CompTIA CompTIA CTT+ CN0-201 Questions & Answers

• Question 191:

  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.

  Correct Answer: BCD

• Question 192:

  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. IP address

  C. Subscriber number

  D. Country code

  Correct Answer: ACD

• Question 193:

  Mark works as a Sales Engineer for NetPerfect Inc. One of his customers has asked him to enable fax messages to be delivered to her computer so that she can read it in her email.

  Which of the following protocols should Mark implement on the convergence device?

  A. T.30

  B. T.38

  C. T.37

  D. T.100

  Correct Answer: C

• Question 194:

  Which of the following are the advantages of the Diffserv model? Each correct answer represents a complete solution. Choose two.

  A. Highly efficient tools

  B. Admission control for each request

  C. Large number of service classes

  D. High scalability

  Correct Answer: CD

• Question 195:

  You work as a Network Administrator for Tech Perfect Inc. The company has a TCP/IP-based routed network. The network is spanned over large geographical area. Users report that they are unable to access a server on the remote segment. In order to troubleshoot the issue, you are required to determine the path from a host on your segment to the server as well as the delay and packet loss on the route.

  Which of the following tools can you use to accomplish the task?

  A. PING

  B. TRACERT

  C. PATHPING

  D. IPCONFIG

  Correct Answer: C

• Question 196:

  IEEE 802.1p specifies a priority value of between 0 and 7 inclusive that can be used by Quality of Service (QoS) disciplines to differentiate the traffic.

  Which of the following values defines inter-network control?

  A. 5

  B. 3

  C. 6

  D. 4

  Correct Answer: C

• Question 197:

  Which of the following protocols is responsible for host-to-host communication services?

  A. IP

  B. TCP

  C. ARP

  D. IMAP

  Correct Answer: B

• Question 198:

  You work as a Voice Technologies Administrator at PassGuide.com. Your job is to manage and troubleshoot the problems related with the VoIP network of your company. Your company is using digital voice connection to a PSTN as T1 circuit.

  Which of the following are the methods to send T1 frames in CAS? Each correct answer represents a complete solution. Choose two.

  A. SIP (Session Initiation Protocol)

  B. SCCP (Skinny Client Control Protocol)

  C. ESF (Extended Super Frame)

  D. SF (Super frame)

  Correct Answer: CD

• Question 199:

  QoS (Quality of service) is the ability of the network to provide better or special service to a set of users and applications at the expense of other users and applications. QoS is deployed for network enhancement.

  Which of the following is NOT affected by QoS?

  A. Variable delay

  B. Packet loss

  C. Fixed delay

  D. Jitter

  Correct Answer: C

• Question 200:

  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

  Correct Answer: ABCD