CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 1:

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

• Question 2:

  Which of the following is a drawback of using private IP addresses?

  A. They do not support H .323.
  B. They do not support SIP.
  C. They are not mutable across the Internet.
  D. They cannot be used by registered corporations.
  C. They are not mutable across the Internet.

• Question 3:

  You are implementing a Voice over Wireless LAN network.

  Which of the following voice-specific requirements will you consider to ensure that voice traffic is received timely or not?

  A. Security
  B. Quality of service
  C. Intelligent client
  D. Roaming
  B. Quality of service

• Question 4:

  Which of the following layers of the OSI model is responsible for establishing communication session between the processes running on different communication entities in a network?

  A. Layer 7 (Application layer)
  B. Layer 3 (Network layer)
  C. Layer 5 (Session layer)
  D. Layer 2 (Data-link layer)
  C. Layer 5 (Session layer)

• Question 5:

  Which of the following communications technologies provides access to a large pool of customer service agents and multiple channels of communication as well as customer self-help tools?

  A. Video telephony
  B. Contact center
  C. IP telephony
  D. Rich-media conferencing
  B. Contact center

• Question 6:

  Which of the following protocols is used to prevent switching loops in networks with redundant switched paths?

  A. Spanning Tree Protocol (STP)
  B. VLAN Trunking Protocol (VTP)
  C. File Transfer Protocol (FTP)
  D. Cisco Discovery Protocol (CDP)
  A. Spanning Tree Protocol (STP)

• Question 7:

  Adam works as a Sales Engineer for Umbrella Inc. One of his customers complains that the PBX is getting reset several times in a day. Adam finds that the power LEDs of PBX are fluttering. He suspects that faulty power supply is the cause of this problem.

  Which of the following troubleshooting tools should Adam use to verify these suspicions?

  A. Continuity tester
  B. Line tester
  C. Volt meter
  D. T-BERD 4000
  C. Volt meter

• Question 8:

  John works as a Technician for Blue Tel Inc. He notices errors in a routing table. Which of the following layers of the OSI model is associated with this situation?

  A. Network Layer
  B. Application Layer
  C. Data Link Layer
  D. Transport Layer
  A. Network Layer

• Question 9:

  Andrew is working for a television station in North America and South America.

  What video standard is more possibly be used with the video stored in the archives of these stations?

  A. SECAM
  B. NTSC
  C. IEEE 1394
  D. PAL
  B. NTSC

• Question 10:

  Which of the following gateway interfaces connects to the standard station port of a PBX?

  A. MCU
  B. FXS
  C. FXO
  D. EandM
  C. FXO