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1 Computer Networking MCQs

Data encryption before transmission and decryption after reception occurs at which OSI layer?

  • Session Layer
  • Network Layer
  • Transport Layer
  • Presentation Layer
0 Comments
Correct Answer: D. Presentation Layer

Explanation: The Presentation Layer is the sixth layer in the OSI model. It is mainly responsible ... Read More Details

2 Computer Networking MCQs

Which of the following is an example of data translation handled by the Presentation Layer?

  • IP addressing
  • Port allocation
  • Converting EBCDIC to ASCII
  • Creating HTML code
0 Comments
Correct Answer: C. Converting EBCDIC to ASCII

Explanation: The Presentation Layer is the 6th layer of the OSI model and plays a key ... Read More Details

3 Computer Networking MCQs

What is the main function of the Presentation Layer in the OSI model?

  • Routing and switching
  • Data encryption, compression, and translation
  • Physical signal transmission
  • Error control
0 Comments
Correct Answer: B. Data encryption, compression, and translation

Explanation: The Presentation Layer is the 6th layer of the OSI (Open Systems Interconnection) Model. Its ... Read More Details

4 Computer Networking MCQs

Which of the following is NOT a function of the Session Layer?

  • Session termination
  • Dialog control
  • Address resolution
  • Synchronization
0 Comments
Correct Answer: C. Address resolution

Explanation: The Session Layer (Layer 5 of the OSI Model) is responsible for managing communication sessions ... Read More Details

5 Computer Networking MCQs

A "checkpoint" or synchronization point in a session is used to:

  • Start a firewall
  • Save the state of communication
  • Format data
  • Configure routing tables
0 Comments
Correct Answer: B. Save the state of communication

Explanation: In the Session Layer (Layer 5 of the OSI Model), a checkpoint or synchronization point ... Read More Details

6 Computer Networking MCQs

Which layer ensures two devices can communicate in either half-duplex or full-duplex mode?

  • Application Layer
  • Presentation Layer
  • Transport Layer
  • Session Layer
0 Comments
Correct Answer: D. Session Layer

Explanation: The Session Layer (Layer 5 of the OSI model) is responsible for managing dialogs between ... Read More Details

7 Computer Networking MCQs

What happens if a session is interrupted?

  • It is ignored by the session layer
  • The session layer re-establishes or resumes the session
  • The data is discarded
  • Data is re-routed
0 Comments
Correct Answer: B. The session layer re-establishes or resumes the session

Explanation: If a session is interrupted during communication, the Session Layer (Layer 5 of the OSI ... Read More Details

8 Computer Networking MCQs

Which of the following protocols is associated with the Session Layer?

  • TCP
  • DNS
  • NetBIOS
  • IP
0 Comments
Correct Answer: C. NetBIOS

Explanation: NetBIOS is a protocol that operates at the Session Layer (Layer 5) of the OSI ... Read More Details

9 Computer Networking MCQs

Which layer is responsible for dialog control in the OSI model?

  • Presentation Layer
  • Session Layer
  • Transport Layer
  • Network Layer
0 Comments
Correct Answer: B. Session Layer

Explanation: The Session Layer is the fifth layer of the OSI (Open Systems Interconnection) model. It ... Read More Details

10 Computer Networking MCQs

What is the main role of the Session Layer in the OSI model?

  • Packet routing
  • Flow control
  • Establish, manage, and terminate sessions
  • Error detection
0 Comments
Correct Answer: C. Establish, manage, and terminate sessions

Explanation: The Session Layer is the fifth layer of the OSI (Open Systems Interconnection) model. Its ... Read More Details

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