CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 111:

  Flow based QoS tools automatically recognize flows. On which of the following things, this flow recognition is based? Each correct answer represents a part of the solution. Choose three.

  A. Port numbers
  B. Source and destination address
  C. MAC address
  D. Transport layer protocol
  A. Port numbers
  B. Source and destination address
  D. Transport layer protocol

• Question 112:

  Which of the following protocols is used for Voice over IP (VOIP) solutions?

  A. MGCP
  B. RTMP
  C. RTSP
  D. RTP
  A. MGCP

• Question 113:

  John works as a Voice Technologies Administrator in PassGuide.com. He configured a PBX system for his company. Now, he is facing problems related with Call setup, routing and management. The PBX system has some cards to provide call distribution functions properly.

  Which of the following cards will John check to resolve this problem?

  A. Line card
  B. Flash card
  C. Control complex card
  D. Trunk card
  C. Control complex card

• Question 114:

  Which of the following protocols is also known as the Media Gateway Control (Megaco) protocol?

  A. SIP
  B. H.248
  C. RTCP
  D. H .323
  B. H.248

• Question 115:

  Mike works as a Technician for Umbrella Inc. The company is using symmetric Network Address Translation (NAT) in their network. Mike requires a workaround for the SIP devices. Mike is using IP phones from multiple vendors, as well as open source SIP clients.

  Which of the following solutions will work to allow the SIP implementation to pass through the NAT solution?

  A. TURN
  B. STUN
  C. 802.1p
  D. UPnP
  A. TURN

• Question 116:

  Which of the following components of a VoIP network allows users to view video streams and hear audio that originates at a remote user station?

  A. Call agent
  B. MCU
  C. IP Phones
  D. Videoconference station
  D. Videoconference station

• Question 117:

  Which of the following is the most important element to verify while designing an SIP implementation for an existing network?

  A. Fire-grade cabling
  B. QoS
  C. Fault tolerance
  D. Web server
  B. QoS

• Question 118:

  Which of the following are examples of interactive communication? Each correct answer represents a complete solution. Choose all that apply.

  A. Phone call
  B. Fax
  C. Video Conferencing
  D. E-mail
  A. Phone call
  C. Video Conferencing

• Question 119:

  H .323 is a group of protocols defined by the International Telecommunication Union for multimedia conferences over Local Area Networks. H .323 uses ASN.1 binary code. Which of the following layers of the OSI model is responsible for translating, processing, and reading ASN.1 and ASCII messages?

  A. Transport layer
  B. Physical layer
  C. Application layer
  D. Presentation layer
  D. Presentation layer

• Question 120:

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