CompTIA JK0-016 Online Practice Questions and Exam Preparation

CompTIA JK0-016 Online Questions & Answers

• Question 211:

  Which of the following uses classless subnet masks across a network?

  A. Subnetting
  B. CIDR
  C. Supernetting
  D. Summarization
  B. CIDR

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  Classless Inter-Domain Routing is based on variable-length subnet masking (VLSM), which allows a network to be divided into variously sized subnets, providing the opportunity to size a network more appropriately for local needs and also CIDR allows an address or routing prefix to be written with a suffix indicating the number of bits of the prefix, such as 192.168.2.0/24.

• Question 212:

  Which of the following BEST describes a firewall that can be installed via Add/Remove programs on a Windows computer?

  A. Managed
  B. Software
  C. Hardware
  D. Wireless
  B. Software

• Question 213:

  A user calls the helpdesk to report not being able to access network resources over the company's Wi-Fi connection. During information gathering, the user mentions that the wireless network their computer is signed into is not the same name as it had been previously. Which of the following is the underlying cause?

  A. SSID mismatch
  B. Incorrect WPA key
  C. Signal bounce
  D. Antenna placement
  A. SSID mismatch

• Question 214:

  A consultant has been hired to wire a simple small office of ten computers to a layer 2 Ethernet 100BaseT switch. Which of the following cabling will be needed for the installation?

  A. Multimode fiber
  B. RG-59 coaxial
  C. CAT6a
  D. CAT3
  C. CAT6a

• Question 215:

  Which of the following DNS records is used in conjunction with 192:168::1:10?

  A. AAAA
  B. MX
  C. TXT
  D. PTR
  A. AAAA

• Question 216:

  Ann, a technician, installs a new WAP and users are able to connect; however, users cannot access the Internet. Which of the following is the MOST likely cause of the problem?

  A. The signal strength has been degraded and latency is increasing hop count.
  B. An incorrect subnet mask has been entered in the WAP configuration.
  C. The signal strength has been degraded and packets are being lost.
  D. Users have specified the wrong encryption type and routes are being rejected.
  B. An incorrect subnet mask has been entered in the WAP configuration.

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  Due to wrong subnet entered user is unable to communicate with anyone so to communicate he needs to be in right subnet.

• Question 217:

  After the technician has established a theory of probable cause of a user reported problem, which of the following should the technician do NEXT in the troubleshooting process?

  A. Implement the solution to the problem.
  B. Establish a plan of action.
  C. Identify the problem.
  D. Implement preventative measures.
  B. Establish a plan of action.

• Question 218:

  Which of the following must a technician enable on a switch in order to be able to view all of the packets traversing a switch using a packet sniffer?

  A. STP
  B. Port Mirroring
  C. VLANs
  D. PoE
  B. Port Mirroring

• Question 219:

  Which of the following protocols is used by Windows to securely access a remote computer?

  A. RAS
  B. Telnet
  C. PPP
  D. RDP
  D. RDP

• Question 220:

  Which of the following devices can be utilized to monitor and block websites accessible by a company?

  A. WINS server
  B. DNS server
  C. Content filter
  D. Reverse proxy
  C. Content filter

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  On the Internet, content filtering (also known as information filtering) is the use of a program to screen and exclude from access or availability Web pages or e-mail that is deemed objectionable. Content filtering is used by corporations as part of Internet firewall computers and also by home computer owners, especially by parents to screen the content their children have access to from a computer.