Question Bank for Computer Networks for Class 12 Computer Science(083)

 

Question Bank for Computer Networks

• What is a computer network?
  Define the interconnection of multiple devices sharing resources (files, Internet, printers, etc.) 

• Mention any two main advantages of using a network of computing devices.
  E.g., Resource sharing and cost reduction.

• Compare SMTP and POP3 protocols.
  SMTP is used for sending emails; POP3 is used for receiving emails .

• Explain the role of TELNET in remote server access.
  Telnet allows remote login to a computer using TCP/IP, functioning like a virtual terminal.

• What is VoIP, and how does it function?
  Voice over Internet Protocol converts analog voice into digital packets sent via the Internet.

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• What is a computer network?
  A set of interconnected computers sharing resources on or via network nodes 

• Who are considered the creators of the Internet?
  Vinton Cerf and Bob Kahn .

• In which year was ARPANET formed?
  1969.

• What is the full form of NSFNET?
  National Science Foundation Network.

• Which project is considered the foundation of the Internet?
  ARPANET .

• Name the first web browser.
  World Wide Web, created by Tim Berners-Lee in 1990.

• Which protocol became the foundation of the Internet?
  TCP/IP – Transmission Control Protocol/Internet Protocol.

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From CBSE Cert Solutions – Device-Based Short Answers

• Which device is used to connect dissimilar networks?
  A gateway connects networks with different structures and can serve as a proxy and firewall.

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Summary Table: Practice-Based (CBSE-Pattern) Questions

Question	Answer / Notes
Define a computer network.	A set of interconnected devices sharing resources.
List two advantages of networks.	Resource sharing; cost reduction.
Compare SMTP and POP3.	SMTP → sending mail; POP3 → receiving mail.
Role of TELNET.	Remote login via TCP/IP network.
Explain VoIP.	Voice converted into packets and sent over the Internet.
Who invented the Internet?	Vinton Cerf & Bob Kahn.
Year ARPANET formed.	1969.
Full form of NSFNET.	National Science Foundation Network.
Foundation project of Internet.	ARPANET.
First web browser.	World Wide Web (Tim Berners-Lee, 1990).
Foundation Internet protocol.	TCP/IP.
Device connecting dissimilar networks.	Gateway.