CNET Pog+

Réussis tes devoirs et examens dès maintenant avec Quizwiz!

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

A junior network technician receives a help desk ticket from an end user who is having trouble accessing a web application that was working the previous day. After talking with the end user and gathering information about the issue, which of the following would be the most likely course of action for the technician to perform NEXT? A. Establish a theory of probable cause. B. Escalate the ticket to a senior technician. C. Implement the solution. D. Document the findings and outcomes.

Correct Answer: 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

Correct Answer: A

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

Correct Answer: 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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: 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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

A technician is investigating the cause of a network outage. Which of the following documents should be checked to rule out configuration issues? A. Change management records B. Inventory management C. Network log files D. Logical diagrams

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

Employees want the ability to use personal devices on the guest network while working out at the company gym. In order to meet the request, which of the following policies requires employee adherence? A. AUP B. SLA C. NDA D. MOU

Correct Answer: A

QUESTION 11 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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: 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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

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

Correct Answer: A

Which of the following storage network technologies inherently leverages block-level storage? A. NAS B. SAN C. FCoE D. iSCSI E. FTP

Correct Answer: A

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

Correct Answer: 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

Correct Answer: 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

Correct Answer: AC

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

Correct Answer: ACF

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

Correct Answer: B

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

Correct Answer: B

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

Correct Answer: B

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

Correct Answer: B

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

Correct Answer: 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: 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

Correct Answer: B

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

Correct Answer: B

A technician needs to upgrade a SOHO wireless router's firmware. The technician resets the router to factory settings and installs the new firmware. The technician enters the DHCP information and sets the SSID. Which of the following configurations would provide the MOST protection from advance hackers? A. Disable the broadcasting of the SSID. B. Enable WPA2 authentication for all hosts. C. Use private addressing for the DHCP scope. D. Install unidirectional antennas.

Correct Answer: B

A technician notices clients are receiving a 169.254.x.x IP address following the upgrade of a server. Which of the following ports should the technician check on the local server firewall? A. ports 20 and 21 B. ports 67 and 68 C. ports 80 and 443 D. port 123 and 8080

Correct Answer: B

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: 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

Correct Answer: B

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

Correct Answer: B

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

Correct Answer: B

Which of the following BEST describes the BGP routing protocol? A. distance vector B. hybrid C. static D. link state

Correct Answer: B

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

Correct Answer: B

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

Correct Answer: B

Which of the following datacenter security methodologies is MOST likely to remain usable during a network outage? A. biometric scanners B. door locks C. video surveillance D. motion detectors

Correct Answer: B

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

Correct Answer: 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

Correct Answer: B

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

Correct Answer: B

Which of the following should a technician investigate when using a network baseline to troubleshoot? A. Tracing a network wire connectivity issue from the datacenter to a host. B. Determining if the server performance is degraded. C. Changes that have been made to the network configuration. D. Location of networking equipment in a rack.

Correct Answer: B

Which of the following should be performed to verify that unnecessary services are disabled on all switches in an environment? A. Packet capturing B. Port scanning C. Log scanning D. Baseline review

Correct Answer: B

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

Correct Answer: BE

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

A system administrator receives reports from users of odd behavior in regard to a recently installed server. While reviewing the server network configuration, the systems administrator does both a forward and a reverse DNS lookup on the host, along with the network adapter configuration. Which of the following is the problem identified in the output above? A. There is no reverse DNS entry for this host. B. The server IP address is incorrectly configured. C. The DNS lookup entry is incorrectly configured. D. The reverse DNS entry is pointing to a different host.

Correct Answer: C

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

Correct Answer: C

A technician is sent to a remote office to set up a device to connect to the Internet. The company standards document requires stateful inspection. Which of the following should the technician install? A. Router B. Multiplayer switch C. Firewall D. Bridge

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

QUESTION 96 A network technician at a small office upgrades the LAN switch. After the upgrade, a user reports being unable to access network resources. When the technician checks the switchport, the LED light is not lit. Which of the following should the technician check FIRST? A. The device is using the correct cable type. B. The switchport is functioning properly. C. The device is connected to the switch. D. The switch is connected to the router.

Correct Answer: C

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

Correct Answer: C

The backups server connects to a NAS device using block-level storage over Ethernet. The performance is very slow, however, and the network technician suspects the performance issues are network related. Which of the following should the technician do to improve performance? A. Utilize UDP to eliminate packet overhead B. Turn off MDIX settings on the NAS and server switchports C. Enable jumbo frames on the NAS and server D. Encapsulate the storage traffic in a GRE tunnel

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

Which of the following networking devices operates at Layer1? A. Router B. Firewall C. Hub D. Bridge

Correct Answer: C

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

Correct Answer: C

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

Correct Answer: C

A technician is assigned to secure a basic wireless network. Which of the following authentication protocols should the technician use to perform this task? (Choose two.) A. RDP B. SNMP C. WPA2 D. EAP E. SSL

Correct Answer: CD

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

Correct Answer: CD

A customer is reporting difficulty connecting some devices after replacing a wireless router with a new wireless 802.11ac router. The SSID, encryption and password are the same as the previous router. A technician goes on-site and notices the devices that are no longer connecting appear to be several years ago. Which of the following is MOST likely the problem? A. the password needs to be re-entered. B. there is a security type mismatch. C. there is insufficient antenna power. D. there is a frequency mismatch. E. the channel has changed.

Correct Answer: D

A network administrator needs to transmit traffic to geographically diverse sites to improve performance. Which of the following devices would BEST direct traffic to the remote sites? A. Hub B. Bridge C. Switch D. Router

Correct Answer: D

A network administrator wants to employ a username and password authentication system for guest WiFi. Which of the following is the BEST option to provide this type of authentication? A. Port security B. MAC filtering C. Network access control D. Captive portal

Correct Answer: D

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

Correct Answer: 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

Correct Answer: D

A network technician is implementing a solution on the network to hide the workstation internal IP addresses across a WAN. Which of the following is the technician configuring? A. QoS B. DMZ C. RIP D. NAT

Correct Answer: D

A technician is responsible for configuring a new firewall. The hardware team has already installed, powered, and connected the system. Which of the following types of documentation should the technician utilize to complete the task? A. Rack diagram B. IDF/MDF documentation C. Network performance baseline D. Logical and physical diagrams

Correct Answer: D

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

Correct Answer: D

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

Correct Answer: D

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

Correct Answer: D

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

Correct Answer: E

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

Correct Answer: E

QUESTION 22 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

Correct Answer: EFG

Multiple users are reporting that they are unable to access the network. The ENTIRE network is shown in the diagram. PCs are not statically assigned IP addresses. The following devices will display settings: WorkstationA WorkstationB WorkstationC WorkstationD WorkstationE WorkstationF WorkstationG Laptop1 Laptop2 DHCP server1 DHCP server2 Review the settings and select the box in the diagram that identifies the device causing the issue. Only one device can be selected at a time. After checking the device that is causing the issue, select the second tab in the lower left hand corner. Identify the reason as to why some users are unable to access the network. Identify the reason as to why some users are unable to access the network. A. Workstation(s) are plugged into switch ports configured with half duplex. B. The site-to-site router was configured with the incorrect ACL. C. DHCP server scope is full and is not providing IP addresses. D. WAN and LAN ports are reversed on the router. E. STP had disabled some of the ports on the switch. F. The NIC driver is not installed. G. A wireless client is unable to associate to the AP.

Correct Answer: G


Ensembles d'études connexes

AP Psychology Chapter 3 Practice Test

View Set

Chapter 4: Decision Making and Problem Solving

View Set

ACLS- Cardiac arrest: VF/Pulseless VT Case

View Set

Structure : il faut + INF, il faut + NOM, pour + INF

View Set

Chapter 19 PrepU: Postoperative Nursing Management

View Set

Biology Chapter 4 Pearson Review

View Set

Graphing Two-Variable Linear Inequalities: Assignment

View Set

RN Maternal Newborn Online Practice 2023 A

View Set