CompTIA CN0-201 Online Practice Questions and Exam Preparation

CompTIA CN0-201 Online Questions & Answers

• Question 51:

  Which of the following is used by a technician to look at the contents of ICMP messages?

  A. Traceroute
  B. Cable analyzer
  C. Ping
  D. Protocol analyzer
  D. Protocol analyzer

• Question 52:

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

• Question 53:

  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. Application layer
  C. Physical layer
  D. Presentation layer
  D. Presentation layer

• Question 54:

  Which of the following protocols is needed when a fax machine is connected to ATA?

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

• Question 55:

  Which of the following OSI layers is responsible for a reliable connection between two hosts on a TCP/IP network?

  A. Data-Link layer (layer 2)
  B. Session layer (layer 5)
  C. Physical layer (layer 1)
  D. Network layer (layer 3)
  E. Transport layer (layer 4)
  E. Transport layer (layer 4)

• Question 56:

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

• Question 57:

  Andrew wants to stream a live presentation across the Internet. There are more than 80 users watching the stream. It is a business update presentation given by Andrew's CEO. Which of the following technologies will he use to accomplish this task?

  A. Analogue television
  B. Digital television
  C. Webcasting
  D. Progressive download
  C. Webcasting

• Question 58:

  Computer telephony integration, also called computer-telephone integration or CTI, is technology that allows interactions on a telephone and a computer to be integrated. Which of the following functions can be implemented using CTI? Each correct answer represents a complete solution. Choose all that apply.

  A. Agent state control
  B. Automatic dialing and computer controlled dialing
  C. Call routing
  D. Call control for quality monitoring/call recording software
  E. Call information display
  A. Agent state control
  B. Automatic dialing and computer controlled dialing
  C. Call routing
  D. Call control for quality monitoring/call recording software
  E. Call information display

• Question 59:

  Which of the following statements are true about spoofing and session hijacking? Each correct answer represents a complete solution. Choose all that apply.

  A. Session hijacking is an attack in which an attacker takes over the session, and the valid user's session is not disconnected.
  B. Session hijacking is an attack in which an attacker takes over the session, and the valid user's session is disconnected.
  C. Spoofing is an attack in which an attacker can spoof the IP address or other identity of the target and the valid user cannot be active.
  D. Spoofing is an attack in which an attacker can spoof the IP address or other identity of the target but the valid user can be active.
  A. Session hijacking is an attack in which an attacker takes over the session, and the valid user's session is not disconnected.
  D. Spoofing is an attack in which an attacker can spoof the IP address or other identity of the target but the valid user can be active.

• Question 60:

  Which of the following layers of the OSI model is responsible for converting between ASCII and EBCDIC?

  A. Network Layer
  B. Presentation Layer
  C. Transport Layer
  D. Application Layer
  B. Presentation Layer