[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 381-390

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

Question No: 381 – (Topic 4)

Which of the following commands can Lisa, a technician, use on a server to display the default router setting?

  1. ping

  2. nslookup

  3. route

  4. arp

Answer: C

Question No: 382 – (Topic 4)

Which of the following is used to limit the amount of bandwidth used on a link for different applications to improve overall performance?

  1. QoS

  2. Fault tolerance

  3. Load balancing

  4. Traffic shaping

Answer: D

Question No: 383 – (Topic 4)

A network administrator suspects that recent traffic problems could be caused by a high

CPU load on company routers. Which of the following would BEST be used to monitor CPU cycles on the routers?


  2. SNMP

  3. Syslog


Answer: B

Question No: 384 – (Topic 4)

Which of the following basic devices blocks ports and can sometimes filter data?

  1. Repeater

  2. Hub

  3. Firewall

  4. Switch

Answer: C

Question No: 385 – (Topic 4)

Which of the following is used to restrict access according to user policies?

  1. Content filter

  2. DHCP server

  3. DNS server

  4. VPN concentrator

Answer: A

Question No: 386 – (Topic 4)

Users are reporting a large decrease in network performance. After further investigation, the network administrator notices large amounts of traffic coming from a specific IP address. The network administrator needs to identify the payload of the network traffic. Which of the following could be used to collect that information?

  1. ipconfig

  2. ping

  3. sniffer

  4. route

Answer: C

Question No: 387 – (Topic 4)

A new business’ web server has seen a huge spike of legitimate traffic in the last week. The owners want to ensure the site has no problems as the business continues to grow. For Kim, a network administrator, which of the following is the MOST important concern for this company?

  1. Caching

  2. Asset management

  3. Traffic shaping

  4. High availability

Answer: D

Question No: 388 – (Topic 4)

The day network administrator is having problems on the network and realizes that the night administrator implemented a new device that is causing broadcast traffic. Which of the following should be implemented to avoid miscommunication between the administrators?

  1. Asset management

  2. System baselines

  3. System logging

  4. Change management

Answer: D

Question No: 389 – (Topic 4)

Sandy, a technician, is troubleshooting a cable problem. She has checked both ends and suspects an issue 50 yards (46 meters) from the location. Which of the following network tools will confirm this analysis?

  1. TDR

  2. Protocol analyzer

  3. Multimeter

  4. Cable crimper

Answer: A

Question No: 390 – (Topic 4)

Which of the following devices should Jeff, an administrator, connect to a protocol analyzer in order to collect all of the traffic on a LAN segment?

  1. Hub

  2. VLAN

  3. Router

  4. Server

Answer: A

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