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Communication
Viva Voce Questions
1. What is a network?
Ans. A network is a group of autonomous computers that connect via a shared network media.
2. What is a node in a network?
Ans. A node is a computer that is connected to a network.
3. What so you mean by a server?
Ans. A server is a computer that allows data, software, and hardware resources to be shared across a network.
4. What is circuit switching?
Ans. Circuit switching is a communication technology that establishes a dedicated and complete physical link
between two nodes.
5. What is a channel in a network?
Ans. A channel is a medium that allows a message to be sent from one location to another.
6. What is LAN?
Ans. A network in which the devices are connected over a relatively short distance is known as a local area network
(LAN).
7. What is RJ-45?
Ans. RJ-45 is an eight-wired connector for connecting computers on a local area network.
8. What is a switch?
Ans. A switch is a small piece of hardware that connects many computers in a LAN.
9. What is a protocol in networking?
Ans. A protocol is a collection of rules that two or more machines on a network must follow in order to
communicate.
10. What is a firewall?
Ans. A firewall is a network security mechanism that is either hardware or software based.
11. What do you mean by hacking?
Ans. Hacking was a phrase used to describe people who engage in inoffensive technology experiments and
educational activities.
12. What is a website?
Ans. A website is a collection of web pages that convey information about a specific company, organisation, or
product.
13. What do you mean by a tag in HTML?
Ans. A tag is a formatting specification that directs a web browser how to display the information it marks up or
encloses (text, picture, video, audio, and so on).
Communication
Viva Voce Questions 397

