CompTIA JK0-019 Online Practice Questions and Exam Preparation

CompTIA JK0-019 Online Questions & Answers

• Question 531:

  A new WAP is configured to only use 802.11g with SSID broadcasts enabled. The encryption is set to WPA and the key is given to the user. A user near the WAP is using a laptop equipped with a 5GHz wireless card and is not able to see the SSID. Which of the following is the problem?

  A. Latency
  B. Incorrect encryption type
  C. EUI-64
  D. Incompatible hardware
  D. Incompatible hardware

• Question 532:

  Which of the following differentiates a layer 3 switch from a layer 2 switch?

  A. Routing
  B. Bridging
  C. Switching
  D. Repeating
  A. Routing

• Question 533:

  After a new user moves furniture into a cubicle, the computer does not connect to the network any longer. Which of the following would be the MOST likely reason? (Select TWO).

  A. Bad Ethernet switch port
  B. TX/RX reversed
  C. Bad connectors
  D. Bad patch cable
  E. Mismatched MTU
  C. Bad connectors
  D. Bad patch cable

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  It could be problem with the bad connector because the user just moved furniture to the cubicle and it is quite possible that the movement of the furniture has created problem by disrupting the cabling and connections. These two are the important things which can be broken down whenever there is a physical movement.

• Question 534:

  Which of the following connector types would require a punch down tool to attach a network cable to it?

  A. F-connector
  B. ST
  C. 110 block
  D. RJ-45
  C. 110 block

• Question 535:

  A computer configured by DHCP has a listed DNS server and gateway. Which of the following allows these settings to be configured?

  A. Reservations
  B. Leases
  C. Scopes
  D. Options
  D. Options

• Question 536:

  Which of the following performance benefits would multiple domain controllers BEST provide?

  A. Fault tolerance
  B. Caching engine
  C. Proxy server
  D. Quality of service
  A. Fault tolerance

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  Fault-tolerant design is a design that enables a system to continue its intended operation, possibly at a reduced level, rather than failing completely, when some part of the system fails. The term is most commonly used to describe computer-based systems designed to continue more or less fully operational with, perhaps, a reduction in throughput or an increase in response time in the event of some partial failure

• Question 537:

  Which of the following 802.11 standards can operate at both 2.4Ghz and 5.0Ghz?

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

• Question 538:

  A VoIP system running over a wireless network link is continually being reported as choppy. Which of the following is the cause of this issue?

  A. Frequency
  B. Latency
  C. Interference
  D. Encryption type
  B. Latency

• Question 539:

  An administrator needs to provide remote connectivity to server1, web traffic to server2, and FTP access to server3 using a single outside IP address. Which of the following would the administrator implement on the firewall to accomplish this?

  A. Port Address Translation
  B. Demilitarized Zone
  C. Stateful Packet Inspection
  D. Network Address Translation
  A. Port Address Translation

• Question 540:

  A technician is having trouble identifying a computer on a network. The technician has the IP address of the computer, but needs to find the hostname of the computer. Which of the following commands should the technician use?

  A. ipconfig /a
  B. ping -t
  C. ping -a
  D. netstat
  C. ping -a