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1 Computer Networking MCQs

Which of the following is a protocol used at the Network Layer?

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

Explanation: The protocol used at the Network Layer of the OSI model is IP (Internet Protocol).

The ... Read More Details

2 Computer Networking MCQs

Which device operates at the Network Layer?

  • Hub
  • Switch
  • Router
  • Bridge
0 Comments
Correct Answer: C. Router

Explanation: The device that operates at the Network Layer of the OSI model is the Router.

Routers ... Read More Details

3 Computer Networking MCQs

What is the main data unit at the Network Layer?

  • Bit
  • Frame
  • Packet
  • Segment
0 Comments
Correct Answer: C. Packet

Explanation: The main data unit at the Network Layer of the OSI model is called a ... Read More Details

4 Computer Networking MCQs

What is the primary function of the Network Layer?

  • Media access control
  • Logical addressing and routing
  • Data encryption
  • Flow control
0 Comments
Correct Answer: B. Logical addressing and routing

Explanation:

The primary function of the Network Layer in the OSI model is to handle logical ... Read More Details

5 Computer Networking MCQs

Which of the following protocols helps prevent data collisions on Ethernet networks?

  • ARP
  • DNS
  • CSMA/CD
  • HTTP
0 Comments
Correct Answer: C. CSMA/CD

Explanation: CSMA/CD (Carrier Sense Multiple Access with Collision Detection) is a protocol used in traditional Ethernet ... Read More Details

6 Computer Networking MCQs

CRC (Cyclic Redundancy Check) is used for:

  • Address resolution
  • Error detection in frames
  • Data encryption
  • Routing
0 Comments
Correct Answer: B. Error detection in frames

Explanation: CRC (Cyclic Redundancy Check) is a technique used for error detection in data frames at ... Read More Details

7 Computer Networking MCQs

What is the role of the MAC sublayer in the Data Link Layer?

  • Encrypt data
  • Provide logical addressing
  • Control access to the physical medium
  • Manage sessions between hosts
0 Comments
Correct Answer: C. Control access to the physical medium

Explanation:

The MAC (Media Access Control) sublayer is one of the two parts of the Data ... Read More Details

8 Computer Networking MCQs

Which of the following is responsible for flow control and acknowledgment of frames?

  • MAC Sublayer
  • LLC Sublayer
  • Transport Layer
  • Application Layer
0 Comments
Correct Answer: B. LLC Sublayer

Explanation: The LLC (Logical Link Control) is a sublayer of the Data Link Layer in the ... Read More Details

9 Computer Networking MCQs

Which of the following is a protocol used at the Data Link Layer?

  • IP
  • TCP
  • ARP
  • PPP
0 Comments
Correct Answer: D. PPP

Explanation: PPP (Point-to-Point Protocol) is a protocol used at the Data Link Layer of the OSI ... Read More Details

10 Computer Networking MCQs

The Data Link Layer is divided into two sublayers. What are they?

  • MAC and LLC
  • IP and TCP
  • HTTP and FTP
  • SMTP and DNS
0 Comments
Correct Answer: A. MAC and LLC

Explanation:

The Data Link Layer in the OSI model is divided into two sublayers: MAC (Media ... Read More Details

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