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2018 May CompTIA Official New Released JK0-023
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CompTIA Network certification

Question No: 401 – (Topic 4)

Users report that they are unable to access any external websites. The local intranet is not affected. A network technician has isolated the problem to a Linux-based server. Which of the following commands will enable the technician to view DNS information on the Linux- based server?

  1. nbtstat

  2. ipconfig

  3. dig

  4. netstat

Answer: C

Question No: 402 – (Topic 4)

Which of the following can assist when troubleshooting a cable that meets the 1000BaseLX specification?

  1. Multimeter

  2. OTDR

  3. Link state

  4. Protocol analyzer

Answer: B

Question No: 403 – (Topic 4)

Users are reporting that external web pages load slowly. The network administrator determines that the Internet connection is saturated. Which of the following is BEST used to decrease the impact of web surfing?

  1. Caching

  2. Load balancing

  3. Port filtering

  4. Traffic analyzer

Answer: A

Question No: 404 – (Topic 4)

A company has gone through several upgrades on their network but unfortunately have no way of identifying who approved the upgrades. Which of the following should be implemented to track this type of work?

  1. Change management

  2. Asset management

  3. Access log

  4. Baselines

Answer: A

Question No: 405 – (Topic 4)

Users have reported issues accessing an Internet website. The network technician wants to verify network layer connectivity. Which of the following tools can provide the verification?

  1. ping

  2. netstat

  3. route

  4. arp

Answer: A

Question No: 406 – (Topic 4)

Sandy, a network technician, is troubleshooting connectivity to a server at a remote office. Which of the following utilities should be used to locate the network issue?

  1. ipconfig

  2. arp

  3. tracert

  4. netstat

Answer: C

Question No: 407 – (Topic 4)

Which of the following should Kim, a technician, update when new computers are purchased?

  1. Asset management

  2. Change management

  3. Cable management

  4. Baselines

Answer: A

Question No: 408 – (Topic 4)

A public website using round robin DNS is an example of:

  1. load balancing.

  2. QoS.

  3. caching engines.

  4. traffic shaping.

Answer: A

Question No: 409 – (Topic 4)

A company is experiencing a denial of service attack and wants to identify the source IP address of the attacker in real time. Which method is the BEST way to accomplish this?

  1. Network sniffer

  2. Syslog

  3. SNMPv3

  4. System logs

Answer: A

Question No: 410 – (Topic 4)

Kim, an administrator, wants to list all the network connections to and from the server. Which of the following commands would MOST likely be used?

  1. traceroute

  2. ping

  3. ipconfig

  4. netstat

Answer: D

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