P08EC62 Computer Communication Networks B.E Model Question Paper : pescemandya.org

Name of the College : P.E.S College of Engineering
University : Visvesvaraya Technological University
Department : Electronics and Communication Engineering
Subject Code/Name : P08EC62/COMPUTER COMMUNICATION NETWORKS
Degree : B.E
Sem : VI
Website : pescemandya.org
Document Type : Model Question Paper

Download Model/Sample Question Paper : https://www.pdfquestion.in/uploads/pescemandya.org/4681-ec_question%20paper.pdf

Computer Communication Networks Question Paper :

Sixth Semester B.E Degree Examination :
Duration : 3 hrs
Max. Marks : 100

Related : P.E.S College of Engineering P08EC61 Antennas & Wave Propagation B.E Model Question Paper : www.pdfquestion.in/4680.html

Note : Answer any FIVE full questions selecting at least two questions from each part.
PART-A :
1. a) What are the classes of packet switched networks? And distinguish between them? 07
b) Explain in detail nodal delays and end-to-end delay? 10
c) What is the difference between host and end systems? List-out the end systems? 03

2. a) Name the different architecher’s used in modern network application’s and explain each one? 10
b) Write the HTTP Required message format and explain all the fields? 07
c) List out FTP commands and Explain their use? 06

3. a) Explain Socket programming with TCP? 06
b) List out the popular internet applications and their underlying transport protocols? 06
c) Explain Go-Back-N (GBN) protocol? 08

4. a) Write the TCP segment Structure and explain? 08
b) Explain the congestion control with ATM ABR? 06
c) Consider sending an object of size O = 100k bytes from server to client. Let S = 536 bytes and RTT = 100msec. suppose the transport protocol uses static window with window size W.

i) For a transmission rate of 28kbps, determine the minimum possible latency. Determine the min window size that achieves this latency.
ii) Repeat (i) for 100kbps.
ii) Repeat (i) for 1Mbps.
iii)Repeat (i) for 10Mbps. 06

PART-B :
5. a) Explain router architecher? 05
b) Explain IPv4 datagram format? 08
c) How will the public internet, which is based on IPv4 be transitioned to IPv6? 07

6. a) Explain link state routing algorithm? 08
b) Explain Spanning tree Broadcast? 05
c) Explain OSPF intra- AS routing in the internet? 07

7. a) Explain Important of adapters in communication link? 07
b) Explain slotted ALOHA? 07
c) Consider the 4-bit generator G=[1001] and D=[10101010], Find the value of ‘R’ using CRC? 06

8. a) Describe the various vershions of CSMA protocol and CSMA/CD? 08
b) Explain PPP data framing? 06
c) Compare 10 Base T, 100 Base T and Gigabit Ethernet? 06

Syllabus :
UNIT – I :
Computer Networks and the Internet: What Is the Internet?, The Network Edge, The Network Core, Delay, Loss, and throughput in Packet–Switched Networks, Protocol Layers and their Service Models, History of computer networking and Internet.

UNIT – II :
Application Layer: Principles of Network Applications, The Web and HTTP, File Transfer: FTP, Electronic Mail in the Internet, DNS–The Internet’s Directory Service, P2P File Applications.

UNIT – III :
Transport Layer: Introduction and Transport– Layer Services, Multiplexing and De– multiplexing.
Connectionless Transport: UDP, Principles of Reliable Data Transfer, Connection– Oriented Transport: TCP.

UNIT – IV :
The Network Layer : Introduction, Virtual Circuit and Datagram Networks, What’s Inside a Router? The Internet Protocol (IP): Forwarding and Addressing in the Internet, Routing Algorithms, Broadcast and Multicast Routing

UNIT – V :
The Link Layer and Local Area Networks: Link Layer: Introduction and Services, Error– Detection and Correction Techniques Multiple Access Protocols Link–Layer Addressing, Ethernet Interconnections: Hubs and Switches. PPP: The Point–to–Point Protocol Link Virtualization: A Network as a Link Layer

Text Book :
“Computer Networks”, James F. Kurose and Keith W. Ross Pearson education, 5th Edition, 2013

Reference Books :
1. “Data Communication and Networking”, Behrouz Forouzan, TMH, 4th Edition
2. “Computer Networks”, A Top down Approach by Behrouz Forouzan, Firouz Mosharraf, McGraw–Hill.
3. “Data and Computer Communication”, William Stallings, PHI, 6th Edition

Course Outcomes :
After learning all the units of the course, the student is able to
01 Explain the concept of internet infrastructure and services offered. – L1 (Unit – I)
02 Calculate the Delay & loss in packet– switched networks. – L4 (Unit – I)
03 Describe the Web, HTTP, FTP, Electronic Mail, SMTP, POP3, IMAP and DNS. – L1 (Unit – II)

04 Explain TCP and UDP transport layer protocol principles. – L3 (Unit – III)
05 Discuss the VCN,DGN’s and network layer protocols with IPV4 and IPV6 formats.- L3(Unit-IV)
06 Discuss network layer services, Access protocols, Ethernet hubs, switches and PPP virtualization.-L2(Unit-V)