CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 221:

  You have just set up a wireless network for customers at a coffee shop. Which of the following are good security measures to implement? Each correct answer represents a complete solution. Choose two.

  A. Not broadcasting SSID
  B. MAC filtering the router
  C. Using WEP encryption
  D. Using WPA encryption
  C. Using WEP encryption
  D. Using WPA encryption

• Question 222:

  You work as a Network Administrator for McNeil Inc. The company has a TCP/IP-based network.

  Performance of the network is slow because of heavy traffic. A hub is used as a central connecting device in the network.

  Which of the following devices can be used in place of a hub to control the network traffic efficiently?

  A. Repeater
  B. Router
  C. Switch
  D. Bridge
  C. Switch

• Question 223:

  Which of the following ITU recommendations explains the standard for store-and-forward fax transmission over IP networks?

  A. Q.931
  B. S.47
  C. T.37
  D. T.38
  C. T.37

• Question 224:

  Which of the following factors are related with bandwidth requirements of a VoIP call? Each correct answer represents a part of the solution. Choose all that apply.

  A. Codec selection
  B. Layer 2 media type
  C. Layer 3 routing protocol
  D. Speech samples per packet
  A. Codec selection
  B. Layer 2 media type
  D. Speech samples per packet

• Question 225:

  Mike works as a Sales Engineer for Umbrella Inc. The employees of the company are reporting problems with voice delays on telephone calls on the corporate VoIP network.

  What is the most likely cause of this problem?

  A. Large data packets are causing the voice packets to exceed their delay budget.
  B. Voice codec is not able to compress the voice stream into pack.
  C. Echo cancellation has been enabled on the voice coders without configuring phase shifting.
  D. The destination number is not contained in the local dial plan.
  A. Large data packets are causing the voice packets to exceed their delay budget.

• Question 226:

  You have been hired by Future Perfect Inc. to configure its TCP/IP-based network. The company has three branch offices at different locations. You decide to use private IP addressing. Which of the following are the characteristics of private IP addressing? Each correct answer represents a complete solution. Choose all that apply.

  A. Private IP addresses can be assigned by many organizations at a time without conflict.
  B. Private IP addresses are used to create a network for home users only.
  C. Private IP addresses are provided by an Internet Service Provider.
  D. NAT allows users to share a single public IP address with private IP addresses.
  A. Private IP addresses can be assigned by many organizations at a time without conflict.
  D. NAT allows users to share a single public IP address with private IP addresses.

• Question 227:

  Which of the following is an implementation of the media gateway control protocol architecture for controlling Media Gateways on IP and PSTN networks?

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

• Question 228:

  Which of the following have the specifications that a VLAN has? Each correct answer represents a complete solution. Choose two.

  A. Broadcast domain
  B. Collision domain
  C. Intranet VPN
  D. IP subnet
  A. Broadcast domain
  D. IP subnet

• Question 229:

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

• Question 230:

  Which of the following standards designates international numbering plans for devices connected to the PSTN?

  A. E.164
  B. ITU-T
  C. IETF
  D. T-161
  A. E.164