which of the following attacks against the user is MOST likely taking place?

Brute-force

Which of the following documents is MOST likely to be associated with identifying and documenting critical applications?

Business continuity plan

A network administrator is installing a wireless network at a client's office. Which of the following IEEE 802.11 standards would be BEST to use for multiple simultaneous client access?

CDMA

An organization purchased an allocation of public IPv4 addresses. Instead of receiving the network address and subnet mask, the purchase paperwork indicates the allocation is a /28. This type of notation is referred to as:

CIDR

A company is being acquired by a large corporation. As part of the acquisition process, the company's address should now redirect clients to the corporate organization page. Which of the following DNS records needs to be created?

CNAME

Which of the following DNS records works as an alias to another record?

CNAME

A network administrator would like to enable NetFlow on a Layer 3 switch but is concerned about how the feature may impact the switch. Which of the following metrics should the administrator graph using SNMP to BEST measure the feature's impact?

CPU usage

A technician is monitoring a network interface and notices the device is dropping packets. The cable and interfaces, however, are in working order. Which of the following is MOST likely the cause?

CPU usage

A client recently added 100 users who are using VMs. All users have since reported slow or unresponsive desktops. Reports show minimal network congestion, zero packet loss, and acceptable packet delay. Which of the following metrics will MOST accurately show the underlying performance issues? (Choose two.)

CPU usage & Memory

A technician is troubleshooting a network switch that seems to stop responding to requests intermittently whenever the logging level is set for debugging. Which of the following metrics should the technician check to begin troubleshooting the issue?

CPU utilization

A network technician is reviewing the interface counters on a router interface. The technician is attempting to confirm a cable issue. Given the following information:

CRCs

Which of the following is used to track and document various types of known vulnerabilities?

CVE

A technician is configuring a wireless network and needs to ensure users agree to an AUP before connecting. Which of the following should be implemented to achieve this goal?

Captive Portal

A network technician is hired to review all the devices within a network and make recommendations to improve network efficiency. Which of the following should the technician do FIRST before reviewing and making any recommendations?

Capture a network baseline

Which of the following would be BEST suited for a long cable run with a 40Gbps bandwidth?

Cat 8

An engineer recently decided to upgrade the firmware on a router. During the upgrade, the help desk received calls about a network outage, and a critical ticket was opened. The network manager would like to create a policy to prevent this from happening in the future. Which of the following documents should the manager create?

Change management

Which of the following would MOST likely be used to review previous upgrades to a system?

Change management

Which of the following would be used to enforce and schedule critical updates with supervisory approval and include backup plans in case of failure?

Change management

A network administrator is decommissioning a server. Which of the following will the network administrator MOST likely consult?

Change management documentation

A company rents out a large event space and includes wireless internet access for each tenant. Tenants reserve a two-hour window from the company each week, which includes a tenant-specific SSID. However, all users share the company's network hardware.The network support team is receiving complaints from tenants that some users are unable to connect to the wireless network. Upon investigation, the support team discovers a pattern indicating that after a tenant with a particularly large attendance ends its sessions, tenants throughout the day are unable to connect.The following settings are common to all network configurations:Which of the following actions would MOST likely reduce this issue? (Choose two.)

Change the DHCP scope end to 10.1.10.250. & Reduce the DHCP lease time to four hours.

A network administrator is reviewing the network device logs on a syslog server. The messages are normal, but the time stamps on the messages are incorrect.Which of the following actions should the administrator take to ensure the log message time stamps are correct?

Change the NTP settings on the network device.

Network traffic is being compromised by DNS poisoning every time a company's router is connected to the internet. The network team detects a non-authorized DNS server being assigned to the network clients and remediates the incident by setting a trusted DNS server, but the issue occurs again after internet exposure. Which of the following best practices should be implemented on the router?

Change the device's default password

A Wi-Fi network was originally configured to be able to handle interference from a microwave oven. The microwave oven was recently removed from the office. Now the network administrator wants to optimize the system to maximize the range of the signal. The main sources of signal degradation are the numerous cubicles and wooden walls between the WAP and the intended destination. Which of the following actions should the administrator take?

Change the frequency

A client utilizes mobile tablets to view high-resolution images and videos via Wi-Fi within a corporate office building. The previous administrator installed multiple high-density APs with Wi-Fi 5, providing maximum coverage, but the measured performance is still below expected levels. Which of the following would provide the BEST solution?

Channel bonding

A new company recently moved into an empty office space. Within days, users in the next office began noticing increased latency and packet drops with their Wi-Fi-connected devices. Which of the following is the MOST likely reason for this issue?

Channel overlap

A technician is troubleshooting a client's report about poor wireless performance. Using a client monitor, the technician notes the following information:Which of the following is MOST likely the cause of the issue?

Channel overlap

A network team is getting reports that air conditioning is out in an IDF. The team would like to determine whether additional network issues are occurring. Which of the following should the network team do?

Check for SNMP traps from a network device in the IDF.

A network administrator received a report stating a critical vulnerability was detected on an application that is exposed to the internet. Which of the following is the appropriate NEXT step?

Check for the existence of a known exploit in order to assess the risk.

The following DHCP scope was configured for a new VLAN dedicated to a large deployment of 325 IoT sensors:The first 244 IoT sensors were able to connect to the TFTP server, download the configuration file, and register to an IoT management system. The other sensors are being shown as offline. Which of the following should be performed to determine the MOST likely cause of the partial deployment of the sensors?

Check the DHCP network scope

A company just migrated its email service to a cloud solution. After the migration, two-thirds of the internal users were able to connect to their mailboxes, but the connection fails for the other one-third of internal users. Users working externally are not reporting any issues. The network administrator identifies the following output collected from an internal host: c:\user> nslookup newmail.company.comNon-Authoritative answer:Name: newmail.company.com -IPs: 3.219.13.186, 64.58.225.184, 184.168.131.243Which of the following verification tasks should the network administrator perform NEXT?

Check the firewall ACL to verify all required IP addresses are included.

A network administrator is investigating a performance issue on a dual-link connection — VPN and MPLS — to a partner network. The MPLS is the primary path, and the VPN is used as a backup. While communicating, the delay is measured at 18ms, which is higher than the 6ms expected when the MPLS link is operational but lower than the 30ms expected for the VPN connection. Which of the following will MOST likely point to the root cause of the issue?

Checking the routing tables on both sides to ensure there is no asymmetric routing

Which of the following architectures is used for FTP?

Client-server

A network administrator needs to provide remote clients with access to an internal web application. Which of the following methods provides the HIGHEST flexibility and compatibility while encrypting only the connection to the web application?

Clientless VPN

Which of the following is used to provide disaster recovery capabilities to spin up all critical devices using internet resources?

Cloud site

Which of the following would be the MOST cost-effective recovery solution for a company's lower-priority applications?

Cloud site

A technician is installing a cable modem in a SOHO. Which of the following cable types will the technician MOST likely use to connect a modem to the ISP?

Coaxial

A company wants to add a local redundant data center to its network in case of failure at its primary location. Which of the following would give the LEAST amount of redundancy for the company's network?

Cold site

A network administrator needs to provide evidence to confirm that recent network outages were caused by increased traffic generated by a recently released application. Which of the following actions will BEST support the administrator's response?

Collect the router's NetFlow data.

A network technician is troubleshooting a new web server connectivity issue. The network technician discovers the following on the support ticket:• The server's IP address can be pinged from the client PCs.• Access to the web resource works correctly when on the server's console.• No clients can access the server's data via URL.• The server does not have a firewall configured.• No ACLs are preventing connectivity from the client's network.• All services on the server are operating normally, which was confirmed by the server team.Which of the following actions will resolve the issue?

Configure A records for the web server

A company with multiple routers would like to implement an HA network gateway with the least amount of downtime possible. This solution should not require changes on the gateway setting of the network clients. Which of the following should a technician configure?

Configure a shared VIP and deploy VRRP on the routers.

A network administrator installed a new data and VoIP network. Users are now experiencing poor call quality when making calls. Which of the following should the administrator do to increase VoIP performance?

Configure a voice VLAN

A network switch was installed to provide connectivity to cameras monitoring wildlife in a remote location. The organization is concerned that intruders could potentially leverage unattended equipment in the remote location to connect rogue devices and gain access to the organization's resources. Which of the following techniques would BEST address the concern?

Configure port security using MAC filtering.

A security administrator is trying to prevent incorrect IP addresses from being assigned to clients on the network. Which of the following would MOST likely prevent this and allow the network to continue to operate?

Configuring DHCP snooping on the switch

A systems administrator is running a VoIP network and is experiencing jitter and high latency. Which of the following would BEST help the administrator determine the cause of these issues?

Configuring SNMP traps on the network

Two new network switches located in different buildings are connected together with single-mode fiber. However, no link exists between the two switches. Which of the following steps should the technician perform FIRST to troubleshoot the issue?

Connect the fiber patch cord to an OTDR at one building

A technician installed an 8-port switch in a user's office. The user needs to add a second computer in the office, so the technician connects both PCs to the switch and connects the switch to the wall jack. However, the new PC cannot connect to network resources. The technician then observes the following:✑ The new computer does not get an IP address on the client's VLAN.✑ Both computers have a link light on their NICs.✑ The new PC appears to be operating normally except for the network issue.✑ The existing computer operates normally.Which of the following should the technician do NEXT to address the situation?

Contact the network team to resolve the port security issue.

An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user locations. Which of the following technologies BEST meets the organization's requirements?

Content delivery network

A company built a new building at its headquarters location. The new building is connected to the company's LAN via fiber-optic cable. Multiple users in the new building are unable to access the company's intranet site via their web browser, but they are able to access internet sites. Which of the following describes how the network administrator can resolve this issue?

Correct the DNS server entries in the DHCP scope

An engineer is troubleshooting poor performance on the network that occurs during work hours. Which of the following should the engineer do to improve performance?

Create link aggregation

Which of the following attack vectors represents a large number of devices sending access requests to a website, making it unavailable to respond?

DDoS

Which of the following attacks MOST likely utilizes a botnet to disrupt traffic?

DDoS

A technician is troubleshooting a report about network connectivity issues on a workstation. Upon investigation, the technician notes the workstation is showing anAPIPA address on the network interface. The technician verifies that the VLAN assignment is correct and that the network interface has connectivity. Which of the following is MOST likely the issue the workstation is experiencing?

DHCP exhaustion

An IP address is maintained despite a failing UPS that causes a workstation to restart several times. Which of the following would allow this to occur?

DHCP reservation

A network administrator has received calls every day for the past few weeks from three users who cannot access the network. The administrator asks all the users to reboot their PCs, but the same users still cannot access the system. The following day, three different users report the same issue, and the administrator asks them all to reboot their PCs; however, this does not fix the issue. Which of the following is MOST likely occurring?

DHCP scope exhaustion

A technician is troubleshooting reports that a networked printer is unavailable. The printer's IP address is configured with a DHCP reservation, but the address cannot be pinged from the print server in the same subnet. Which of the following is MOST likely the cause of the connectivity failure?

DHCP scope exhaustion

An attacker targeting a large company was able to inject malicious A records into internal name resolution servers. Which of the following attack types was MOST likely used?

DNS poisoning

Which of the following layers of the OSI model has new protocols activated when a user moves from a wireless to a wired connection?

Data link

The following configuration is applied to a DHCP server connected to a VPN concentrator:There are 300 non-concurrent sales representatives who log in for one hour a day to upload reports, and 252 of these representatives are able to connect to theVPN without any Issues. The remaining sales representatives cannot connect to the VPN over the course of the day. Which of the following can be done to resolve the issue without utilizing additional resources?

Decrease the lease duration

A user tries to ping 192.168.1.100 from the command prompt on the 192.168.2.101 network but gets the following response: U.U.U.U. Which of the following needs to be configured for these networks to reach each other?

Default gateway

An administrator is working with the local ISP to troubleshoot an issue. Which of the following should the ISP use to define the furthest point on the network that the administrator is responsible for troubleshooting?

Demarcation point

A cafeteria is facing lawsuits related to criminal internet access that was made over its guest network. The marketing team, however, insists on keeping the cafeteria's phone number as the wireless passphrase. Which of the following actions would improve wireless security while accommodating the marketing team and accepting the terms of use?

Deploying a captive portal for user authentication

A WAN technician reviews activity and identifies newly installed hardware that is causing outages over an eight-hour period. Which of the following should be considered FIRST?

Device configuration review

An attacker is attempting to find the password to a network by inputting common words and phrases in plaintext to the password prompt. Which of the following attack types BEST describes this action?

Dictionary attack

A small office is running WiFi 4 APs, and neighboring offices do not want to increase the throughput to associated devices. Which of the following is the MOST cost-efficient way for the office to increase network performance?

Disable the 2.4GHz radios.

A network administrator is adding a new switch to the network. Which of the following network hardening techniques would be BEST to use once the switch is in production?

Disable unneeded ports

A company is moving to a new building designed with a guest waiting area that has existing network ports. Which of the following practices would BEST secure the network?

Disable unneeded switchports in the area.

A network manager is configuring switches in IDFs to ensure unauthorized client computers are not connecting to a secure wired network. Which of the following is the network manager MOST likely performing?

Disabling unneeded switchports

A network administrator installed an additional IDF during a building expansion project. Which of the following documents need to be updated to reflect the change? (Choose two.)

Disaster recovery plan & Physical network diagram

A company's primary ISP is experiencing an outage. However, the network administrator notices traffic continuing to flow through a secondary connection to the same ISP. Which of the following BEST describes this configuration?

Diverse paths

A corporate client is experiencing global system outages. The IT team has identified multiple potential underlying causes throughout the enterprise. Each team member has been assigned an area to troubleshoot. Which of the following approaches is being used?

Divide-and-conquer

A malicious user is using special software to perform an on-path attack. Which of the following best practices should be configured to mitigate this threat?

Dynamic ARP inspection

Which of the following is an advanced distance vector routing protocol that automates routing tables and also uses some features of link-state routing protocols?

EIGRP

A technician is troubleshooting a wireless connectivity issue in a small office located in a high-rise building. Several APs are mounted in this office. The users report that the network connections frequently disconnect and reconnect throughout the day. Which of the following is the MOST likely cause of this issue?

EIRP needs to be boosted

Which of the following would be used to adjust resources dynamically for a virtual web server under variable loads?

Elastic computing

An office area contains two PoE-enabled WAPs. After the area was remodeled, new cable uplinks were installed in the ceiling above the fluorescent lights. However, after the WAPs were reconnected, users reported slowness and application errors. An intern reviewed the network and discovered a lot of CRC errors. A network engineer reviewed the intern's work and realized UTP cabling was used. Which of the following is the MOST likely cause of the CRC errors?

Electromagnetic interference

A company streams video to multiple devices across a campus. When this happens, several users report a degradation of network performance. Which of the following would MOST likely address this issue?

Enable IGMP snooping on the switches

A client who shares office space and an IT closet with another company recently reported connectivity issues throughout the network. Multiple third-party vendors regularly perform on-site maintenance in the shared IT closet. Which of the following security techniques would BEST secure the physical networking equipment?

Enable logging

Switch 3 was recently added to an existing stack to extend connectivity to various parts of the network. After the update, new employees were not able to print to the main networked copiers from their workstations. Following are the port configurations for the switch stack in question: Which of the following should be configured to resolve the issue? (Choose two.)

Enable the printer ports on Switch 3 & Reconfigure the VLAN on the printer ports on Switch 3

A company cell phone was stolen from a technician's vehicle. The cell phone has a passcode, but it contains sensitive information about clients and vendors. Which of the following should also be enabled?

Encryption

Which of the following is a requirement when certifying a network cabling as Cat 7?

Ensure the termination standard is TIA/EIA-568-A.

A technician is investigating an issue with connectivity at customer's location. The technician confirms that users can access resources locally but not over the internet. The technician theorizes that the local router has failed and investigates further. The technician's testing results show that the router is functional; however, users still are unable to reach resources on the internet. Which of the following describes what the technician should do NEXT?

Escalate the issue

A network technician has determined the cause of a network disruption. Which of the following is the NEXT step for the technician to perform?

Establish a plan of action to resolve the issue.

Which of the following is the NEXT step to perform network troubleshooting after identifying an issue?

Establish a theory

A network technician is troubleshooting an application issue. The technician is able to recreate the issue in a virtual environment. According to the troubleshooting methodology, which of the following actions will the technician most likely perform NEXT?

Establish a theory of probable cause.

Which of the following types of attacks can be used to gain credentials by setting up rogue APs with identical corporate SSIDs?

Evil Twin

A technician manages a DHCP scope but needs to allocate a portion of the scope's subnet for statically assigned devices. Which of the following DHCP concepts would be BEST to use to prevent IP address conflicts?

Exclusion range

A network technician receives a support ticket about an employee who has misplaced a company-owned cell phone that contains private company information.Which of the following actions should the network technician take to prevent data loss?

Execute remote wipe.

A technician wants to deploy a new wireless network that comprises 30 WAPs installed throughout a three-story office building. All the APs will broadcast the same SSID for client access. Which of the following BEST describes this deployment?

Extended service set

Which of the following connector types would be used to connect to the demarcation point and provide network access to a cable modem?

F-type

Which of the following technologies provides a failover mechanism for the default gateway?

FHRP

Which of the following systems would MOST likely be found in a screened subnet?

FTP

Which of the following cable types would MOST likely be used to provide high-speed network connectivity between nearby buildings?

Fiber

A technician was cleaning a storage closet and found a box of transceivers labeled 8Gbps. Which of the following protocols uses those transceivers?

Fibre Channel

Which of the following is MOST commonly used to address CVEs on network equipment and/or operating systems?

Firmware update

A switch is connected to another switch. Incompatible hardware causes a surge in traffic on both switches. Which of the following configurations will cause traffic to pause, allowing the switches to drain buffers?

Flow control

A technician is investigating packet loss to a device that has varying data bursts throughout the day. Which of the following will the technician MOST likely configure to resolve the issue?

Flow control

Which of the following is the MOST secure connection used to inspect and provide controlled internet access when remote employees are connected to the corporate network?

Full-tunnel VPN

Network users reported that a recent firmware upgrade to a firewall did not resolve the issue that prompted the upgrade. Which of the following should be performed NEXT?

Gather additional information to ensure users' concerns are not been caused by a different issue with similar symptoms.

The power company notifies a network administrator that it will be turning off the power to the building over the weekend. Which of the following is the BEST solution to prevent the servers from going down?

Generator

A network administrator is reviewing interface errors on a switch. Which of the following indicates that a switchport is receiving packets in excess of the configuredMTU?

Giants

A company's network is set up so all Internet-bound traffic from all remote offices exits through a main datacenter. Which of the following network topologies would BEST describe this setup?

Hub-and-spoke

An administrator notices that after contact with several switches in an MDF they failed due to electrostatic discharge. Which of the following sensors should the administrator deploy to BEST monitor static electricity conditions in the MDF?

Humidity

A company's data center is hosted at its corporate office to ensure greater control over the security of sensitive data. During times when there are increased workloads, some of the company's non-sensitive data is shifted to an external cloud provider. Which of the following cloud deployment models does this describe?

Hybrid

Which of the following BEST describes a network appliance that warns of unapproved devices that are accessing the network?

IDS

A company hired a technician to find all the devices connected within a network. Which of the following software tools would BEST assist the technician in completing this task?

IP scanner

Which of the following would be BEST to install to find and block any malicious users within a network?

IPS

Which of the following is an example of on-demand scalable hardware that is typically housed in the vendor's data center?

IaaS

Which of the following service models would MOST likely be used to replace on-premises servers with a cloud solution?

IaaS

Which of the following services can provide data storage, hardware options, and scalability to a third-party company that cannot afford new devices?

IaaS

An employee reports to a network administrator that internet access is not working. Which of the following should the administrator do FIRST?

Identify symptoms

On a network with redundant switches, a network administrator replaced one of the switches but was unable to get a connection with another switch. Which of the following should the administrator check after successfully testing the cable that was wired for TIA/EIA-568A on both ends?

If MDIX is enabled on the new switch

An employee working in a warehouse facility is experiencing interruptions in mobile applications while walking around the facility. According to a recent site survey, the WLAN comprises autonomous APs that are directly connected to the internet, providing adequate signal coverage. Which of the following is the BEST solution to improve network stability?

Implement client roaming using an extended service deployment employing a wireless controller.

The lack of a formal process to grant network permissions to different profiles of employees and contractors is leading to an increasing number of security incidents. Non-uniform and overly permissive network accesses are being granted. Which of the following would be the MOST appropriate method to improve the security of the environment?

Implement role-based access control

A network engineer developed a plan of action to resolve an ongoing issue. Which of the following steps should the engineer take NEXT?

Implement the solution to resolve the problem.

Logs show an unauthorized IP address entering a secure part of the network every night at 8:00 p.m. The network administrator is concerned that this IP address will cause an issue to a critical server and would like to deny the IP address at the edge of the network. Which of the following solutions would address these concerns?

Implementing an ACL

A client who shares office space and an IT closet with another company recently reported connectivity issues throughout the network. Multiple third-party vendors regularly perform on-site maintenance in the shared IT closet. Which of the following security techniques would BEST secure the physical networking equipment?

Implementing role-based access

A network technician is configuring a new firewall for a company with the necessary access requirements to be allowed through the firewall. Which of the following would normally be applied as the LAST rule in the firewall?

Implicit deny

A network technician recently installed 35 additional workstations. After installation, some users are unable to access network resources. Many of the original workstations that are experiencing the network access issue were offline when the new workstations were turned on. Which of the following is the MOST likely cause of this issue?

Improper NIC setting

A new student is given credentials to log on to the campus Wi-Fi. The student stores the password in a laptop and is able to connect: however, the student is not able to connect with a phone when only a short distance from the laptop. Given the following information:Which of the following is MOST likely causing this connection failure?

Incorrect passphrase

While setting up a new workstation, a technician discovers that the network connection is only 100 full duplex (FD), although it is connected to a gigabit switch.While reviewing the interface information in the switch CLI, the technician notes the port is operating at 100FD but shows many RX and TX errors. The technician moves the computer to another switchport and experiences the same issues.Which of the following is MOST likely the cause of the low data rate and port errors?

Incorrect pin-out

A user in a branch office reports that access to all files has been lost after receiving a new PC. All other users in the branch can access fileshares. The IT engineer who is troubleshooting this incident is able to ping the workstation from the branch router, but the machine cannot, ping the router. Which of the following is MOST likely the cause of the incident?

Incorrect subnet mask

A network engineer is investigating reports of poor network performance. Upon reviewing a device configuration, the engineer finds that duplex settings are mismatched on both ends. Which of the following would be the MOST likely result of this finding?

Increased CRC errors

An administrator needs to connect two laptops directly to each other using 802. 11ac but does not have an AP available. Which of the following describes this configuration?

Independent basic service set

Several users with older devices are reporting intermittent connectivity while in an outdoor patio area. After some research, the network administrator determines that an outdoor WAP might help with the issue. However, the company does not want the signal to bleed into the building and cause interference. Which of the following should the network administrator perform to BEST resolve the issue?

Install a directional WAP in the direction of the patio.

A security engineer is installing a new IDS on the network. The engineer has asked a network administrator to ensure all traffic entering and leaving the router interface is available for the IDS. Which of the following should the network administrator do?

Install a network tap for the IDS.

A network administrator is installing a new server in the datacenter. The administrator is concerned the amount of traffic generated will exceed 1GB, and higher- throughput NICs are not available for installation. Which of the following is the BEST solution for this issue?

Install an additional NIC and configure LACP

A technician notices that equipment is being moved around and misplaced in the server room, even though the room has locked doors and cabinets. Which of the following would be the BEST solution to identify who is responsible?

Install cameras

A technician discovered that some information on the local database server was changed during a file transfer to a remote server. Which of the following should concern the technician the MOST?

Integrity

A small office has a wireless network with several access points that are used by mobile devices. Users occasionally report that the wireless connection drops or becomes very slow. Reports confirm that this only happens when the devices are connected to the office wireless network. Which of the following is MOST likely the cause?

Interference from other devices

A medical building offers patients Wi-Fi in the waiting room. Which of the following security features would be the BEST solution to provide secure connections and keep the medical data protected?

Isolating the guest network

Several end users viewing a training video report seeing pixelated images while watching. A network administrator reviews the core switch and is unable to find an immediate cause. Which of the following BEST explains what is occurring?

Jitter

A voice engineer is troubleshooting a phone issue. When a call is placed, the caller hears echoes of the receiver's voice. Which of the following are the causes of this issue? (Choose two.)

Jitter & QoS misconfiguration

A GRE tunnel has been configured between two remote sites. Which of the following features, when configured, ensures the GRE overhead does not affect payload?

Jumbo frames

A network administrator needs to implement an HDMI over IP solution. Which of the following will the network administrator MOST likely use to ensure smooth video delivery?

Jumbo frames

A network administrator wants to reduce overhead and increase efficiency on a SAN. Which of the following can be configured to achieve these goals?

Jumbo frames

A network engineer needs to reduce the overhead of file transfers. Which of the following configuration changes would accomplish that goal?

Jumbo frames

A network technician is selecting a replacement for a damaged fiber cable that goes directly to an SFP transceiver on a network switch. Which of the following cable connectors should be used?

LC

A large metropolitan city is looking to standardize the ability for police department laptops to connect to the city government's VPN. The city would like a wireless solution that provides the largest coverage across the city with a minimal number of transmission towers. Latency and overall bandwidth needs are not high priorities. Which of the following would BEST meet the city's needs?

LTE

A network engineer is monitoring a fiber uplink to a remote office and notes the uplink has been operating at 100% capacity for a long duration. Which of the following performance metrics is MOST likely to be impacted with sustained link saturation?

Latency

At which of the following layers of the OSI model will the administrator MOST likely start to troubleshoot when a network is experiencing a number of CRC errors?

Layer 1

A network is experiencing a number of CRC errors during normal network communication. At which of the following layers of the OSI model will the administratorMOST likely start to troubleshoot?

Layer 2

At which of the following OSI model layers would a technician find an IP header?

Layer 3

Which of the following can have multiple VLAN interfaces?

Layer 3 switch

Which of the following network devices can perform routing between VLANs?

Layer 3 switch

Which of the following devices have the capability to allow communication between two different subnetworks? (Choose two.)

Layer 3 switch & Router

Which of the following layers of the OSI model receives data from the application layer and converts it into syntax that is readable by other devices on the network?

Layer 6

At which of the following OSI model layers does an IMAP client run?

Layer 7

A systems operator is granted access to a monitoring application, configuration application, and timekeeping application. The operator is denied access to the financial and project management applications by the system's security configuration. Which of the following BEST describes the security principle in use?

Least privilege

An administrator would like to have two servers at different geographical locations provide fault tolerance and high performance while appearing as one URL to users. Which of the following should the administrator implement?

Load balancing

During a risk assessment, which of the following should be considered when planning to mitigate high CPU utilization of a firewall?

Load balancing

A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?

MAC table

A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?

MDIX

A technician is deploying a new switch model and would like to add it to the existing network monitoring software. The technician wants to know what metrics can be gathered from a given switch. Which of the following should the technician utilize for the switch?

MIB

Which of the following will reduce routing table lookups by performing packet forwarding decisions independently of the network layer header?

MPLS

A Fortune 500 firm is deciding on the kind of data center equipment to install given its five-year budget outlook. The Chief Information Officer is comparing equipment based on the life expectancy of different models. Which of the following concepts BEST represents this metric?

MTBF

Which of the following compromises Internet-connected devices and makes them vulnerable to becoming part of a botnet? (Choose two.)

Malware infection & Use of default credentials

An administrator is attempting to add a new system to monitoring but is unsuccessful. The administrator notices the system is similar to another one on the network; however, the new one has an updated OS version. Which of the following should the administrator consider updating?

Management information bases

Which of the following topologies requires the MOST connections when designing a network?

Mesh

After a firewall replacement, some alarms and metrics related to network availability stopped updating on a monitoring system relying on SNMP. Which of the following should the network administrator do FIRST?

Modify the device's MIB on the monitoring system. Mo

A network technician at a university is assisting with the planning of a simultaneous software deployment to multiple computers in one classroom in a building.Which of the following would be BEST to use?

Multicast

A network resource was accessed by an outsider as a result of a successful phishing campaign. Which of the following strategies should be employed to mitigate the effects of phishing?

Multifactor authentication

An administrator wants to increase the availability of a server that is connected to the office network. Which of the following allows for multiple NICs to share a single IP address and offers maximum performance while providing fault tolerance in the event of a NIC failure?

Multipathing

A technician is contracted to install a redundant cluster of devices from the ISP in case of hardware failure within the network. Which of the following would provide BEST redundant solution in Layer 2 devices?

Multiple switches

Which of the following BEST describes hosting several businesses on the same physical infrastructure?

Multitenancy

A network administrator is talking to different vendors about acquiring technology to support a new project for a large company. Which of the following documents will MOST likely need to be signed before information about the project is shared?

NDA

A network engineer performs the following tasks to increase server bandwidth:✑ Connects two network cables from the server to a switch stack✑ Configure LACP on the switchportsVerifies the correct configurations on the switch interfacesWhich of the following needs to be configured on the server?

NIC teaming

Which of the following can be used to decrease latency during periods of high utilization of a firewall?

NIC teaming

Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?

NIC teaming

Which of the following must be functioning properly in order for a network administrator to create an accurate timeline during a troubleshooting process?

NTP

An administrator is writing a script to periodically log the IPv6 and MAC addresses of all the devices on a network segment. Which of the following switch features will MOST likely be used to assist with this task?

Neighbor Discovery Protocol

An administrator is investigating reports of network slowness in a building. While looking at the uplink interface statistics in the switch's CLI, the administrator discovers the uplink is at 100% utilization. However, the administrator is unsure how to identify what traffic is causing the saturation. Which of the following tools should the administrator utilize to identify the source and destination addresses of the traffic?

NetFlow

A user from a remote office is reporting slow file transfers. Which of the following tools will an engineer MOST likely use to get detailed measurement data?

NetFlow analyzer

At which of the following OSI model layers does routing occur?

Network

Which of the following OSI model layers contains IP headers?

Network

A technician is setting up a new router, configuring ports, and allowing access to the Internet. However, none of the users connected to this new router are able to connect to the Internet. Which of the following does the technician need to configure?

Network address translation

Which of the following types of devices can provide content filtering and threat protection, and manage multiple IPSec site-to-site connections?

Next-generation firewall

A technician is checking network devices to look for opportunities to improve security. Which of the following tools would BEST accomplish this task?

Nmap

Which of the following options represents the participating computers in a network?

Nodes

Which of the following describes traffic going in and out of a data center from the internet?

North-South

Which of the following protocols is widely used in large-scale enterprise networks to support complex networks with multiple routers and balance traffic load on multiple links?

OSPF

Which of the following uses the link-state routing algorithm and operates within a single autonomous system?

OSPF

A fiber link connecting two campus networks is broken. Which of the following tools should an engineer use to detect the exact break point of the fiber link?

OTDR

A technician wants to install a WAP in the center of a room that provides service in a radius surrounding a radio. Which of the following antenna types should theAP utilize?

Omni

A company needs a redundant link to provide a channel to the management network in an incident response scenario. Which of the following remote access methods provides the BEST solution?

Out-of-band access

A technician is equipped with a tablet, a smartphone, and a laptop to troubleshoot a switch with the help of support over the phone. However, the technician is having issues interconnecting all these tools in troubleshooting the switch. Which of the following should the technician use to gain connectivity?

PAN

A network technician needs to ensure the company's external mail server can pass reverse lookup checks. Which of the following records would the technician MOST likely configure?

PTR

Which of the following needs to be tested to achieve a Cat 6a certification for a company's data cabling?

Patch panel

Which of the following describes when an active exploit is used to gain access to a network?

Penetration testing

A Wi-Fi network was recently deployed in a new, multilevel building. Several issues are now being reported related to latency and drops in coverage. Which of the following is the FIRST step to troubleshoot the issues?

Perform a site survey

All packets arriving at an interface need to be fully analyzed. Which of the following features should be used to enable monitoring of the packets?

Port mirroring

To comply with an industry regulation, all communication destined to a secure server should be logged and archived on a storage device. Which of the following can be configured to fulfill this requirement?

Port mirroring

A computer engineer needs to ensure that only a specific workstation can connect to port 1 on a switch. Which of the following features should the engineer configure on the switch interface?

Port security

A technician is configuring a network switch to be used in a publicly accessible location. Which of the following should the technician configure on the switch to prevent unintended connections?

Port security

A technician removes an old PC from the network and replaces it with a new PC that is unable to connect to the LAN. Which of the following is MOST likely the cause of the issue?

Port security

A network engineer is investigating issues on a Layer 2 switch. The department typically shares a switchport during meetings for presentations, but after the first user shares, no other users can connect. Which of the following is MOST likely related to this issue?

Port security is configured on the switch.

A network requirement calls for segmenting departments into different networks. The campus network is set up with users of each department in multiple buildings. Which of the following should be configured to keep the design simple and efficient?

Port tagging

A false camera is installed outside a building to assist with physical security. Which of the following is the device assisting?

Prevention

An engineer needs to restrict the database servers that are in the same subnet from communicating with each other. The database servers will still need to communicate with the application servers in a different subnet. In some cases, the database servers will be clustered, and the servers will need to communicate with other cluster members. Which of the following technologies will be BEST to use to implement this filtering without creating rules?

Private VLANs

A Chief Executive Officer and a network administrator came to an agreement with a vendor to purchase new equipment for the data center. A document was drafted so all parties would be informed about the scope of the project before it started. Which of the following terms BEST describes the document used?

Project charter

Users within a corporate network need to connect to the internet, but corporate network policy does not allow direct connections. Which of the following is MOST likely to be used?

Proxy server

Which of the following transceiver types can support up to 40Gbps?

QSFP+

A user is having difficulty with video conferencing and is looking for assistance. Which of the following would BEST improve performance?

Quality of service

Branch users are experiencing issues with videoconferencing. Which of the following will the company MOST likely configure to improve performance for these applications?

Quality of service

A network technician is installing new software on a Windows-based server in a different geographical location. Which of the following would be BEST for the technician to use to perform this task?

RDP

A business is using the local cable company to provide Internet access. Which of the following types of cabling will the cable company MOST likely use from the demarcation point back to the central office?

RG-6

A network administrator determines that even when optimal wireless coverage is configured, the network users still report constant disconnections. After troubleshooting, the administrator determines that moving from one location to another causes the disconnection. Which of the following settings should provide better network stability?

RSSI roaming threshold

A network client is trying to connect to the wrong TCP port. Which of the following responses would the client MOST likely receive?

RST

An organization is interested in purchasing a backup solution that supports the organization's goals. Which of the following concepts would specify the maximum duration that a given service can be down before impacting operations?

RTO

Which of the following attacks encrypts user data and requires a proper backup implementation to recover?

Ransomware

Due to a surge in business, a company is onboarding an unusually high number of salespeople. The salespeople are assigned desktops that are wired to the network. The last few salespeople to be onboarded are able to access corporate materials on the network but not sales-specific resources. Which of the following is MOST likely the cause?

Recently added users were assigned to the wrong VLAN

A network administrator is troubleshooting the communication between two Layer 2 switches that are reporting a very high runt count. After trying multiple ports on both switches, the issue persists. Which of the following should the network administrator perform to resolve the issue?

Recertify the cable between both switches

The management team has instituted a 48-hour RTO as part of the disaster recovery plan. Which of the following procedures would meet the policy's requirements?

Recover all systems within 48 hours. M

Client devices cannot enter a network, and the network administrator determines the DHCP scope is exhausted. The administrator wants to avoid creating a newDHCP pool. Which of the following can the administrator perform to resolve the issue?

Reduce the lease time

A network administrator discovers that users in an adjacent building are connecting to the company's guest wireless network to download inappropriate material.Which of the following can the administrator do to MOST easily mitigate this issue?

Reduce the wireless power levels

An international company is transferring its IT assets, including a number of WAPs, from the United States to an office in Europe for deployment. Which of the following considerations should the company research before implementing the wireless hardware?

Regulatory impacts

Which of the following would be used to forward requests and replies between a DHCP server and client?

Relay

An administrator would like to allow Windows clients from outside the office to access workstations without using third-party software. Which of the following access methods would meet this requirement?

Remote desktop gateway

A network technician is troubleshooting an area where the wireless connection to devices is poor. The technician theorizes that the signal-to-noise ratio in the area is causing the issue. Which of the following should the technician do NEXT?

Remove any electronics that might be causing interference.

A network technician receives a report from the server team that a server's network connection is not working correctly. The server team confirms the server is operating correctly except for the network connection. The technician checks the switchport connected to the server and reviews the following data:Which of the following should the network technician perform to correct the issue?

Replace the Cat 5 patch cable with a Cat 6 cable

A technician is connecting DSL for a new customer. After installing and connecting the on-premises equipment, the technician verifies DSL synchronization. When connecting to a workstation, however, the link LEDs on the workstation and modem do not light up. Which of the following should the technician perform during troubleshooting?

Replace the cable connecting the modem and the workstation.

A PC user who is on a local network reports very slow speeds when accessing files on the network server. The user's PC is connecting, but file downloads are very slow when compared to other users' download speeds. The PC's NIC should be capable of Gigabit Ethernet. Which of the following will MOST likely fix the issue?

Replacing the patch cable

Which of the following factors should be considered when evaluating a firewall to protect a datacenter's east-west traffic?

Replication traffic between an on-premises server and a remote backup facility

Which of the following would need to be configured to ensure a device with a specific MAC address is always assigned the same IP address from DHCP?

Reservation

Which of the following would be BEST to use to detect a MAC spoofing attack?

Reverse Address Resolution Protocol

A network security engineer locates an unapproved wireless bridge connected to the corporate LAN that is broadcasting a hidden SSID, providing unauthenticated access to internal resources. Which of the following types of attacks BEST describes this finding?

Rogue access point

An IT technician successfully connects to the corporate wireless network at a bank. While performing some tests, the technician observes that the physical address of the DHCP server has changed even though the network connection has not been lost. Which of the following would BEST explain this change?

Rogue server

A network administrator is required to ensure that auditors have read-only access to the system logs, while systems administrators have read and write access to the system logs, and operators have no access to the system logs. The network administrator has configured security groups for each of these functional categories. Which of the following security capabilities will allow the network administrator to maintain these permissions with the LEAST administrative effort?

Role-based access

Which of the following describes the BEST device to configure as a DHCP relay?

Router

Which of the following is the primary function of the core layer of the three-tiered model?

Routing

An administrator is setting up a multicast server on a network, but the firewall seems to be dropping the traffic. After logging in to the device, the administrator sees the following entries:Which of the following firewall rules is MOST likely causing the issue?

Rule 2

A help desk technician is concerned that a client's network cable issues may be causing intermittent connectivity. Which of the following would help the technician determine if this is the issue?

Run the show interface command on the switch.

A company needs to virtualize a replica of its internal physical network without changing the logical topology and the way that devices behave and are managed. Which of the following technologies meets this requirement?

SDWAN

Which of the following topologies is designed to fully support applications hosted in on-premises data centers, public or private clouds, and SaaS services?

SDWAN

Which of the following connector types would have the MOST flexibility?

SFP

A network technician needs to ensure that all files on a company's network can be moved in a safe and protected manner without interception from someone who is not the intended recipient. Which of the following would allow the network technician to meet these requirements?

SFTP

SIMULATION

SIMULATION

A network technician is responding to an issue with a local company. To which of the following documents should the network technician refer to determine the scope of the issue?

SLA

Which of the following documents would be used to define uptime commitments from a provider, along with details on measurement and enforcement?

SLA

Users in a branch can access an in-house database server, but it is taking too long to fetch records. The analyst does not know whether the issue is being caused by network latency. Which of the following will the analyst MOST likely use to retrieve the metrics that are needed to resolve this issue?

SNMP

After HVAC failures caused network outages, the support team decides to monitor the temperatures of all the devices. The network administrator cannot find a command that will display this information. Which of the following will retrieve the necessary information?

SNMP OID values

Which of the following records can be used to track the number of changes on a DNS zone?

SOA

Which of the following record types would be used to define where SIP is found?

SRV

Which of the following protocols would allow a secure connection to a Linux-based system?

SSH

Which of the following protocols can be used to change device configurations via encrypted and authenticated sessions? (Choose two.)

SSH & SNMPv3

A store owner would like to have secure wireless access available for both business equipment and patron use. Which of the following features should be configured to allow different wireless access through the same equipment?

SSID

A network technician is implementing a solution that will allow end users to gain access to multiple applications after logging on. Which of the following authentication methods would allow this type of access?

SSO

An engineer is configuring redundant network links between switches. Which of the following should the engineer enable to prevent network stability issues?

STP

A customer reports there is no access to resources following the replacement of switches. A technician goes to the site to examine the configuration and discovers redundant links between two switches. Which of the following is the reason the network is not functional?

STP is not configured

A company is reviewing ways to cut the overall cost of its IT budget. A network technician suggests removing various computer programs from the IT budget and only providing these programs on an as-needed basis. Which of the following models would meet this requirement?

SaaS

An ISP is unable to provide services to a user in a remote area through cable and DSL. Which of the following is the NEXT best solution to provide services without adding external infrastructure?

Satellite

Which of the following is most likely to have the HIGHEST latency while being the most accessible?

Satellite

A network administrator is setting up a new phone system and needs to define the location where VoIP phones can download configuration files. Which of the following DHCP services can be used to accomplish this task?

Scope options

A technician is consolidating a topology with multiple SSIDs into one unique SSID deployment. Which of the following features will be possible after this new configuration?

Seamless roaming

A customer wants to log in to a vendor's server using a web browser on a laptop. Which of the following would require the LEAST configuration to allow encrypted access to the server?

Secure Sockets Layer

Which of the following is the MOST appropriate use case for the deployment of a clientless VPN?

Secure web access to internal corporate resources.

A company is considering shifting its business to the cloud. The management team is concerned about the availability of the third-party cloud service. Which of the following should the management team consult to determine the promised availability of the cloud provider?

Service-level agreement

Two users on a LAN establish a video call. Which of the following OSI model layers ensures the initiation, coordination, and termination of the call?

Session

Which of the following OSI model layers is where conversations between applications are established, coordinated, and terminated?

Session

A network administrator views a network pcap and sees a packet containing the following:Which of the following are the BEST ways for the administrator to secure this type of traffic? (Choose two.)

Set a private community string & Use SNMPv3

A network administrator is testing performance improvements by configuring channel bonding on an 802.11ac AP. Although a site survey detected the majority of the 5GHz frequency spectrum was idle, being used only by the company's WLAN and a nearby government radio system, the AP is not allowing the administrator to manually configure a large portion of the 5GHz frequency range. Which of the following would be BEST to configure for the WLAN being tested?

Set up the AP to perform a dynamic selection of the frequency according to regulatory requirements

A network administrator is troubleshooting an issue with a new Internet connection. The ISP is asking detailed questions about the configuration of the router that the network administrator is troubleshooting. Which of the following commands is the network administrator using? (Choose two.)

Show config & Show route

A technician is trying to determine whether an LACP bundle is fully operational. Which of the following commands will the technician MOST likely use?

Show interface

A new global ISP needs to connect from central offices in North America to the United Kingdom. Which of the following would be the BEST cabling solution for this project?

Single-mode

Users are reporting intermittent WiFi connectivity in specific parts of a building. Which of the following should the network administrator check FIRST when troubleshooting this issue? (Choose two.)

Site survey & AP placement

A network is secured and is only accessible via TLS and IPSec VPNs. Which of the following would need to be present to allow a user to access network resources on a laptop without logging in to the VPN application?

Site-to-site

A corporation is looking for a method to secure all traffic between a branch office and its data center in order to provide a zero-touch experience for all staff members who work there. Which of the following would BEST meet this requirement?

Site-to-site VPN

A network administrator is designing a new datacenter in a different region that will need to communicate to the old datacenter with a secure connection. Which of the following access methods would provide the BEST security for this new datacenter?

Site-to-site VPN

Two remote offices need to be connected securely over an untrustworthy MAN. Each office needs to access network shares at the other site. Which of the following will BEST provide this functionality?

Site-to-site VPN

Which of the following types of connections would need to be set up to provide access from the internal network to an external network so multiple satellite offices can communicate securely using various ports and protocols?

Site-to-site VPN

An administrator would like to create a fault-tolerant ring between three switches within a Layer 2 network. Which of the following Ethernet features should the administrator employ?

Spanning Tree Protocol

A technician receives feedback that some users are experiencing high amounts of jitter while using the wireless network. While troubleshooting the network, the technician uses the ping command with the IP address of the default gateway and verifies large variations in latency. The technician thinks the issue may be interference from other networks and non-802.11 devices. Which of the following tools should the technician use to troubleshoot the issue?

Spectrum analyzer

A network technician receives a report about a performance issue on a client PC that is connected to port 1/3 on a network switch. The technician observes the following configuration output from the switch:Which of the following is a cause of the issue on port 1/3?

Speed

Which of the following architectures reduces network latency by enforcing a limit on the number of switching devices on the frame's path between any internal hosts?

Spine and leaf

Which of the following types of datacenter architectures will MOST likely be used in a large SDN and can be extended beyond the datacenter?

Spine and leaf

Several employees have expressed concerns about the company monitoring their internet activity when they are working from home. The company wants to mitigate this issue and reassure employees that their private internet activity is not being monitored. Which of the following would satisfy company and employee needs?

Split tunnel

Which of the following VPN configurations should be used to separate Internet and corporate traffic?

Split-tunnel

Which of the following is a benefit of the spine-and-leaf network topology?

Stable network latency

Which of the following is the physical topology for an Ethernet LAN?

Star

A network administrator needs to configure a server to use the most accurate NTP reference available. Which of the following NTP devices should the administrator select?

Stratum 1

An organization set up its offices so that a desktop is connected to the network through a VoIP phone. The VoIP vendor requested that voice traffic be segmented separately from non-voice traffic. Which of the following would allow the organization to configure multiple devices with network isolation on a single switch port?

Subinterfaces

A network administrator is investigating a network event that is causing all communication to stop. The network administrator is unable to use SSH to connect to the switch but is able to gain access using the serial console port. While monitoring port statistics, the administrator sees the following:Which of the following is MOST likely causing the network outage?

Switch loop

Which of the following protocols will a security appliance that is correlating network events from multiple devices MOST likely rely on to receive event messages?

Syslog

A network attack caused a network outage by wiping the configuration and logs of the border firewall. Which of the following sources, in an investigation to determine how the firewall was compromised, can provide the MOST detailed data?

Syslog server messages

Which of the following can be used to centrally manage credentials for various types of administrative privileges on configured network devices?

TACACS+

Which of the following connectors and terminations are required to make a Cat 6 cable that connects from a PC to a non-capable MDIX switch? (Choose two.)

TIA-568-B - TIA-568-B & RJ45

An ISP is providing internet to a retail store and has terminated its point of connection using a standard Cat 6 pin-out. Which of the following terminations should the technician use when running a cable from the ISP's port to the front desk?

TIA/EIA-568-B

After the A record of a public website was updated, some visitors were unable to access the website. Which of the following should be adjusted to address the issue?

TTL

A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:✑ Device✑ LC/LC patch cable✑ Patch panel✑ Cross-connect fiber cable✑ Patch panel✑ LC/LC patch cable✑ SwitchThe connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?

TX/RX is reversed

A security vendor needs to add a note to the DNS to validate the ownership of a company domain before services begin. Which of the following records did the security company MOST likely ask the company to configure?

TXT

Which of the following can be used to validate domain ownership by verifying the presence of pre-agreed content contained in a DNS record?

TXT

A network administrator walks into a datacenter and notices an unknown person is following closely. The administrator stops and directs the person to the security desk. Which of the following attacks did the network administrator prevent?

Tailgating

Which of the following would be the MOST likely attack used to bypass an access control vestibule?

Tailgating

While walking from the parking lot to an access-controlled door, an employee sees an authorized user open the door. Then the employee notices that another person catches the door before it closes and goes inside. Which of the following attacks is taking place?

Tailgating

Which of the following security controls indicates unauthorized hardware modifications?

Tamper-evident seals

During a client audit, a network analyst is tasked with recommending changes to upgrade the client network and readiness. A field technician has submitted the following report:Based on this report, which of the following metrics or sensors would be the BEST recommendation to the client?

Temperature

According to troubleshooting methodology, which of the following should the technician do NEXT after determining the most likely probable cause of an issue?

Test the theory to determine the cause

An engineer notices some late collisions on a half-duplex link. The engineer verifies that the devices on both ends of the connection are configured for half duplex.Which of the following is the MOST likely cause of this issue?

The cable length is excessive

A network administrator is getting reports of some internal users who cannot connect to network resources. The users state they were able to connect last week, but not today. No changes have been configured on the network devices or server during the last few weeks. Which of the following is the MOST likely cause of the issue?

The client DHCP scope is fully utilized.

Which of the following BEST describes a split-tunnel client-to-server VPN connection?

The client sends some network traffic down the VPN tunnel and other traffic to the local gateway

A network administrator is reviewing the following metrics from a network management system regarding a switchport. The administrator suspects an issue because users are calling in regards to the switch port's performance:

The connected device is exceeding the configured MTU.

A network technician is troubleshooting a network issue for employees who have reported issues with speed when accessing a server in another subnet. The server is in another building that is 410ft (125m) away from the employees' building. The 10GBASE-T connection between the two buildings uses Cat 5e. Which of the following BEST explains the speed issue?

The connection should be made using a Cat 6 cable.

A security engineer is trying to determine whether an internal server was accessed by hosts on the internet. The internal server was shut down during the investigation. Which of the following will the engineer review to determine whether the internal server had an unauthorized access attempt?

The firewall logs

A technician is troubleshooting a connectivity issue with an end user. The end user can access local network shares and intranet pages but is unable to access the internet or remote resources. Which of the following needs to be reconfigured?

The gateway address

A branch of a company recently switched to a new ISP. The network engineer was given a new IP range to assign. The ISP assigned 196.26.4.0/26, and the branch gateway router now has the following configurations on the interface that peers to the ISP:The network engineer observes that all users have lost Internet connectivity. Which of the following describes the issue?

The incorrect subnet mask was configured

A network device is configured to send critical events to a syslog server; however, the following alerts are not being received:Severity 5 LINK-UPDOWN: Interface 1/1, changed state to downSeverity 5 LINK-UPDOWN: Interface 1/3, changed state to downWhich of the following describes the reason why the events are not being received?

The network device is not configured to log that level to the syslog server

A network engineer receives the following when connecting to a switch to configure a port: telnet 10.1.200.1Connecting to 10.1.200.1..Could not open connection to the host, on port 23: Connect failed.Which of the following is the MOST likely cause for the failure?

The network engineer is using the wrong protocol

A network administrator decided to use SLAAC in an extensive IPv6 deployment to alleviate IP address management. The devices were properly connected into the LAN but autoconfiguration of the IP address did not occur as expected. Which of the following should the network administrator verify?

The network gateway is configured to send router advertisements. Most Voted

A network technician is investigating an issue with handheld devices in a warehouse. Devices have not been connecting to the nearest APs, but they have been connecting to an AP on the far side of the warehouse. Which of the following is the MOST likely cause of this issue?

The power level is too high for the AP on the far side.

Two network technicians are installing a fiber-optic link between routers. The technicians used a light meter to verify the correct fibers. However, when they connect the fibers to the router interface, the link does not connect. Which of the following would explain the issue? (Choose two.)

They used the wrong type of fiber transceiver & Incorrect TX/RX polarity exists on the link

Which of the following issues are present with RIPv2? (Choose two.)

Time to converge & Scalability

A packet is assigned a value to ensure it does not traverse a network indefinitely. Which of the following BEST represents this value? A. Zero Trust

Time to live

Which of the following would be used to expedite MX record updates to authoritative NSs?

Time to live

Which of the following bandwidth management techniques uses butters at the client side to prevent TCP retransmissions from occurring when the ISP starts to drop packets of specific types that exceed the agreed traffic rate?

Traffic shaping

Which of the following is MOST appropriate for enforcing bandwidth limits when the performance of an application is not affected by the use of buffering but is heavily impacted by packet drops?

Traffic shaping

At the destination host, which of the following OSI model layers will discard a segment with a bad checksum in the UDP header?

Transport

Which of the following OSI model layers is where a technician would view UDP information?

Transport

After a critical power issue, the network team was not receiving UPS status notifications. The network team would like to be alerted on these status changes.

Traps

During the troubleshooting of an E1 line, the point-to-point link on the core router was accidentally unplugged and left unconnected for several hours. However, the network management team was not notified. Which of the following could have been configured to allow early detection and possible resolution of the issue?

Traps

Which of the following is the MOST cost-effective alternative that provides proper cabling and supports gigabit Ethernet devices?

Twisted cable with a minimum Cat 5e certification

During an annual review of policy documents, a company decided to adjust its recovery time frames. The company agreed that critical applications can be down for no more than six hours, and the acceptable amount of data loss is no more than two hours. Which of the following should be documented as the RPO?

Two hours

The network administrator is informed that a user's email password is frequently hacked by brute-force programs. Which of the following policies should the network administrator implements to BEST mitigate this issue? (Choose two.)

Two-factor authentication & Complex passwords

A network engineer configured new firewalls with the correct configuration to be deployed to each remote branch. Unneeded services were disabled, and all firewall rules were applied successfully. Which of the following should the network engineer perform NEXT to ensure all the firewalls are hardened successfully?

Update the firewalls with current firmware and software

An engineer is gathering data to determine the effectiveness of UPSs in use at remote retail locations. Which of the following statistics can the engineer use to determine the availability of the remote network equipment?

Uptime

A company has multiple offices around the world. The computer rooms in some office locations are too warm. Dedicated sensors are in each room, but the process of checking each sensor takes a long time. Which of the following options can the company put in place to automate temperature readings with internal resources?

Use SNMP with an existing collector server

Which of the following is a valid and cost-effective solution to connect a fiber cable into a network switch without available SFP ports?

Use a media converter and a UTP cable

To comply with industry requirements, a security assessment on the cloud server should identify which protocols and weaknesses are being exposed to attackers on the Internet. Which of the following tools is the MOST appropriate to complete the assessment?

Use nmap and set the servers' public IPs as the targets.

Network connectivity in an extensive forest reserve was achieved using fiber optics. A network fault was detected, and now the repair team needs to check the integrity of the fiber cable. Which of the following actions can reduce repair time?

Using an OTDR in one end of the optic cable to get the fiber length information

A help desk engineer needs to configure two servers to have the same public IP addresses. Which of the following technologies should the engineer use?

VIP

A network administrator is configuring a load balancer for two systems. Which of the following must the administrator configure to ensure connectivity during a failover?

VIP

A technician wants to monitor and provide traffic segmentation across the network. The technician would like to assign each department a specific identifier. Which of the following will the technician MOST likely use?

VLAN tagging

A user reports that a new VoIP phone works properly, but the computer that is connected to the phone cannot access any network resources. Which of the following MOST likely needs to be configured correctly to provide network connectivity to the computer?

VLAN tags

Which of the following would be the BEST choice to connect branch sites to a main office securely?

VPN headend

A network administrator is trying to add network redundancy for the server farm. Which of the following can the network administrator configure to BEST provide this capability?

VRRP

A network administrator redesigned the positioning of the APs to create adjacent areas of wireless coverage. After project validation, some users still report poor connectivity when their devices maintain an association to a distanced AP. Which of the following should the network administrator check FIRST?

Validate the roaming settings on the APs and WLAN clients

A technician is assisting a user who cannot access network resources when the workstation is connected to a VoIP phone. The technician identifies the phone as faulty and replaces it. According to troubleshooting methodology, which of the following should the technician do NEXT?

Verify functionality.

Wireless users are reporting intermittent internet connectivity. Connectivity is restored when the users disconnect and reconnect, utilizing the web authentication process each time. The network administrator can see the devices connected to the APs at all times. Which of the following steps will MOST likely determine the cause of the issue?

Verify the session time-out configuration on the captive portal settings

A network technician is having issues connecting an IoT sensor to the internet. The WLAN settings were entered via a custom command line, and a proper IP address assignment was received on the wireless interface. However, when trying to connect to the internet, only HTTP redirections are being received when data is requested. Which of the following will point to the root cause of the issue?

Verifying if a captive portal is active for the WLAN.

A network administrator is looking at switch features and is unsure whether to purchase a model with PoE. Which of the following devices that commonly utilize PoE should the administrator consider? (Choose two.)

VoIP phones & Cameras

Which of the following is conducted frequently to maintain an updated list of a system's weaknesses?

Vulnerability scan

A technician is deploying a new SSID for an industrial control system. The control devices require the network to use encryption that employs TKIP and a symmetrical password to connect. Which of the following should the technician configure to ensure compatibility with the control devices?

WPA-PSK

A network technician was hired to harden the security of a network. The technician is required to enable encryption and create a password for AP security through the web browser. Which of the following would BEST support these requirements?

WPA2

A company wants to set up a backup data center that can become active during a disaster. The site needs to contain network equipment and connectivity. Which of the following strategies should the company employ?

Warm

A company requires a disaster recovery site to have equipment ready to go in the event of a disaster at its main datacenter. The company does not have the budget to mirror all the live data to the disaster recovery site. Which of the following concepts should the company select?

Warm site

A rogue AP was found plugged in and providing Internet access to employees in the break room. Which of the following would be BEST to use to stop this from happening without physically removing the WAP?

Wireless client isolation

A technician is implementing a new wireless network to serve guests at a local office. The network needs to provide Internet access but disallow associated stations from communicating with each other. Which of the following would BEST accomplish this requirement?

Wireless client isolation

Which of the following devices is used to configure and centrally manage access points installed at different locations?

Wireless controller

When accessing corporate network resources, users are required to authenticate to each application they try to access. Which of the following concepts does thisBEST represent?

Zero Trust

A technician is assisting a user who cannot connect to a website. The technician attempts to ping the default gateway and DNS server of the workstation. According to troubleshooting methodology, this is an example of:

a bottom-up approach

ARP spoofing would normally be a part of:

an on-path attack.

A company's web server is hosted at a local ISP. This is an example of:

colocation.

Classification using labels according to information sensitivity and impact in case of unauthorized access or leakage is a mandatory component of:

data loss prevention

A network administrator needs to query the NSs for a remote application. Which of the following commands would BEST help the administrator accomplish this task?

dig

A network administrator wants to test the throughput of a new metro Ethernet circuit to verify that its performance matches the requirements specified in the SLA.Which of the following would BEST help measure the throughput?

iPerf

A company is deploying a SAN at headquarters and a branch office 1,000mi (1,609km) away that will access small amounts of data. Which of the following types of connections would be MOST cost effective to implement?

iSCSI

A company is designing a SAN and would like to use STP as its medium for communication. Which of the following protocols would BEST suit the company's needs?

iSCSI

A technician needs to configure a Linux computer for network monitoring. The technician has the following information:Linux computer details:Switch mirror port details:After connecting the Linux computer to the mirror port on the switch, which of the following commands should the technician run on the Linux computer?

ifconfig ecth0 promisc

Which of the following commands can be used to display the IP address, subnet address, gateway address, and DNS address on a Windows computer?

ipconfig /all

A technician is documenting an application that is installed on a server and needs to verify all existing web and database connections to the server. Which of the following tools should the technician use to accomplish this task?

netstat

Given the following information:Which of the following command-line tools would generate this output?

netstat

A network administrator is configuring a database server and would like to ensure the database engine is listening on a certain port. Which of the following commands should the administrator use to accomplish this goal?

netstat -a

A network administrator wants to check all network connections and see the output in integer form. Which of the following commands should the administrator run on the command line?

netstat -n

An IT administrator received an assignment with the following objectives:✑ Conduct a total scan within the company's network for all connected hosts.✑ Detect all the types of operating systems running on all devices.✑ Discover all services offered by hosts on the network.✑ Find open ports and detect security risks.Which of the following command-line tools can be used to achieve these objectives?

nmap

A technician is writing documentation regarding a company's server farm. The technician needs to confirm the server name for all Linux servers. Which of the following commands should the technician run?

nslookup

Within the realm of network security, Zero Trust:

prevents attackers from moving laterally through a system.

An engineer needs to verify the external record for SMTP traffic. The engineer logged in to the server and entered the nslookup command. Which of the following commands should the engineer send before entering the DNS name?

set querytype=MX

An IT technician suspects a break in one of the uplinks that provides connectivity to the core switch. Which of the following command-line tools should the technician use to determine where the incident is occurring?

show interface

A network administrator wants to control new router deployments via the use of application programming interfaces (APIs). This would be an example of:

software-defined networking

A user calls the help desk to report being unable to reach a file server. The technician logs in to the user's computer and verifies that pings fail to respond back when trying to reach the file server. Which of the following would BEST help the technician verify whether the file server is reachable?

traceroute

A network is experiencing extreme latency when accessing a particular website. Which of the following commands will BEST help identify the issue?

tracert

A technician is assisting a user who cannot connect to a network resource. The technician first checks for a link light. According to troubleshooting methodology, this is an example of:

using a bottom-to-top approach. Most Voted

Which of the following is used to provide networking capability for VMs at Layer 2 of the OSI model?

vSwitch