CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 421:

  Which of the following 802.11 standards transmits the signals the GREATEST distance?

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

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  802.11n uses multiple antennas to increase data rates.

• Question 422:

  Some visitors are unable to access the wireless network. The network's wireless infrastructure is comprised of three different buildings with the configurations listed below. Wireless network in Building A and C is used exclusively for internal employees and Building B is used for visitors and requires no additional configuration on their devices. Which of the following settings would need to be modified to provide wireless access to all visitors? Building ABuilding BBuilding C Channel: 2Channel: 6Channel: 11 Encryption: WPA2Encryption: WPA2Encryption: WPA2

  A. Encryption set to Open in all Buildings
  B. Encryption set to Open in Building B
  C. Encryption set to WEP in Building B
  D. Channel set to 11 in Building B
  B. Encryption set to Open in Building B

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  Because the building B is in the middle, the wireless access router will have reachability to the building A and C. Now, the only thing that we need to do is to open the Wireless access on B for the guest users for the WAP in B so that the users coming to building A and C can get access to internet using the open connection.

• Question 423:

  Which of the following cables has a hard plastic cross inside the cable to separate each pair of wires?

  A. Coaxial
  B. CAT3
  C. CAT5
  D. CAT6a
  D. CAT6a

• Question 424:

  A technician has received a trouble ticket from a user who has intermittent wireless access. Moving the computer farther from the WAP results in a more stable connection. Which of the following is MOST likely the cause of this instability?

  A. Wrong encryption type
  B. SSID mismatch
  C. Signal bounce
  D. Incorrect channel
  C. Signal bounce

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  Bouncing is the tendency of any two metal contacts in an electronic device to generate multiple signals as the contacts close or open.

• Question 425:

  Which of the following assists a network administrator in reverse engineering malware and viruses?

  A. Virtual switches
  B. Virtual machines
  C. VLANs
  D. IDS
  B. Virtual machines

• Question 426:

  After a power failure, several users are unable to connect to network devices at the remote office. Which of the following is the MOST likely cause of the issue?

  A. Bad cable
  B. Missing route
  C. Duplicate IP address
  D. Switching loop
  B. Missing route

• Question 427:

  Users are reporting a large decrease in network performance. After further investigation, the network administrator notices large amounts of traffic coming from a specific IP address. The network administrator needs to identify the payload of the network traffic. Which of the following could be used to collect that information?

  A. ipconfig
  B. ping
  C. sniffer
  D. route
  C. sniffer

• Question 428:

  Which of the following tools allows an administrator to identify a cable?

  A. Multimeter
  B. Cable stripper
  C. Toner
  D. Punch down tool
  C. Toner

• Question 429:

  Which of the following are valid hosts for the Private IP Address range 172.16.0.x /23? (Select TWO).

  A. 172.16.0.255
  B. 172.16.0.0
  C. 172.16.1.1
  D. 172.16.8.0
  E. 172.16.256.255
  A. 172.16.0.255
  C. 172.16.1.1

• Question 430:

  A technician needs to restrict access to a SOHO wireless network to specific devices. Which of the following would MOST likely be used with minimal client configuration?

  A. Port filtering
  B. WEP
  C. MAC address filtering
  D. PoE
  C. MAC address filtering