Class 12 Computer Science Concept of Network and Data Communication Notes and Important Questions
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Notes for Class 12 Concept of Network and Data Communication (Computer Science) are shown above.
Practice
Important Questions
Which of the following IP address is wrong?
192.168.0.1
256.2.5.76
127.1.1.1
10.144.1.0
What is transmission medium? Explain its major types with advantages and disadvantages.
Which of the following is an example of a public IPV4 address?
192.168.1.1
172.16.10.1
10.10.10.10
203.0.113.10
Why do most business organizations prefer setting their network with the client-server architecture? Write its advantages and disadvantages.
Which protocol is used for secure communication over a computer network?
HTTP
FTP
HTTPS
Telnet
Explain twisted pair cable, coaxial cable and optical fibre cable.
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Exam
Past Question Analysis
Historical exam-pattern data from past NEB question papers — not a prediction of future questions.
10
Question Items
18
Total Marks
5
Papers Appeared In
| Year | Question Items | Marks |
|---|---|---|
| 2083 | 2 | 9 |
| 2082 | 2 | — |
| 2081 | 2 | — |
| 2080-supp | 2 | — |
| 2079 | 2 | 9 |
Also appears in 2 model questions (not counted above — model sets aren't actual NEB exam history).
This chapter explains how computers and devices communicate and exchange information over networks. It covers data communication components, transmission media, network types, topologies, networking devices, protocols, IP addressing and network architecture. Students also learn about client-server and peer-to-peer networks and different communication technologies.
This page covers Concept of Network and Data Communication, chapter 2 of 7 in the Class 12 Computer Science syllabus set by the National Examination Board (NEB). 11 important questions for this chapter are available, each with a full solution.
For numerical and derivation-based chapters like this one, working through past NEB questions is usually more useful than re-reading notes alone — try solving each important question above before checking the solution, then compare your working step by step.