[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 451-460

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CompTIA Network certification

Question No: 451 – (Topic 4)

Which of the following BEST describes a load balancer?

  1. A device that splits traffic between multiple nodes of a clustered service.

  2. A device that allows multiple computers to access the internet through a single public IP address.

  3. A device that filters internet content based on rules and ACLs.

  4. A device that separates users onto separate WAPs for even distribution.

Answer: A

Question No: 452 – (Topic 4)

Users report that their Internet connection is slow. Zach, the network technician, has a suspicion that users are streaming video and music. Which of the following would BEST confirm Zach’s theory?

  1. Traffic analysis

  2. SNMP

  3. History logs

  4. System logs

Answer: A

Question No: 453 – (Topic 4)

Which of the following can be used to prioritize network streams to optimize performance for certain traffic types?

  1. VLAN

  2. VPN

  3. QoS

  4. PoE

Answer: C

Question No: 454 – (Topic 4)

Users report that an internal file server is inaccessible. Of the following commands, which would be the MOST useful in determining network-layer connectivity?

  1. dig

  2. nbtstat

  3. netstat

  4. ping

Answer: D

Question No: 455 – (Topic 4)

Which of the following tools would Lisa, an administrator, use to determine if there is a problem with a telephone line?

  1. Port scanner

  2. Punch down tool

  3. Butt set

  4. Toner probe

Answer: C

Question No: 456 – (Topic 4)

The selection of the correct punch down tool to use depends on which of the following?

  1. Connector type

  2. Demarcation point location

  3. Block type

  4. Switch location

Answer: C

Question No: 457 – (Topic 4)

Which of the following network performance methods would Lisa, a technician, use with SIP phones?

  1. CARP

  2. Load balancing

  3. QoS

  4. Caching engines

Answer: C

Question No: 458 – (Topic 4)

Which of the following commands would be used to identify how many hops a data packet makes before reaching its final destination?

  1. route

  2. netstat

  3. traceroute

D. ping

Answer: C

Question No: 459 – (Topic 4)

Which of the following network optimization methods would be BEST to implement to increase bandwidth for an internal streaming video server?

  1. ISDN

  2. QoS

  3. Upgrade to 10baseT

  4. Buffer overflow

Answer: B

Question No: 460 – (Topic 4)

Lisa, an administrator, is experiencing availability issues on a Linux server. She decides to check the server for an IP address conflict on the server. Which of the following commands should Lisa use?

  1. traceroute

  2. tracert

  3. ifconfig

  4. ipconfig

Answer: C

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