Institute of Technology & Engineering
Indus University
Subject Name : Computer Network Semester : 5th
Subject code : CE0518 Department: CE/IT/CSE
Unit : 1,2,3,4 A/C Year : 2023/24
Question Bank
Unit 1
Introduction to Computer Networks, Data Link Layer
Q.1 What is network topology?Explain different typesof network topology.
Q.2 What is bit and byte stuffing? Explain with example.
Q.3 Explain CRC code generation with example
Draw the OSI reference model. Explain the functionality of each layer in
Q.4
brief.
Give differences between Connection oriented versus Connection less
Q.5
services
Explain functionality of Repeater, HUB, Bridge, Switch, Router and
Q.6
Gateway.
Q.7 Describe Go Back N and Selective Repeat protocol.
Q.8 Discuss the parity checks for error detection in data transfer.
What are the issues of stop and wait protocol? How selective repeat
Q.9
protocol resolvesissues of stop andwait protocol?
Discuss different types of guided and unguided media used totransmit
Q.10
data in network.
Q.11 What is Hamming Code? Explain how it is useful in error correction.
What is the difference between error detection and correction? Explain
Q.12 any
One error correction technique with suitable example.
Q.13 Explain TCP/IP Reference Model. Compare TCP/IP with OSI Model
Q.14 Compute CRC for a data sequence 10110111 for which the generator is
110011.
Q.15 What are the reasons for using layered protocols in networks?
Q.16 What is the purpose of cladding in an optical fiber? Discuss its density
relative to the core.
Q.17 What is Computer Networks? How is it differing from distributed
system?
Q.18 Explain Error Correction Codes at data link layer.
Q.19 Explain different types of Errors?
Q.20 Explain the simplex protocol for noisy channels.
Explain one bit sliding window protocol. Explain one bit sliding window
Q.21
protocol.
What kinds of errors can vertical redundancy check determine? What
Q.22 kind
of errors it cannot determine?
Q.23 Explain framing and design issues in data link layer.
Q.24 Let the given data bits are 00111001. Compute the hamming code.
Q.25 Given a 6-bit data pattern 100100 and a divisor of 1101, answer the
following.
i. What will be the dividend at the sender end?
ii. Determine the CRC.
iii. What will be the transmitted data sequence?
iv. What will be remainder at receiver end (assuming no error) ?
Unit 2
Medium Access Sub-layer
Q.1 Name and categorizes different multiple access protocols.
Q.2 Compare and explain the pure and slotted ALOHA system.
Q.3 Explain different CSMA protocols
Q.4 What is CSMA/CA?
Q.6 Explain Manchester encoding for the bit stream 1001110100.
Q.7 How CSMA/CA differs from CSMA/CD. Explain in brief
Q.8 Explain Reservation, Token Passing and POLLING.
Q.9 Explain Binary back off algorithm.
Q.10 Explain controlled Access protocols
Q.11 Compare static vs dynamic channel allocation.
Unit-3
Network Layer
Q.1 Compare datagram subnet and virtual circuit subnet.
Q.2 Differentiate adaptive and non adaptive algorithm.
Q.3 Explain shortest path routing algorithm.
Q.4 Explain leaky bucket algorithm.
Q.5 Compare IPv4 & IPv6.
Q.6 What is meant by congestion? List the ways of avoiding congestion.
Q.7 What is flooding? What are its disadvantages?
Q.8 Explain about the IP Header.
Q.9 Explain IP addressing method.
Define routing & explain distance vector routing and link state
Q.10
routing.
Q.11 Explain Choke packets, Load shedding, Jitter control.
Q.12 Explain subnetting.
Q.13 Write a note on ICMP.
Q.14 Write a note on RIP.
Q.15 Write a note on OSPF.
Q.16 Differentiate Distance vector routing & Link state routing
Q.17 To solve the examples related to identify netid, hostid, subnet mask.
Q.18 What is extension in IPv6 than IPv4?
Q.19 Explain internetworking.
Q.20 What is firewall? Why it is used? Explain its working.
Q.21 Explain flow based routing
Q.22 Explain shortest pat routing algorithm.
Q.23 Explain IPv6.
Q.24 Draw and explain IPv4 header
Q.25 Compare Classful and classless IP address.
Q.26 Explain ARP protocol.
Q.27 Write a note on working of ICMP protocol.
Q.28 With a real time scenario explain IP addressing and subnetting.
Q.29 Compare distance vector routing and link state routing
Q.30 Explain Flooding.
Unit-4
Transport Layer, Application Layer
Q.1 Define the socket. List the types of sockets.
Q.2 List the duties of the transport layer and explain each in brief.
Q.3 Compare UDP & TCP.
Q.4 What is meant by congestion?
Q.5 What is function of transport layer?
Q.6 Give the structure of UDP header.
Q.7 Explain TCP header and the working of the TCP protocol.
Q.9 Explain world wide web.
Q.10 Explain HyperText Transfer Protocol.
Q.11 Explain the SMTP.
Q.12 Write a note on DNS.
Q.13 Explain about HTTP.
Q.14 Write short notes on FTP.
Q.15 Write short notes on FTP.
Q.16 Explain internet transport protocol.
Q.17 Explain TCP segment header.
Difference between absolute domain name and relative domain
Q.18
name.
Q.19 What is domain name system?
Q.20 Explain about MIME.
Q.21 Explain Principle of Congestion Control
Q.22 Draw and explain TCP Header.
Q.23 Draw and explain UDP Header.
Q.24 Difference between leaky bucket and token bucket.
Q.25 Explain with example working of DHCP
Q.26 Explain Leaky Bucket algorithm.
