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1 Computer Networking MCQs

Which of the following tasks is performed at the Application Layer?

  • Frame creation
  • IP addressing
  • User authentication
  • Signal modulation
0 Comments
Correct Answer: C. User authentication

Explanation: The Application Layer is the seventh and topmost layer of the OSI model. It serves ... Read More Details

2 Computer Networking MCQs

Which protocol is used to send emails?

  • FTP
  • SMTP
  • DNS
  • SSH
0 Comments
Correct Answer: B. SMTP

Explanation: SMTP (Simple Mail Transfer Protocol) is the protocol used to send emails from email clients ... Read More Details

3 Computer Networking MCQs

What is the role of the HTTP protocol at the Application Layer?

  • It secures email communication
  • It routes packets between routers
  • It delivers web content from server to client
  • It assigns IP addresses
0 Comments
Correct Answer: C. It delivers web content from server to client

Explanation:

The HTTP (HyperText Transfer Protocol) is one of the most important protocols at the Application ... Read More Details

4 Computer Networking MCQs

The Application Layer provides an interface between:

  • User and the network
  • Router and switch
  • MAC and IP
  • Server and database
0 Comments
Correct Answer: A. User and the network

Explanation:

The Application Layer is the seventh and topmost layer of the OSI (Open Systems Interconnection) ... Read More Details

5 Computer Networking MCQs

Which of the following is NOT an Application Layer protocol?

  • SMTP
  • HTTP
  • DHCP
  • TCP
0 Comments
Correct Answer: D. TCP

Explanation: In the OSI model, the Application Layer is the top layer (Layer 7). It provides ... Read More Details

6 Computer Networking MCQs

Which layer is responsible for services like file transfer, email, and network management?

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

Explanation: The Application Layer is the topmost layer (Layer 7) of the OSI model. It allows ... Read More Details

7 Computer Networking MCQs

DNS (Domain Name System) operates at which OSI layer?

  • Network Layer
  • Data Link Layer
  • Application Layer
  • Transport Layer
0 Comments
Correct Answer: C. Application Layer

Explanation: DNS (Domain Name System) operates at the Application Layer of the OSI model. This is ... Read More Details

8 Computer Networking MCQs

Which of the following protocols operates at the Application Layer?

  • IP
  • TCP
  • FTP
  • ARP
0 Comments
Correct Answer: C. FTP

Explanation: FTP (File Transfer Protocol) is a protocol that operates at the Application Layer of the ... Read More Details

9 Computer Networking MCQs

What is the primary function of the Application Layer in the OSI model?

  • File compression
  • Initiating data transmission from user-facing applications
  • Data routing and switching
  • Managing TCP sessions
0 Comments
Correct Answer: B. Initiating data transmission from user-facing applications

Explanation: The Application Layer is the 7th and topmost layer of the OSI model. Its main ... Read More Details

10 Computer Networking MCQs

Why is the Presentation Layer sometimes called the "translator" of the OSI model?

  • It translates between English and binary
  • It converts signals into light pulses
  • It ensures proper format, encoding, and readability of data
  • It determines IP routes
0 Comments
Correct Answer: C. It ensures proper format, encoding, and readability of data

Explanation: The Presentation Layer is Layer 6 of the OSI model. It is often called the ... Read More Details

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