Subject question bank

Computer Network Questions for Exams

Prepare for semester exams using important questions, numericals, viva questions and unit-wise questions.

Your university

Open Computer Network for your university, course and semester

U1 Introduction to Computer Network U2 Medium Access sub layer (Data Link Layer) U3 Network Layer U4 Transport Layer U5 Application Layer
U

Unit-wise questions

Unit 1

Introduction to Computer Network

Open unit →
  1. What is Computer Network? Application of Computer Networks
  2. Write the different Uses of Computer Networks
  3. Explanation of 7 Layer of OSI model in Computer Network
  4. Explanation of TCP/IP Protocol Layer with Diagram
  5. Which OSI layer performs the following activities:(a) Error detection and correction (b) Routing (c) Responsibility for delivery between adjacent nodes (d) Reliable process to process data transmission
  6. Topology in Computer Network: Advantage and Disadvantage of Topology
  7. Comparison between OSI Model and TCP/IP Model
  8. Explanation of transportation media or transmission media
Unit 2

Medium Access sub layer (Data Link Layer)

Open unit →
  1. What is ALOHA? Explain pure ALOHA and slotted ALOHA.
  2. What do you mean by channel allocation? Explain.
  3. What do you mean by Manchester? Sketch the Manchester and differential Manchester for bit stream:0001110101.
  4. Write a short note on carrier sense multiple access(CSMA).
  5. Discuss the carrier sense protocol. How it is differ from collision free protocol.
  6. Explain the concept of FDDI. How FDDI ring can be used as a backbone to connect LAN’s and computers? Also , Discuss FDDI cabling in Brief.
  7. What is IEEE 802.3 standard? Explain.
  8. What is IEEE 802.4 standard? Explain.
Unit 3

Network Layer

Open unit →
  1. What is network layer? Explain.
  2. Write the basic design issue of a network layer.
  3. What is routing algorithm? Explain adaptive and non-adaptive routing algorithm.
  4. Write the various type of routing algorithm.
  5. What is meant by unicast and multicast routing? Explain with suitable diagram.
  6. Explain distance vector routing algorithm with the help of an example.
  7. Explain the link state routing algorithm.
  8. Explain path vector routing algorithm.
Unit 4

Transport Layer

Open unit →
  1. What is transport layer? Explain in brief.
  2. Draw the diagram of TCP header and explain the use of following: Source and destination port address.
  3. Sequence and acknowledgement numbers.
  4. Code bits 4. Window bits 5. Urgent pointer.
Unit 5

Application Layer

Open unit →
  1. What is Application Layer? Explain.
  2. Write a note on FTP. Also write its advantage and disadvantage.
  3. How does FTP work? Differentiate between passive and active FTP.
  4. Write a note on HTTP. Also write its advantage and disadvantage.
  5. Write a note on email.
  6. Explain about e-mail architecture and service.
  7. Classify the e-mail program.
  8. Explain different basic functions that e-mail system supports.