[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 681-690

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CompTIA Network certification

Question No: 681 – (Topic 6)

Which of the following tools can the technician use to analyze TCP/IP packets when trying to determine a connection problem within a subnet?

  1. Wire mapper

  2. Protocol analyzer

  3. Cable tester

  4. SYSLOG server

Answer: B

Question No: 682 – (Topic 6)

A network technician is troubleshooting intermittent issues with VoIP call quality. A throughput tester can help assess the functionality of which of the following?

  1. LLDP

  2. VLAN tagging

  3. QoS

  4. SIP trunking

Answer: C

Question No: 683 – (Topic 6)

The components of a NIC function at which of the following layers of the OSI model? (Select TWO).

  1. Layer 1

  2. Layer 2

  3. Layer 3

  4. Layer 4

  5. Layer 5

Answer: A,B

Question No: 684 DRAG DROP – (Topic 6)

Under each network device, drag and drop the associated broadcast and/or collison description. Objects may be used multiple times, as needed.

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Question No: 685 – (Topic 6)

A recent flood in the office caused a lot of equipment to be damaged and the manager of the IT department would like a way to prevent such an incident in the future. Which of the following is the BEST way to mitigate such an equipment failure?

  1. Reduce the power input on the replacement servers.

  2. Cover the servers with plastic tarps.

  3. Purchase twice as many servers to create high availability clusters.

  4. Transfer the replacement servers offsite to a data center.

Answer: D

Question No: 686 – (Topic 6)

Which of the following tools would a technician use to determine if a CAT6 cable is properly terminated?

  1. Cable tester

  2. Punch down tool

  3. Crimper

  4. Multimeter

Answer: A

Question No: 687 – (Topic 6)

A user is getting very weak signals while trying to connect to the wireless. Which of the following should the user do to help with signal strength?

  1. Call the wireless provider and ask for a T3 circuit.

  2. Move the wireless router to a better location where line of sight is obtained.

  3. Reinstall the operating system to the PC to ensure the newest patches are installed.

  4. Install a hub to ensure there is a clear path for the cables to run.

Answer: B

Question No: 688 – (Topic 6)

Which of the following firewall rules will block destination telnet traffic to any host with the source IP address

  1. Deny any source host on source port 23 to destination any

  2. Deny any source network to destination any on port 23

  3. Deny source host 1.1.12 on source port 23 to destination any

  4. Deny any source network with source port 23 to destination any

Answer: B

Question No: 689 – (Topic 6)

A network administrator wants to monitor traffic by deploying MIBs. Which of the follow network monitoring resources would be used?

  1. SCTP

  2. Packet sniffer

  3. DCCP

  4. SNMP

Answer: D

Question No: 690 – (Topic 6)

When configuring a WAP for a SOHO, which parameter will BEST limit access to the office area?

  1. Signal strength

  2. SSID enable

  3. Encryption

  4. Password hardening

Answer: A

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