Network+ Study Guide

Which of the following wireless connection types utilize MIMO on non-overlapping channels? (Choose two.) A. 802.11a B. 802.11ac C. 802.11b D. 802.11g E. 802.11n

802.11ac and 802.11n

A contractor is setting up and configuring conference rooms for a convention. The contractor sets up each room in the conference center to allow wired Internet access going to individual tables. The contractor measured the distance between the hotel's patch panel to the jack, and the distance is within Cat 5e specifications. The contractor is concerned that the room will be out of specification if cables are run in each room from the wall jacks. Which of the following actions should the contractor take to ensure the cable runs meet specifications and the network functions properly? A. Place a switch at the hotel's patch panel for connecting each room's cables B. Place a switch on each table to ensure strong connectivity C. Place repeaters between the patch panel and the rooms D. place a switch at the wall jack and run the cables in the room from there

A

A network administrator has a monitoring system in place that is currently polling hundreds of network devices at regular intervals. The continuous polling is causing high CPU utilization on the server. Which of the following tasks should the administrator perform to resolve the CPU issue while maintaining full monitoring capabilities? A. Remove SNMP polling and configure SNMP traps on each network device B. Remove SNMP polling and implement snmpwalk on each network device C. Upgrade SNMP to the latest version to mitigate vulnerabilities D. Modify SNMP polling to poll only during business hours

A

A network administrator wants to increase the confidentiality of the system by hardening the authentication process. Currently, the users log in using usernames and passwords to access the system. Which of the following will increase the authentication factor to three? A. Adding a fingerprint reader to each workstation and providing a RSA authentication token B. Adding a fingerprint reader and retina scanner C. Using a smart card and RSA token D. Enforcing a stronger password policy and using a hand geometry scan

A

A network engineer is designing a new network for a remote site. The remote site consists of ten desktop computers, ten VoIP phones, and two network printers. In addition, two of the desktop computers at the remote site will be used by managers who should be on a separate network from the other eight computers. Which of the following represents the BEST configuration for the remote site? A. One router connected to one 24-port switch configured with three VLANS: one for the manager's computers and printer, one for the other computers and printer, and one for the VoIP phones B. Two routers with each router connected to a 12-port switch, with a firewall connected to the switch connected to the manager's desktop computers, VoIP phones, and printer C. One router connected to one 12-port switch configured for the manager's computers, phones, and printer, and one 12-port switch configured for the other computers, VoIP phones, and printer D. One router connected to one 24-port switch configured with two VLANS: one for the manager's computers, VoIP phones, and printer, and one for the other computers, VoIP phones, and printer

A

A systems administrator has recently purchased and installed a large electronic signage screen for the company's parking garage. The screen's management software was installed on a server with public IP address to allow remote management. The systems administrator is now troubleshooting an issue with the screen displaying unknown, random, and inappropriate messages. Which of the following is MOST effective in resolving this issue? A. Changing the management software's default credentials B. Disabling unnecessary services from the server and management software C. Changing the management software's default port D. Replacing the management software's self-signed certificate with a valid certificate

A

Which of the following BEST describes the differences between VLAN hopping and session hijacking? A. VLAN hopping involves the unauthorized transition from one VLAN to another to gain additional access. Session hijacking involves overriding a user's web connection to execute commands B. VLAN hopping is a brute force attack executed to gain additional access. Session hijacking involves physically disrupting a network connection C. VLAN hopping involves overriding a user network connection to execute malicious commands. Session hijacking involves compromising a host to elevate privileges D. VLAN hopping is the act of exploiting poor VLAN tagging. Session hijacking is a web-based attack aimed at privilege escalation

A

Based on networks 10.8.16.0/22 and 10.8.31.0/21, which of the following is the BEST summarized CIDR notation? A. 10.8.0.0/16 B. 10.8.0.0/19 C. 10.8.0.0/20 D. 10.0.0.0/24

A. 10.8.0.0/16

Which of the following protocols do MOST MITM attacks utilize? A. ARP B. SIP C. FTP D. SCP

A. ARP

A disgruntled employee executes a man-in-the-middle attack on the company network. Layer 2 traffic destined for the gateway is redirected to the employee's computer. This type of attack is an example of: A. ARP cache poisoning B. IP spoofing C. amplified DNS attack D. evil twin

A. ARP cache poisoning

To replace a defective UPS, the network administrator must take the switch offline. The administrator wants to be able to perform maintenance UPS in the future without affecting the availability of the attached switch. Which of the following would BEST allow this to happen? A. Add a redundant power supply to the switch B. Implement stacking on the switches in the rack C. Add a second UPS into the rack D. Install a power converter for the switch

A. Add a redundant power supply to the switch

A network engineer is designing a new IDF in an old building. The engineer determines the equipment will fit in a two-post rack, and there is power available for this equipment. Which of the following would be the FIRST issue to remediate? A. Air flow and cooling B. UPS capability C. Circuit labeling D. Power redundancy

A. Air flow and cooling

Which of the following should current network performance be compared against to determine network anomalies? A. Baseline B. Traffic analysis C. Packet capture D. Logs

A. Baseline

A technician is investigating a server performance issue. The technician has gathered the server utilization statistics. Which of the following should the technician use to determine which statistics are not in the normal range? A. Baseline review B. Vulnerability scan C. System life-cycle report D. Archiving logs

A. Baseline review

Ann, a network technician, has just installed a fiber switch in a datacenter. To run the fiber cabling, Ann plans the cable route over the top of the rack using the cable trays, down to the switch, coiling up any excess cable. As Ann configures the switch, she notices several messages in the logging buffer stating the receive signal of the SFP is too weak. Which of the following is MOST likely the cause of the errors in the logging buffer? A. Bend radius exceeded B. Fiber cable mismatch C. Fiber type mismatch D. Bad fiber switch

A. Bend radius exceeded

Which of the following communication media can carry many voice, data, and video channels simultaneously over multiple frequencies? A. Broadband B. Baseband C. Analog modem D. CSMA

A. Broadband

A technician discovers that multiple switches require a major update. Which of the following policies should be followed? A. Change management policy B. Remote access policy C. Acceptable use policy D. Memorandum of understanding

A. Change management policy

A network administrator wants to ensure sensitive data is not exfiltrated from the system electronically. Which of the following should be implemented? A. DLP B. AUP C. NDA D. SLA

A. DLP

A network technician is building a network for a small office. The office currently has cable TV and now requires access to the Internet without adding any cabling other than what is already in place. Which of the following solutions should the technician install to meet these requirements? A. DOCSIS modem B. Wireless router C. DSL modem D. Access point

A. DOCSIS modem

Users are reporting their network is extremely slow. The technician discovers pings to external host have excessive response times. However, internal pings to printers and other PCs have acceptable response times. Which of the following steps should the technician take NEXT? A. Determine if any network equipment was replaced recently B. Verify malware has not disabled the users' PC firewalls C. Replace users' network cables with known-good network cables D. Power cycle the web server

A. Determine if any network equipment was replaced recently

A network administrator is setting up a web-based application that needs to be continually accessible to the end users. Which of the following concepts would BEST ensure this requirement? A. High availability B. Snapshots C. NIC teaming D. Cold site

A. High availability

Which of the following DNS records needs to be configured for SMTP traffic? A. MX B. CNAME C. AAAA D. PTR

A. MX

to interact with the website. Given this information, the technician would like to analyze the entire TCP handshake of the HTTP requests offline. Which of the following tools would allow the technician to view the handshake? A. Packet analyzer B. Port analyzer C. SNMP traps D. Spectrum analyzer

A. Packet analyzer

The Chief Information Officer (CIO) has noticed the corporate wireless signal is available in the parking lot. Management requests that the wireless network be changed so it is no longer accessible in public areas, without affecting the availability inside the building. Which of the following should be changed on the network? A. Power levels B. Overcapacity C. Distance limitations D. Channel overlap

A. Power levels

After a server outage, a technician discovers that a physically damaged fiber cable appears to be the problem. After replacing the cable, the server will still not connect to the network. Upon inspecting the cable at the server end, the technician discovers light can be seen through one of the two fiber strands. Which of the following should the technician do FIRST to reconnect the server to the network? A. Reverse the fiber strands of the cable and reconnect them to the server B. Use a TDR to test both strands of a new replacement cable prior to connecting it to the server C. Replace the server's single-mode fiber cable with multimode fiber D. Move the fiber cable to different port on the switch where both strands function

A. Reverse the fiber strands of the cable and reconnect them to the server

A network technician wants to remotely and securely access the desktop of a Linux workstation. The desktop is running remote control software without encryption. Which of the following should the technician use to secure the connection? A. SSH in tunnel mode B. RDP set to console connection C. EAP-PEAP D. SFTP

A. SSH in tunnel mode

A technician is planning a remote-access strategy to manage routers and switches on a dedicated management network. The management network is segregated from the production network and uses site-to-site VPN connections. Some of the equipment does not support encryption. Which of the following should the technician choose that all the equipment would support? A. Telnet B. SSL C. SSH D. IPSec

A. Telnet

A computer lab on a campus network was recently reconfigured using recycled network cables. One of the 24 computers in the lab is unable to connect to the network after the upgrade. A network technician successfully uses the cable in question to connect directly to another computer. Which of the following is MOST likely issue with the cable? A. The cable is a crossover cable B. The cable is rollover cable C. The cable has bent pins D. The cable is a Cat 5 cable

A. The cable is a crossover cable

A single PRI can deliver multiple voice calls simultaneously using which of the following Layer 1 technologies? A. Time division multiplexing B. Analog circuit switching C. CSMA/CD D. Time division spread spectrum

A. Time division multiplexing

A network technician is troubleshooting an end-user connectivity problem. The network technician goes to the appropriate IDF but is unable to identify the appropriate cable due to poor labeling. Which of the following should the network technician use to help identify the appropriate cable? A. Tone generator B. Multimeter C. OTDR D. Loopback adapter

A. Tone generator

A network technician notices the site-to-site VPN and Internet connection have not come back up at a branch office after a recent power outage. Which of the following is an out-of-band method the technician would MOST likely utilize to check the branch office's router status? A. Use a modem to console into the router B. Walk a user through troubleshooting the connection C. Travel to the branch office D. Hire a contractor to go on-site

A. Use a modem to console into the router

A user reports that a laptop cannot connect to the Internet despite the fact the wireless Internet was functioning on it yesterday. The user did not modify the laptop in any way, and the wireless Internet is functional on other users' laptops. Which of the following issues should be reviewed to help the user to connect to the wireless network? A. Wireless switch toggled off B. WAP settings C. WLAN IP address out of scope D. Wireless controller misconfiguration

A. Wireless switch toggled off

A network administrator would like to collect information from several networking devices using SNMP. Which of the following SNMP options should a network administrator use to ensure the data transferred is confidential? A. authpriv B. SHA C. MD5 D. Authentication passphrase

A. authpriv

A technician must determine if a web page user's visits are connecting to a suspicious website's IP address in the background. Which of the following tools would provide the information on TCP connections? A. netstat B. tracert C. arp D. ipconfig E. route

A. netstat

The process of attempting to exploit a weakness in a network after being given permission by the company is known as: A. penetration testing B. vulnerability scanning C. reconnaissance D. social engineering

A. penetration testing

Which of the following is a system of notation that uses base 16 rather than base 10? A. Hex B. Octal C. Binary D. CIDR

A.Hex

A technician is troubleshooting a point-to-point fiber-optic connection. The technician is at a remote site and has no connectivity to the main site. The technician confirms the switch and the send-and-receive light levels are within acceptable range. Both fiber SFPs are confirmed as working. Which of the following should the technician use to reveal the location of the fault? A. OTDR B. Light meter C. Tone generator D. CSU/DSU

A.OTDR

A technician is setting up a public guest network for visitors to access the Internet that must be separate from the corporate network. Which of the following are the BEST steps for the technician to take with minimum overhead configuration? (Choose two.) A. Enable SSID broadcasting to identify the guest network B. Configure visitor devices to use static IP addresses C. Enable two-factor authentication on visitor devices D. Configure the access point to use WPA2-AES encryption E. Ensure the access point is not running in mixed mode

AB

A telecommunications provider has just deployed a new OC-12 circuit at a customer site. While the circuit showed no errors from the provider end to the customer's demarcation point, a network administrator is trying to determine the cause of dropped packets and errors on the circuit. Which of the following should the network administrator do to rule out any problems at Layer 1? (Choose two.) A. Use a loopback at the demark and router, and check for a link light B. Use an OTDR to validate the cable integrity C. Use a pinout tester to validate the cable integrity D. Use a multimeter to validate the cable integrity E. Check for any devices that may be causing EMI on the cable F. Clean the cables to be sure they are free of dust and debris

AB

A network administrator receives a call from the sales department requesting ports 20 and 21 be opened on the company's firewall to allow customers to retrieve a large file. Which of the following should the administrator perform BEFORE making the needed changes? (Choose two.) A. Document the reason for the request B. Scan the file for malware to protect the sales department's computers C. Follow the company's approval process for the implementation D. Install a TFTP server for the customers to use for the transfer E. Create a honeypot to store the file on for the customers to use F. Write the SLA for the sales department authorizing the change

AC

A network technician has just configured NAC for connections using Cat 6 cables. However, none of the Windows clients can connect to the network. Which of the following components should the technician check on the Windows workstations? (Choose two.) A. Start the Wired AutoConfig service in the Services console B. Enable IEEE 802.1q Authentication in Network Interface Card Properties C. Enable IEEE 802.1x Authentication in Network Interface Card Properties D. Start the Wireless AutoConfig service in the Services console E. Enable IEEE 802.3 Ethernet IPv6 in Network Interface Card Properties

AC

A network technician configures a firewall's ACL to allow outgoing traffic for several popular services such as email and web browsing. However, after the firewall's deployment, users are still unable to retrieve their emails. Which of the following would BEST resolve this issue? A. Allow the firewall to accept inbound traffic to ports 25, 67, 179, and 3389 B. Allow the firewall to accept inbound traffic to ports 80, 110, 143, and 443 C. Set the firewall to operate in transparent mode D. Allow the firewall to accept inbound traffic to ports 21, 53, 69, and 123

B

A network technician needs to separate a web server listening on port 80 from the internal LAN and secure the server from the public Internet. The web server should be accessible to the public Internet over port 80 but not the private LAN. Currently, the network is segmented with a network-based firewall using the following IP addressing scheme on each interface: *Zone -Interfaces- IP Address * 1.Public-eth0-10.0.0.1/24 2.DMZ-eth1-10.0.1.1/24 3.Private-eth2-10.0.2.1/24 Which of the following ones should the technician use to place the web server and which of the following firewall rules should the technician configure? A. Place the web server in the public zone with an inbound rule from eth0 interface to accept traffic over port 80 designated to the web server B. Place the web server in the DMZ with an inbound rule from eth0 interface to eth1 to accept traffic over port 80 designated to the web server C. Place the web server in the private zone with an inbound rule from eth2 interface to eth1 to accept traffic over port 80 designated to the web server D. Place the web server in the DMZ with an inbound rule from eth1 interface to eth0 to accept traffic over port 80 designated to the web server

B

Which of the following is the number of broadcast domain that are created when using an unmanaged 12-port switch? A. 0 B. 1 C. 2 D. 6 E. 12

B. 1

A junior network technician is setting up a new email server on the company network. Which of the following default ports should the technician ensure is open on the firewall so the new email server can relay email? A. 23 B. 25 C. 110 D. 143

B. 25

Which of the following protocols can be both connection-oriented and connectionless? A. 20 FTP B. 53 DNS C. 67 DHCP D. 80 HTTP

B. 53 DNS

A company has contracted with an outside vendor to perform a service that will provide hardware, software, and procedures in case of a catastrophic failure of the primary datacenter. The Chief Information Officer (CIO) is concerned because this contract does not include a long-term strategy for extended outages. Which of the following should the CIO complete? A. Disaster recovery plan B. Business continuity plan C. Service level agreement D. First responder training

B. Business continuity plan

An office user cannot access local network drives but has full access to the Internet. A technician troubleshoots the issue and observes the following output of the ipconfig command: Windows IP Configuration Ethernet LAN Adapter: 980GTS Connection-specific DNS Suffix: ...comptia.net APv4 Address: 10.0.5.99 Subnet Mask: 255.255.255.0 Default Gateway: . .10.0. 5. 1 Wireless LAN Adapter: FastWifi 99 Connection-specific DNS Suffix: ...guestwireless.local IPv4 Address: 172.16.0.5 Subnet Mask: 255.255.255.0 Default Gateway: ...172.16.0.254 Which of the following would MOST likely allow the network drives to be accessed? A. Update the WLAN adapter driver B. Disable the WLAN adapter C. Check the wireless DHCP configuration D. Disable the LAN adapter

B. Disable the WLAN adapter

An ISP technician gets a call from a business that just changed equipment but can no longer connect to the Internet. The technician checks the ARP table on the ISP switch, and there is no corresponding MAC address present. Instead, the entry is "Incomplete". Which of the following could cause this condition? A. VLAN mismatch B. Duplex/Speed mismatch C. Duplicate IP address D. TX/RX reverse

B. Duplex/Speed mismatch

A technician logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. The technician discovers a critical step was missed. Which of the following would allow SSH to function properly? A. Perform file hashing B. Generate new keys C. Update firmware D. Change default credentials

B. Generate new keys

The security manager reports that individual systems involved in policy or security violations or incidents cannot be located quickly. The security manager notices the hostnames all appear to be randomly generated characters. Which of the following would BEST assist the security manager identifying systems involved in security incidents? A. Enforce port security to require system authentication B. Implement a standardized UNC C. Label existing systems with current hostnames D. Forward the DHCP logs to the security manager every day

B. Implement a standardized UNC

A network engineer wants to a segment the network into multiple broadcast domains. Which of the following devices would allow for communication between the segments? A. Layer 2 switch B. Layer 3 switch C. Bridge D. Load balancer

B. Layer 3 switch

A company has a web-based application that is used by many different departments. The company has experienced some overload of resources on the database server. The network administrator implements a network device in between the servers and the database. Which of the following BEST describes the purpose of this device? A. Content filtering and network analysis B. Load balancing and providing high availability C. Port sniffing and protocol analysis D. Clustering and NIC teaming

B. Load balancing and providing high availability

Which of the following is a reason why a business may be hesitant to move sensitive data to a SaaS cloud service? A. Decreased performance of internal network B. Loss of full control over data resources C. Increased malware exposure D. Incompatibility with the current network

B. Loss of full control over data resources

Which of the following MUST be implemented to share metrics between routing protocols within the same router? A. Routing loop B. Routing table C. Route redistribution D. Dynamic routes

B. Routing table

Which of the following VPN protocols establishes a secure session that can be initiated using a browser? A. IPSec B. SSL VPN C. PTP D. PPTP

B. SSL VPN

A technician logs onto a system using Telnet because SSH is unavailable. SSH is enabled on the target device, and access is allowed from all subnets. The technician discovers a critical step was missed. Which of the following would allow SSH to function properly? A. Perform file hashing B. Generate new keys C. Update firmware D. Change default credentials

B.Generate new keys

Client PCs are unable to receive addressing information from a newly configured interface on a router. Which of the following should be added to allow the clients to connect? A. DHCP lease time B. IP helper C. TTL D. DNS record type

B.IP helper

A Chief Information Officer (CIO) wants to move some IT services to a cloud service offering. However, the network administrator still wants to be able to control some parts of the cloud service's networking components. Which of the following should be leveraged to complete this task? A. IaaS B. PaaS C. SaaS D. DaaS

B.PaaS

In which of the following ways does a DDoS attack differ from a spoofing attack? A. DDoS attacks target multiple networks B. Spoofing attacks originate from a single host C. DDoS attacks are launched from multiple hosts D. Spoofing attacks require physical presence

C

A technician is setting up a branch office on a point-to-point connection. Which of the following IP network blocks is the MOST efficient use of IP address space for the router connections between the two sites? A. /24 B. /25 C. /30 D. /32

C. /30

Which of the following would be the MOST efficient subnet mask for a point-to-point link? A. /28 B. /29 C. /31 D. /32

C. /31

Which of the following is the correct port number for NTP? A. 25 B. 69 C. 123 D. 161

C. 123

A technician is trying to determine the IP address of a customer's router. The customer has an IP address of 192.168.1.55/24. Which of the following is the address of the customer's router? A. 192.168.0.55 B. 192.168.1.0 C. 192.168.1.1 D. 192.168.5.5 E. 255.255.255.0

C. 192.168.1.1

Which of the following is the SHORTEST way to write 2001:0000:0d58:0000:0000:0095:7565:0001 in proper IPv6 shorthand? A. 2001::d58::95:7565:1 B. 2001:0:d58:0:0:95:7565:1 C. 2001:0:d58::95:7565:1 D. 2001:0:0d58::95:7565:1

C. 2001:0:d58::95:7565:1

A customer cannot access a company's secure website. The company's network security is reviewing the firewall for the server and finds the following output: Which of the following changes should be made to allow all customers to access the company's secure website? A. Allow any any 10.5.0.10 443 B. Allow any any 12.73.15.5 443 C. Allow 10.5.0.10 443 any any D. Allow 10.5.0.10 any 10.5.0.10 80

C. Allow 10.5.0.10 443 any any

Which of the following policies would Joe, a user, have to agree to when he brings in his personal tablet to connect to the company's guest wireless Internet? A. NDA B. IRP C. BYOD D. SLA

C. BYOD

A network security technician observes multiple attempts to scan network hosts and devices. All the attempts originate from a single host on the network. Which of the following threats is MOST likely involved? A. Smurf attack B. Rogue AP C. Compromised system D. Unintentional DoS

C. Compromised system

A network technician is assisting the security team with some traffic captures. The security team wants to capture all traffic on a single subnet between the router and the core switch. To do so, the team must ensure there is only a single collision and broadcast domain between the router and the switch from which they will collect traffic. Which of the following should the technician install to BEST meet the goal? A. Bridge B. Crossover cable C. Hub D. Media converter

C. Hub

A network technician is connecting two switches together. Which of the following protocols should the technician use to increase speed and fault tolerance? A. SIP B. BGP C. LACP D. LLDP

C. LACP

A technician is replacing a switch at a branch office and discovers the existing backbone cable does not fit in the new switch. The fiber patch panel has circular connections. The new switch has a transceiver that accepts a smaller square adapter of two strands. Which of the following patch cables would the technician need to complete the installation? A. LC to SC B. SC to ST C. LC to ST D. ST to ST E. SC to SC

C. LC to ST

A small town is attempting to attract tourists who visit larger nearby cities. A network engineer is asked to implement a network encompassing the five-block town center and nearby businesses. The inclusion of smartphones and portable devices is crucial to the plan. Which of the following is the network engineer being asked to implement? A. LAN B. PAN C. MAN D. WAN

C. MAN

When enabling jumbo frames on a network device, which of the following parameters is being adjusted? A. Speed B. Duplex C. MTU D. TTL

C. MTU

When choosing a type of storage that integrates with the existing network infrastructure, the storage must be easily configurable to share files and can communicate with all existing clients over TCP/IP. Which of the following is the BEST technology for the network administrator to implement? A. iSCSI B. Fibre Channel C. NAS D. DAS

C. NAS

In a service provider network, a company has an existing IP address scheme. Company A's network currently uses the following scheme: Subnet 1: 192.168.1.0/26 Subnet 2: 192.168.1.65/26 Company b uses the following scheme: Subnet 1: 192.168.1.50/28 The network administrator cannot force the customer to update its IP scheme. Considering this, which of the following is the BEST way for the company to connect these networks? A. DMZ B. PAT C. NAT D. VLAN

C. NAT

A building is equipped with light sensors that turn off the fluorescent lights when natural light is above a certain brightness. Users report experiencing network connection issues only during certain hours. The west side of the building experiences connectivity issues in the morning hours and the east side near the end of the day. At night the connectivity issues affect the entire building. Which of the following could be the cause of the connectivity issues? A. Light sensors are interfering with the network B. EMI from the lights is interfering with the network cables C. Network wiring is run perpendicular to electrical conduit D. Temperature changes are causing attenuation in copper cabling

C. Network wiring is run perpendicular to electrical conduit

Users have been experiencing slow network response times, and management has asked the network technician to provide evidence of network improvement. After optimizing the network, which of the following would be required? A. IDF/MDF documentation B. Change management C. Performance baseline D. Physical diagram

C. Performance baseline

A company recently upgraded all of its printers to networked multifunction devices. Users can print to the new devices, but they would also like the ability to scan and fax files from their computers. Which of the following should the technician update to allow this functionality? A. Device software B. Printer drivers C. Printer firmware D. NIC drivers

C. Printer firmware

A device operating at Layer 3 of the OSI model uses which of the following protocols to determine the path to a different network? A. STP B. RTP C. RIP D. NTP E. SIP

C. RIP

A network technician is able to connect the switches between two offices, but the offices cannot communicate with each other, as each office uses a different IP addressing scheme. Which of the following devices needs to be installed between the switches to allow communication? A. Bridge B. Access point C. Router D. Range extender

C. Router

A network technician is working on a proposal for email migration from an on-premises email system to a vendor-hosted email in the cloud. The technician needs to explain to management what type of cloud model will be utilized with the cloud-hosted email. Which of the following cloud models should the technician identify in the proposal? A. IaaS B. PaaS C. SaaS D. MaaS

C. SaaS

A forensic first responder arrives at the scene where an employee is suspected to have committed a computer-based crime. Which of the following should the first responder do FIRST? A. Document the scene B. Take pictures upon arrival C. Secure the area D. Implement chain of custody

C. Secure the area

The IT manager at a small firm is in the process of renegotiating an SLA with the organization's ISP. As part of the agreement, the organization will agree to a dynamic bandwidth plan to provide 150Mbps of bandwidth. However, if the ISP determines that a host on the organization's internal network produces malicious traffic, the ISP reserves the right to reduce available bandwidth to 1.5 Mbps. Which of the following policies is being agreed to in the SLA? A. Session hijacking B. Blocking C. Throttling D. Data usage limits E. Bandwidth quotas

C. Throttling

A user checks an IP address using an external website. The address is different than the one the user sees when opening a command prompt and typing in ipconfig/all. The user does not understand why the two tools show different IP addresses. This is BEST explained by the interworking of: A. network devices B. packet flow C. public/private networks D. traffic-routing protocols

C. public/private networks

An employee wishes to use a personal cell phone for work-related purposes, including storage of sensitive company data, during long business trips. Which of the following is needed to protect BOTH the employee and the company? A. An NDA ensuring work data stored on the personal phone remains confidential B. An AUP covering how a personal phone may be used for work matters C. A consent to monitoring policy covering company audits of the personal phone D. Real-time remote monitoring of the phone's activity and usage

D

A network technician is creating a new subnet for 488 host machines. The technician is told to use a class B address scheme when making the subnet and is instructed to leave as much room as possible for additional subnets of the same size. Which of the following subnets would fulfill these requirements? A. 10.5.4.0/22 B. 10.233.2.0/23 C. 172.16.0.0/22 D. 172.18.0.0/23 E. 192.168.25.0/24

D. 172.18.0.0/23

A network engineer arrives at work and discovers that many users are having problems when attempting to connect to the company network shared drives. The network operations center (NOC) technician just completed server upgrades the night before. To which of the following documents should the NOC technician refer to determine what potentially caused the connectivity problem? A. Network maps B. Cable management C. Release notes D. Change management

D. Change management

An end-user device requires a specific IP address every time it connects to the corporate network; however, corporate policy does not allow the use of static IP addresses. Which of the following will allow the request to be fulfilled without breaking the corporate policy? A. DHCP relay B. DHCP exclusion C. DHCP option D. DHCP reservation

D. DHCP reservation

Which of the following is used to classify network data for the purpose of providing QoS? A. STP B. VLANs C. SIP D. DSCP

D. DSCP

An administrator is moving to a new office. There will be several network runs through the ceiling area of the office. Which of the following is the BEST to utilize in these areas? A. Single-mode fiber-optic cabling B. Cat 5e-rated cabling C. Cat 6-rated cabling D. Plenum-rated cabling

D. Plenum-rated cabling

An office network consists of one two-port router connected to a 12-port switch. A four-port hub is also connected to the switch. On this particular network, which of the following is the number of collision domain that exist? A. 3 B. 12 C. 13 D. 14 E. 15

D.14

A technician is upgrading the firmware on an older KVM switch. The specifications call for a serial port to connect to the computer on one side, and an Ethernet jack to connect to the switch on the other side. Which of the following connectors does the technician need for this cable? (Choose two.) A. RG-9 B. DB-9 C. RJ-11 D. DB-25 E. RJ-45 F. BNC

DB-9 and RJ-45

An engineer is reviewing the implementation requirements for an upcoming project. The basic requirements identified by the customer include the following: -WLAN architecture supporting speeds in excess of 150 Mbps -Clientless remote network access -Port-based network access control Which of the following solution sets properly addresses all of the identified requirements? A. 802.11a, IPSec VPN, 802.1x B. 802.11ac, MPLS, 802.3 C. 802.11b, PPTP, 802.1x D. 802.11g, MS-CHAP, 802.16 E. 802.11n, SSL-VPN, 802.1x

E. 802.11n, SSL-VPN, 802.1x

An analyst is developing a proof of concept of a wireless-based attack as part of a penetration test against an organization's network. As part of the attack, the analyst launches a fake access point matching the SSID of the organization's guest access network. When a user connects to the fake access point, the analyst allows the traffic to flow through the access point to the legitimate site while the data traversing the network is logged for latest analysis and exploitation. Which of the following attacks has the analyst successfully performed in this scenario? A. Bluesnarfing B. Session hijacking C. MAC spoofing D. VLAN hopping E. Man-in-the-middle

E. Man-in-the-middle

A network administrator configures an email server to use secure protocols. When the upgrade is completed, which of the following ports on the firewall should be configured to allow for connectivity? (Choose three.) A. TCP 25 B. TCP 110 C. TCP 143 D. TCP 389 E. TCP 587 F. TCP 993 G. TCP 995

EFG

As part of a transition from a static to a dynamic routing protocol on an organization's internal network, the routing protocol must support IPv4 and VLSM. Based on those requirements, which of the following should the network administrator use? (Choose two.) A. OSPF B. IS-IS C. RIPv1 D. BGP E. VRRP

OSPF and IS-IS

A typical cell tower will have microwave and cellular antennas. Which of the following network topologies do these represent?(Choose two.) A. Point-to-multipoint B. Bus C. Point-to-point D. Mesh E. Peer-peer F. Ring

PTP(Point-to-Point) and Mesh

A network technician is considering opening ports on the firewall for an upcoming VoIP PBX implementation. Which of the following protocols is the technician MOST likely to consider? (Choose three.) A. SIP B. NTP C. H.323 D. SMB E. ICMP F. RTP G. IPSec H. RDP

SIP, H.323, and RTP

A network technician receives a spool of Cat 6a cable and is asked to build several cables for a new set of Ethernet runs between devices. Which of the following tools are MOST likely needed to complete the task? (Choose three.) A. Wire stripper B. Cable crimper C. RJ-11 connectors D. RJ-45 connectors E. Multimeter F. Punchdown tool G. Tone generator

Wire stripper, Cable crimper, and RJ-45 connectors

Which of the following devices, if implemented, would result in decreased administration time of an 802.11 network running centralized authentication services? (Choose two.) A. VPN concentrator B. Proxy server C. Wireless controller D. RADIUS server E. Multilayer switch

Wireless controller and RADIUS server