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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 Basic Computer MCQs

When one computer provides services to another computer, this concept is known as ?

  • Do main
  • Client/Server
  • Master Slave
  • None of these
0 Comments
Correct Answer: B. Client/Server

Explanation:

In computer networks, the client-server model is a common way to structure communication ... Read More Details

2 Computer Networking MCQs

What is the primary function of Firewall in computer networks?

  • To prevent/block unauthorized access
  • To block viruses
  • To speed up network traffic
  • None of these
0 Comments
Correct Answer: A. To prevent/block unauthorized access

Explanation:

The primary function of a firewall in computer networks is to prevent or block unauthorized ... Read More Details

3 Computer Networking MCQs

A network of computers spread across the world is called?

  • LAN
  • Intranet
  • Internet
  • None of these
0 Comments
Correct Answer: C. Internet

Explanation:

Internet. It is a global network that connects millions of computers and devices around the ... Read More Details

4 Computer Networking MCQs

Which of the following protocols is used for secure web browsing?

  • HTTPS
  • HTTP
  • FTP
  • None of these
0 Comments
Correct Answer: A. HTTPS

Explanation:

HTTPS stands for HyperText Transfer Protocol Secure. It is the protocol used for secure web ... Read More Details

5 Computer Networking MCQs

Which of the following is the fifth layer of the OSI model?

  • Session
  • Application
  • Transport
  • None of these
0 Comments
Correct Answer: A. Session

Explanation:

The fifth layer of the OSI model is the Session Layer. It helps start, manage, ... Read More Details

6 Computer Networking MCQs

Which of the following is the fastest communication mode?

  • Simplex
  • Full Duplex
  • Half Duplex
  • None of these
0 Comments
Correct Answer: B. Full Duplex

Explanation:

The fastest communication mode is Full Duplex. In this mode, data can be sent and ... Read More Details

7 Computer Networking MCQs

The four numbers in an IP address is called?

  • Octal
  • Octets
  • Bytes
  • None of these
0 Comments
Correct Answer: B. Octets

Explanation:

The four numbers in an IP address are called octets. Each number is 8 bits ... Read More Details

8 IT Abbreviations MCQs

LAN stands for?

  • Local Area Network
  • Large Area Network
  • Logical Access Network
  • Limited Access Network
0 Comments
Correct Answer: A. Local Area Network

Explanation:

LAN stands for Local Area Network. It is a network that connects computers and devices ... Read More Details

9 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

10 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

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