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Computer Networking MCQs

Study important topics of Computer Networking step by step with our well-organized Networking MCQs at JobExams. These questions cover IP Addressing, OSI Model, TCP/IP, network devices (like routers and switches), types of networks (LAN, WAN, MAN), protocols, and commands like ipconfig and many more. These MCQs are very helpful for IT-related job tests such as PPSC, NTS, FPSC, SPSC, BPSC, CSS, and for students preparing for computer science exams and interviews.

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1 Computer Networking MCQs

What is the main responsibility of the Transport Layer?

  • Physical signal transmission
  • Error correction on frames
  • Reliable data delivery and flow control
  • Routing of packets
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Correct Answer: C. Reliable data delivery and flow control

Explanation:

The Transport Layer (Layer 4 of the OSI model) is mainly responsible for reliable data ... Read More Details

2 Computer Networking MCQs

In the OSI model, which layer determines the best logical path for data delivery?

  • Data Link Layer
  • Transport Layer
  • Session Layer
  • Network Layer
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Correct Answer: D. Network Layer

Explanation: In the OSI model, the Network Layer is responsible for selecting the best logical path ... Read More Details

3 Computer Networking MCQs

What type of routing is based on pre-defined paths in routers?

  • Dynamic Routing
  • Static Routing
  • Distance Vector Routing
  • Link State Routing
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Correct Answer: B. Static Routing

Explanation: Static Routing is a type of routing where paths are manually set up and configured ... Read More Details

4 Computer Networking MCQs

Which protocol is responsible for reporting errors and diagnostics in the Network Layer?

  • ICMP
  • UDP
  • FTP
  • TCP
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Correct Answer: A. ICMP

Explanation:

The protocol responsible for reporting errors and diagnostics in the Network Layer is ICMP (Internet ... Read More Details

5 Computer Networking MCQs

Which of the following tasks is handled by the Network Layer?

  • Segment sequencing
  • Routing packets between networks
  • Media access control
  • Session termination
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Correct Answer: B. Routing packets between networks

Explanation:

The main task handled by the Network Layer in the OSI model is routing packets ... Read More Details

6 Computer Networking MCQs

What is the purpose of the ARP protocol in networking?

  • Converts MAC address to IP address
  • Converts domain name to IP address
  • Converts IP address to MAC address
  • Converts MAC address to hostname
0 Comments
Correct Answer: C. Converts IP address to MAC address

Explanation:

The ARP (Address Resolution Protocol) is used in networking to convert an IP address to ... Read More Details

7 Computer Networking MCQs

Which addressing scheme is used at the Network Layer?

  • Port numbers
  • MAC addresses
  • IP addresses
  • Domain names
0 Comments
Correct Answer: C. IP addresses

Explanation:

The addressing scheme used at the Network Layer of the OSI model is the IP ... Read More Details

8 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

9 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

10 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

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