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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

Which of the following is an advantage of networking?

  • Increased data redundancy
  • Increased software costs
  • Centralized data access
  • Manual data transfer
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Correct Answer: C. Centralized data access

Explanation: The correct advantage of networking is Centralized data access. In a network, all users can ... Read More Details

2 Computer Networking MCQs

What is the main purpose of computer networking?

  • To play games
  • To connect printers to computers
  • To share resources and information
  • To monitor systems only
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Correct Answer: C. To share resources and information

Explanation: The main purpose of computer networking is to share resources and information between computers and ... Read More Details

3 Computer Networking MCQs

Which of the following is a connectionless protocol?

  • TCP
  • HTTP
  • FTP
  • UDP
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Correct Answer: D. UDP

Explanation: UDP (User Datagram Protocol) is a connectionless protocol. It sends data without making a connection ... Read More Details

4 Computer Networking MCQs

What is the purpose of a firewall in a network?

  • Boost signal strength
  • Prevent unauthorized access
  • Convert IP to MAC
  • Format data packets
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Correct Answer: B. Prevent unauthorized access

Explanation: A firewall is a security system that helps prevent unauthorized access to or from a ... Read More Details

5 Computer Networking MCQs

Which command is used to test network connectivity?

  • ipconfig
  • ping
  • route
  • netstat
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Correct Answer: B. ping

Explanation: The ping command is used to check if a device is connected to a network ... Read More Details

6 Computer Networking MCQs

A MAC address is associated with which hardware?

  • Monitor
  • Hard Disk
  • Network Interface Card (NIC)
  • RAM
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Correct Answer: C. Network Interface Card (NIC)

Explanation:

A MAC address (Media Access Control address) is a unique ID assigned to the Network ... Read More Details

7 Computer Networking MCQs

Which protocol provides reliable communication using acknowledgements?

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

Explanation: TCP (Transmission Control Protocol) is a connection-based protocol that provides reliable communication. It uses acknowledgements ... Read More Details

8 Computer Networking MCQs

Which IP address range is reserved for private networks?

  • 192.0.0.0 – 192.255.255.255
  • 10.0.0.0 – 10.255.255.255
  • 172.0.0.0 – 172.255.255.255
  • 8.8.8.8 – 8.8.8.9
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Correct Answer: B. 10.0.0.0 – 10.255.255.255

Explanation: The IP range 10.0.0.0 – 10.255.255.255 is reserved for private networks. These IPs are not ... Read More Details

9 Computer Networking MCQs

Which topology uses a central hub to connect all devices?

  • Bus
  • Ring
  • Mesh
  • Star
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Correct Answer: D. Star

Explanation: Star topology is the type of network where all devices are connected to a central ... Read More Details

10 Computer Networking MCQs

In networking, what is the function of a DNS server?

  • Converts IP to MAC address
  • Converts domain names to IP addresses
  • Sends data to the next hop
  • Encrypts outgoing messages
0 Comments
Correct Answer: B. Converts domain names to IP addresses

Explanation: A DNS (Domain Name System) server is used to convert domain names into IP addresses. ... Read More Details

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