CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 101:

  You are a Voice Technologies Administrator and connecting a VoIP network to the PSTN. You are using E.164 standard address for your telephone system. Which of the following are the components of E.164 numbering plan? Each correct answer represents a part of the solution. Choose three.

  A. National destination code
  B. Subscriber number
  C. IP address
  D. Country code
  A. National destination code
  B. Subscriber number
  D. Country code

• Question 102:

  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

• Question 103:

  Which of the following layers of the OSI model is responsible for the auto detection process of the IP telephone power requirement?

  A. Application layer
  B. Physical layer
  C. Data link layer
  D. Presentation layer
  B. Physical layer

• Question 104:

  All of the following components are required for a softphone end-point except for which one?

  A. Microphone
  B. PC
  C. Sound card
  D. Analog phone
  D. Analog phone

• Question 105:

  Your client wants to choose a DSL connection with the fastest download rate possible. Which DSL would you recommend?

  A. SDSL
  B. HDSL
  C. FDSL
  D. ADSL
  D. ADSL

• Question 106:

  Power over Ethernet (PoE) technology describes a system to safely pass electrical power, along with data, on Ethernet cabling. What are the advantages of Power over Ethernet?

  A. Symmetric distribution is possible.
  B. A Gigabit of data per second to every device is possible.
  C. PoE supports cheap cabling.
  D. Asymmetric distribution is possible.
  A. Symmetric distribution is possible.
  B. A Gigabit of data per second to every device is possible.
  C. PoE supports cheap cabling.

• Question 107:

  Power over Ethernet (PoE) technology describes a system to safely pass electrical power, along with data, on Ethernet cabling. What are the advantages of Power over Ethernet?

  A. Asymmetric distribution is possible.
  B. Symmetric distribution is possible.
  C. PoE supports cheap cabling.
  D. A Gigabit of data per second to every device is possible.
  B. Symmetric distribution is possible.
  C. PoE supports cheap cabling.
  D. A Gigabit of data per second to every device is possible.

• Question 108:

  Which of the following protocols is used by voice terminal to communicate with the VoIP server? Each correct answer represents a complete solution. Choose all that apply.

  A. H .323
  B. SMTP
  C. MGCP
  D. SIP
  A. H .323
  C. MGCP
  D. SIP

• Question 109:

  According to the G.711 codec, how many analog samples occur per second during Pulse Code Modulation (PCM)?

  A. 9000
  B. 8000
  C. 10,000
  D. 7000
  B. 8000

• Question 110:

  Which of the following types of firewall ensures that the packets are part of the established session?

  A. Application-level firewall
  B. Circuit-level firewall
  C. Switch-level firewall
  D. Stateful inspection firewall
  D. Stateful inspection firewall