Exam Details

Subject Computer Networks
Paper
Exam / Course B.Tech In Computer Science And Engineering (BTCSVI)
Department School of Engineering & Technology (SOET)
Organization indira gandhi national open university
Position
Exam Date December, 2016
City, State new delhi,


Question Paper

No. of Printed Pages: 2 IBICS-OI7I
B.Tech. -VIEP -COMPUTER SCIENCE AND
ENGINEERING (BTCSVI)
Term-End Examination
December, 2016

UU3B...:5
BICS-O17 COMPUTER NETWORKS
Time hours Maximum Marks: 70
Note: Attempt any seven questions. All questions carry equal marks.

1. Why do HTTP, SMTP and POP protocols run on top of TCP rather than UDP 4

What is the difference between persistent HTTP with pipelining and persistent HTTP without pipelining Which of the two is
used by HTTP/1.1 6

2. How does DNS work? Briefly explain. 6

Give two examples of delay sensitive but loss tolerant multimedia applications over the Internet. 4

3. How does TCP's congestion control algorithm operate? Explain with the help of a diagram. 10

4. What is the purpose of a distance table in the· distance vector routing protocol Write the distance vector touting algorithm and explain the algorithm. 10

5. How does OSPF operate as an interior gateway routing protocol Explain with the help of a diagram. 10

6. Draw a TCP segment format and describe the purpose of the following fields 10

Sequence number

Header length

SYN flag

Window size

7. How many networks can each IP address class B and C have? Also find the number of hosts per network in each given address class. 6

Define the following terms: 4

Packet loss

Network bandwidth

8. How does a public key system operate Give all the relevant steps. 5

What is the man-in-the-middle attack? Can this attack occur when symmetric keys are used? 5


Departments

  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • Centre for Corporate Education, Training & Consultancy (CCETC)
  • National Centre for Disability Studies (NCDS)
  • School of Agriculture (SOA)
  • School of Computer and Information Sciences (SOCIS)
  • School of Continuing Education (SOCE)
  • School of Education (SOE)
  • School of Engineering & Technology (SOET)
  • School of Extension and Development Studies (SOEDS)
  • School of Foreign Languages (SOFL)
  • School of Gender Development Studies(SOGDS)
  • School of Health Science (SOHS)
  • School of Humanities (SOH)
  • School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
  • School of Journalism and New Media Studies (SOJNMS)
  • School of Law (SOL)
  • School of Management Studies (SOMS)
  • School of Performing Arts and Visual Arts (SOPVA)
  • School of Performing Arts and Visual Arts(SOPVA)
  • School of Sciences (SOS)
  • School of Social Sciences (SOSS)
  • School of Social Work (SOSW)
  • School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
  • School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
  • School of Translation Studies and Training (SOTST)
  • School of Vocational Education and Training (SOVET)
  • Staff Training & Research in Distance Education (STRIDE)

Subjects

  • Advanced Computer Architecture
  • Artificial Intelligence
  • Computer Architecture
  • Computer Networks
  • Computer Organisations
  • Cryptography And Network Security
  • Data Structure
  • Data Warehousing And Mining
  • Database Management System
  • Design and Analysis of Algorithm
  • Digital Image Processing
  • Discrete Maths Structure
  • E-Business
  • Formal Language And Automata
  • Logic Design
  • Microprocessor
  • Mobile Computing
  • Object Oriented Programming
  • Operating Systems
  • Parallel Algorithms
  • Pattern Recognition
  • Principles of Programming Lang.
  • Real Time Systems
  • Software Engineering
  • Software Quality Engineering
  • Software Reusability
  • System Programming And Compiler Design
  • Theory Of Computation
  • Unix Internals And Shell Programming
  • Web Technology