CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 271:

  Which of the following commands are valid only under the POTS dial peers? Each correct answer represents a complete solution. Choose all that apply.

  A. Num-exp
  B. Forward digits
  C. No digit-strip
  D. Prefix
  E. Preference
  B. Forward digits
  C. No digit-strip
  D. Prefix

• Question 272:

  Which of the following is responsible for publishing the requests for RFCs that are used to establish TCP/IP specifications?

  A. IETF
  B. IEEE
  C. ITU
  D. ICANN
  A. IETF

• Question 273:

  Voice over IP is an application that requires efficient use of bandwidth and reliability. VoIP must not suffer the delays that can be seen at times with Web sites and Web applications. Which technology can be used to help ensure the efficient transport of VoIP traffic?

  A. RTP
  B. QoS
  C. DNS
  D. RSTP
  B. QoS

• Question 274:

  Which of the following is a system that manages VoIP call volumes?

  A. QPM
  B. CAC
  C. MQC
  D. RTCP
  B. CAC

• Question 275:

  Which of the following is the broadcast address for all nodes on a TCP/IP network?

  A. 1.1.255.255
  B. 192.168.1.1
  C. 10.1.1.1
  D. 255.255.255.255
  D. 255.255.255.255

• Question 276:

  Which of the following standard ports should you open for T.120 on your corporate firewall?

  A. TCP port 1725
  B. TCP port 1503
  C. UDP port 1745
  D. UDP port 1550
  B. TCP port 1503

• Question 277:

  Which of the following statements are true about routers? Each correct answer represents a complete solution. Choose all that apply.

  A. Routers are responsible for making decisions about which of several paths network (or Internet) traffic will follow.
  B. Routers act as protocol translators and bind dissimilar networks.
  C. Routers organize addresses into classes, which are used to determine how to move packets from one network to another.
  D. Routers do not limit physical broadcast traffic.
  A. Routers are responsible for making decisions about which of several paths network (or Internet) traffic will follow.
  B. Routers act as protocol translators and bind dissimilar networks.
  C. Routers organize addresses into classes, which are used to determine how to move packets from one network to another.

• Question 278:

  Which of the following is a set of networking protocols that permits networked devices to seamlessly discover each others presence on the network?

  A. XPnP
  B. STUN
  C. UPnP
  D. CoS
  C. UPnP

• Question 279:

  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 network cable to category 6 cabling.
  C. Upgrade the computer system.
  D. Upgrade the Network Interface Card (NIC).
  D. Upgrade the Network Interface Card (NIC).

• Question 280:

  Session Border Controllers (SBCs) commonly maintain full session state.

  Which of the following functions are offered by a Session Border Controller? Each correct answer represents a complete solution. Choose all that apply.

  A. Connectivity
  B. Statistics
  C. Quality of service
  D. Regulatory
  E. Availability
  F. Security
  A. Connectivity
  B. Statistics
  C. Quality of service
  D. Regulatory
  F. Security