Exam Details

Subject Data Communication and Computer Networks
Paper
Exam / Course Post Graduate Diploma in Computer Application (PGDCA)/ Advance Diploma inComputer Applications (ADCA) / Masters in Computer Applications (MCA)
Department School of Computer and Information Sciences (SOCIS)
Organization indira gandhi national open university
Position
Exam Date December, 2016
City, State new delhi,


Question Paper

Explain various types of analog-to-analog modulation techniques with suitable examples.

If a binary signal is sent over a 5-kHz channel whose signal to noise ratio is 20 dB, what is the maximum achievable data rate?

Differentiate between stream ciphers and block ciphers with the help of examples.

Draw unipolar encoding and RZ encoding for the following bit stream:
01001100

What is sliding window protocol? How is the size of window decided

Consider a signal where the amplitude varies from 6·4V to -6·4V. If we want to quantise it into 64 levels, what would be the quantised value corresponding to the signals of -3·6 V and 0·88 V.

Explain Rijndael cipher in detail.

Explain CFB (Cipher Feedback) and OFB (Output Feedback) in detail.

Explain the concept of selective repeat ARQ.

Describe link state routing protocol.

Describe the concept of Remote Procedure Call in detail.

What is Binary Exponential Back-off algorithm? How is it used in CSMA/CD

State the problems found in distance vector routing.

What is the difference between frequency division multiplexing and time division multiplexing

Explain the working of MACAW protocol.

Explain how Radio communication differs from Satellite communication.

What do you mean by Quality of Service?


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

  • Accounting and Financial Management
  • Advanced Database Design
  • Advanced Discrete Mathematics
  • Advanced Internet Technologies
  • Artificial Intelligence and Knowledge Management
  • Communication Skills
  • Computer Graphics and Multimedia
  • Computer Organisation & Assembly Language Programming
  • Data and File Structure
  • Data Communication and Computer Networks
  • Database Management System
  • Database Management Systems
  • Design and Analysis of Algorithm
  • Discrete Mathematics
  • Elements of Systems Analysis & Design
  • Numerical and Statistical Computing
  • Object Oriented Analysis and Design
  • Object Oriented Technologies and Java Programming
  • Operating System Concepts and Networking Management
  • Operating Systems
  • Parallel Computing
  • Principles of Management and Information Systems
  • Problem Solving and Programming
  • Software Engineering
  • Systems Analysis and Design