CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 61:

  A network administrator suspects a broadcast storm is causing performance issues on the network. Which of the following would be used to verify this situation?

  A. Environmental monitor
  B. Multimeter
  C. Toner probe
  D. Protocol analyzer
  D. Protocol analyzer

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  A "Protocol analyzer" is a tool (hardware or software) used to capture and analyze signals and data traffic over a communication channel.

• Question 62:

  A network technician is sent to troubleshoot a phone line in the building. The user reports a dial tone is not available when attempting to place a call. Which of the following tools should the technician utilize in this scenario?

  A. Protocol analyzer
  B. Punch down tool
  C. Multimeter
  D. Toner probe
  D. Toner probe

• Question 63:

  Which of the following would be considered a Class C private address?

  A. 10.0.0.125
  B. 192.168.50.125
  C. 192.169.0.132
  D. 255.255.255.0
  B. 192.168.50.125

• Question 64:

  A network technician visits a site that needs voice connectivity to the corporate office and installs four IP phones. The phone exchange resides at the telephone company. Which of the following technologies is being used?

  A. Virtual switch
  B. Virtual server
  C. Virtual desktop
  D. Virtual PBX
  D. Virtual PBX

• Question 65:

  Which of the following is always true when a router selects a destination?

  A. The default gateway is selected over any other static or dynamic route.
  B. The shortest route is always selected.
  C. The most specific route is selected over the default gateway.
  D. A dynamic route is selected over a directly attached network.
  C. The most specific route is selected over the default gateway.

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  Router always looks for the most closely matched route for forwarding the packet. For example if there are two routes in your router and you have to send a packet to a host with an ip 10.10.10.10 then it will forward packet to 192.168.1.10 rather than 192.168.1.1: Network Destination Netmask Gateway

  0.0.0.0 0.0.0.0 192.168.1.1

  10.10.10.0 255.255.255.0 192.168.1.10

• Question 66:

  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?

  A. Plan to reboot the concentrator as the potential solution
  B. Escalate the problem to management
  C. Continue to speak to users, questioning if changes have been made
  D. Test access to the concentrator to confirm the status
  D. Test access to the concentrator to confirm the status

• Question 67:

  A technician sets up a network with multiple WAN connections, backup power sources, multiple firewalls, and a mesh configuration for network switching. All of the software and hardware has fault detection designed to provide a system with minimal down time. Which of the following is the BEST example of this optimization method?

  A. Load balancing
  B. High availability
  C. Caching engines
  D. Quality of Service
  B. High availability

• Question 68:

  A user is having difficulty connecting a laptop to the company's network via a wireless connection. The user can connect to the network via a wired NIC. The technician suspects the laptop's wireless NIC has failed. The technician performs hardware diagnostics on the wireless NIC and discovers the hardware is working fine. Which of the following network troubleshooting methodology steps should the technician do NEXT?

  A. Establish a plan of action to resolve the problem.
  B. Test the theory to determine a cause.
  C. Re-establish a new theory or escalate.
  D. Implement the solution or escalate as necessary.
  C. Re-establish a new theory or escalate.

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  As first theorey doesn't work he will establish a new theorey or escalate it to the vendor hardware company to work on it.

• Question 69:

  Which of the following standards can operate at 40MHz channel spacing?

  A. 802.11a
  B. 802.11b
  C. 802.11g
  D. 802.11n
  D. 802.11n

• Question 70:

  Drag and drop the following maximum speeds to their corresponding wireless standards. Tokens can be used more than once.

  Select and Place: