CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 31:

  John works as a Sales Engineer for KBC Inc. He has been assigned a project to install a soft phone on different computers. One of the computer systems on the LAN is experiencing problems in voice quality. Which of the following actions should John perform to resolve the problem?

  A. Add more system RAM.
  B. Upgrade the computer system.
  C. Upgrade the Network Interface Card (NIC).
  D. Upgrade the network cable to category 6 cabling.
  C. Upgrade the Network Interface Card (NIC).

• Question 32:

  Realtime Transport Protocol (RTP) operates on top of various protocols. Which of the following protocols is commonly implemented with RTP?

  A. STP
  B. NTP
  C. UDP
  D. SIP
  C. UDP

• Question 33:

  John works as a Network Administrator for NetPerfect Inc. The company has a Windows-based network. John has been assigned a project to build a network for the sales department of the company. It is important for the LAN to continue working even if there is a break in the cabling.

  Which of the following topologies should John use to accomplish the task?

  A. Mesh
  B. Star
  C. Bus
  D. Ring
  A. Mesh

• Question 34:

  In McNeil Inc. the voicemail system is configured to send email alerts when new voicemails are left for users. Users are complaining that they are only receiving voicemails, but not email alerts. Which of the following is the most likely cause of this issue?

  A. Port 25 is not functioning on the email server.
  B. Port 53 is not functioning on the email server.
  C. Port 21 is not functioning on the voicemail server.
  D. Port 23 is not functioning on the voicemail server.
  A. Port 25 is not functioning on the email server.

• Question 35:

  You work as a technician for McNeil Inc. You want to capture packets linked to SIP and HTTP using the same application. Which of the following monitoring tools will you use to accomplish the task?

  A. Protocol analyzer
  B. Spectrum analyzer
  C. Traffic generator
  D. SIP analyzer
  A. Protocol analyzer

• Question 36:

  You are required to configure an SIP phone. While accomplishing the task, you should also specify the standard codec for toll-grade quality. Which of the following codecs will you choose to accomplish the task?

  A. G.723
  B. G.729
  C. G.711
  D. G.726
  C. G.711

• Question 37:

  For outside cabling, which of the following cable types is most immune to the effects of lightning?

  A. Coaxial
  B. Shielded Twisted Pair (STP)
  C. Unshielded Twisted Pair (UTP)
  D. Fiber optic
  D. Fiber optic

• Question 38:

  You work in a company that accesses the Internet frequently. This makes the company's files susceptible to attacks from unauthorized access. You want to protect your company's network from external attacks. Which of the following options will help you in achieving your aim?

  A. Gopher
  B. HTTP
  C. Firewall
  D. FTP
  C. Firewall

• Question 39:

  Which of the following provide an "always on" Internet access service when connecting to an ISP? Each correct answer represents a complete solution. Choose two.

  A. Digital modem
  B. Analog modem
  C. DSL
  D. Cable modem
  C. DSL
  D. Cable modem

• Question 40:

  Which of the following parameters are generally used to describe quality of service for IP-based voice and video? Each correct answer represents a complete solution. Choose all that apply.

  A. Jitter
  B. Bandwidth
  C. Latency
  D. Packet loss
  A. Jitter
  B. Bandwidth
  C. Latency
  D. Packet loss