CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 81:

  The cost of installing fiber cable in a factory environment is too high. Which of the following cables should be used to minimize the effect of EMI?

  A. CAT6
  B. UTP
  C. Coaxial
  D. Crossover
  C. Coaxial

• Question 82:

  Which of the following wireless standards can transmit data up to 540Mbps?

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

• Question 83:

  Which of the following wireless standards can operate on the same frequency but are not compatible?

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

• Question 84:

  Which of the following is an example of a Class C address?

  A. 10.19.0.79
  B. 127.34.8.197
  C. 176.96.1.222
  D. 192.168.1.105
  D. 192.168.1.105

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  Class C address range varies from 192.0.0.0 to 223.255.255.255.

• Question 85:

  Which of the following OSI model layers is used to order packets which may have arrived out of order?

  A. Transport
  B. Presentation
  C. Network
  D. Session
  A. Transport

• Question 86:

  Which of the following protocols is used to transfer files over the Internet?

  A. SNMP
  B. NTP
  C. FTP
  D. SIP
  C. FTP

• Question 87:

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

  A. dig
  B. nbtstat
  C. netstat
  D. ping
  D. ping

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  The Nbstat command is a great command to use when you need to display the NetBIOS over TCP/IP protocol statistics. The Nbstat command can also be used to display NetBIOS name tables for both local and remote computers.

• Question 88:

  A user is on a network with two upstream connections to the Internet and is experiencing intermittent issues while connecting to websites. Some websites are available but others are not. Which of the following is the MOST likely cause of the condition?

  A. Incorrect VLAN assignment
  B. Bad or missing routes
  C. Switching loop
  D. Wrong subnet mask
  B. Bad or missing routes

• Question 89:

  A network administrator wants to see what ports are open on a server. Which of the following commands will show open ports?

  A. netstat
  B. tracert
  C. nbtstat
  D. nslookup
  A. netstat

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  Netstat command displays various network related information such as network connections, routing tables, interface statistics, masquerade connections, multicast memberships etc.

• Question 90:

  An administrator wants to translate an internal workstation name to an IP address. Which of the following commands would be used?

  A. ifconfig
  B. nslookup
  C. netstat
  D. ipconfig
  B. nslookup