[Free] 2018(June) Dumps4cert CompTIA JK0-023 Dumps with VCE and PDF Download 641-650

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CompTIA Network certification

Question No: 641 – (Topic 6)

A Windows server has a problem after booting up. Kim, a technician, should immediately check the:

  1. history logs.

  2. cron logs.

  3. application logs.

  4. system logs.

Answer: D

Question No: 642 – (Topic 6)

A number of remote users have reported being unable to securely log on to the company’s

network. Upon speaking with some of the employees experiencing the issue, no changes were made to their configurations, usernames, or passwords. The technician establishes a theory that one of the VPN concentrators may be down. Which of the following should the technician do NEXT?

  1. Plan to reboot the concentrator as the potential solution

  2. Escalate the problem to management

  3. Continue to speak to users, questioning if changes have been made

  4. Test access to the concentrator to confirm the status

Answer: D

Question No: 643 – (Topic 6)

An organization wants to perform maintenance on any of its web servers without affecting the service availability during a scheduled change window. Which of the following network devices would be required to provide this functionality?

  1. Router

  2. Forward proxy

  3. Load balancer

  4. Firewall

Answer: C

Question No: 644 – (Topic 6) is an IP address which would MOST likely come from which of the following?

  1. CIDR

  2. DHCP

  3. APIPA

  4. DNS

Answer: C

Question No: 645 – (Topic 6)

Which of the following is a fiber connector that is slightly smaller than a standard copper network cable connector?

  1. BNC

  2. GBIC

  3. MT-RJ

  4. SC

Answer: C

Question No: 646 – (Topic 6)

Which of the following connector types would be found with a VoIP system utilizing CAT6 cabling?

  1. SC

  2. RJ-45

  3. RJ-11

  4. BNC

Answer: B

Question No: 647 – (Topic 6)

A company has a total of two public IP addresses and must allow 150 devices to connect to the Internet at the same time. Which of the following is the BEST option for connectivity?

  1. VLSM

  2. NAT

  3. CIDR

  4. PAT

Answer: D

Question No: 648 – (Topic 6)

A technician has configured a router to authenticate VPN users to an LDAP server on the network. In order to allow the authentication service, both UDP and TCP ports needed to be allowed on the router. Which of the following services was MOST likely used?

  1. Kerberos



D. 802.1x

Answer: C

Question No: 649 – (Topic 6)

A Linux-based workstation is unable to connect to an IP printer on the same network segment. The printer IP address settings have been verified. How would a network technician verify IP address settings on the Linux-based workstation?

  1. Run the dig command on the workstation.

  2. Run the nslookup command on the workstation.

  3. Run the ipconfig command on the workstation.

  4. Run the ifconfig command on the workstation.

Answer: D

Question No: 650 – (Topic 6)

A network technician wants to baseline traffic flows on a specific network. Which of the following will provide the GREATEST level of detail?

  1. Network flow information

  2. SNMP traps

  3. Debug level syslog

  4. Protocol analyzer

Answer: D

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