1.What is Data Communication? Draw & Explain Data Communication Model.

nullpitNetworking and Communications

Oct 23, 2013 (3 years and 10 months ago)

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CHAPTER
-
1:

INTRODUCTION

1.

What is Data Communication? Draw & Explain Data Communication Model.



CHAPTER
-
2

DATA TRANSMISSION AND ITS MEDIA


1.

Define Transmission Media
& Explain Fiber Optic Cable in detail
.

2.

Explain Unguided Media.

3.

Explain guided transmission

media.

4.

Why coaxial cable is superior to twisted pair cable.

5.

Explain with neat sketch optical fiber cable. Also write its merits.

6.

Differentiate analog and digital transmission

7.

Explain wireless transmission.

8.

What is the relationship between propagation
speed and propagation time?

9.

Draw and briefly explain electromagnetic spectrum.



CHAPTER
-
3
DATA ENCODING


1.

Explain Encoding Techniques

2.

Explain pulse code modulation (PCM).

3.

Explain Basic Concepts of AM & FM

4.

Explain ASK encoding techniques.

5.

Explain Delta Modulation techniques in details

6.

Explain Frequency modulation (FM) in detail

7.

What is the major disadvantage of NRZ encoding? How do RZ encoding and bi
-
phase encoding attempt to solve the problem?

8.

Explain Amplitude modulation (AM) in detail.

9.

Explain Phase Shift Key (PSK) in detail.

10.

List the bi
-

polar encoding techniques and explain any two
.



CHAPTER
-

DATA COMMUNICATION INTERFACE


1.

What is network topology? Explain different types.

2.

What is interfacing? Explain ISDN.

3.

Explain various types of
Serial Data Transmission.

4.

Explain BRI and PRI interface in ISDN

5.

Explain simple, half duplex and full duplex system with example

6.

Explain asynchronous and synchronous transmission




CHAPTER
-
5 MULTIPLEXING



1.

Explain Time Division Multiplexing.

2.

Explain TDM Link control.

3.

Compare FDM and TDM techniques

4.

Explain Digital Carrier System.


CHAPTER
-
6 SWITCHING AND FRAME RELAY


1.

Explain Circuit Switching & Packet Switching.

2.

Compare packet switching and circuit switching.

3.

Explain Frame Relay.

4.

Explain Frame

Relay protocol architecture

5.

Discuss the frame relay physical layer


CHPATER
-
7 and 8

INCLUDING IMAGES
&

PROTOCOL AND ARCHITECTURE


1.

What is Protocol? & explain its parts.

2.

Explain OSI Layers.

3.

Differentiate TCP and OSI layer

4.

Explain network layer in TCP/IP

model.

5.

Explain duties of the transport layer in OSI reference model

6.

Explain the connectionless and connection oriented services.

7.

Explain ATM cell format in detail


Note: refer other questions from your assignment or GTU
-

exam paper.











By : Dhara
Kanzariya