ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD

bonkburpsNetworking and Communications

Oct 23, 2013 (3 years and 7 months ago)

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ALLAMA IQBAL OPEN UNIVERSITY, ISLAMABAD

(Department of Computer Science)


Course:
Data Communication and Network

(
3584/
3429)

Semester:
Autumn
, 2010

Level: Post Graduate

Total Marks: 100


Pass Marks:
5
0


WARNING

1.

PLAGIARISM

OR HIRING OF GHOST WRITER(S) FOR
SOLVING
THE ASSIGNMENT(S) WILL DEBAR THE STUDENT FROM AWARD
OF DEGREE/CERTIFICATE, IF FOUND AT ANY STAGE.

2.

SUBMITTING ASSIGNMENTS BORROWED OR STOLEN FROM
OTHER(S) AS ONE’S OWN WILL BE PENALIZED AS DEFINED IN
“AIOU PLAGIARISM POLICY”.


ASSIGNMENT No
.

1


Note
:

Attempt all question.
A
ll questions carry equal marks.


Q. 1

What do you mean by communication signal? Elaborate the types of signal.

(10)


Q. 2

Define communication model
.

Also explain the various components of
communication model.

(
1
0)


Q. 3

What is mo
dulation? Describe the various types of modulation with the help of
examples.

(
1
0)


Q. 4

What is network topology? Elaborate different types of topologies used in
designing the layout of network.

(
1
0)


Q. 5

What do you know about the management of a networ
k system? Explain the
various application and services provided by network system.

(
1
0)


Q. 6

What is protocol? Define the OSI stack model in detail.

(10)


Q. 7

Differentiate between 7 layers model and that of TCP/IP suite.

(10)


Q. 8

What do you know abou
t the transmission system? Also explain the different
types of impairments occurred in the communication system.

(10)


Q. 9

What is media? Explain the guided and unguided media in detail.

(10)


Q. 10

Explain the term interface. What the role of data termin
al equipment and data
terminal communication equipment in the communication system?

(10)



2

ASSIGNMENT No
. 2

Total Marks: 100

Pass Marks: 50



A
ll questions carry equal marks.


Q. 1

How can you define the term multiplexing with respect to communication
sys
tem? Also give detail of its various types.

(10)


Q. 2

What is the purpose of flow control? Elaborate the various types of techniques
used for flow control.

(10)


Q. 3

How can we maintain the communication system accuracy regarding data
transmission? Expla
in the various types of technologies used for error control.

(10)


Q. 4

Describe the importance and characteristics of Ethernet and Fast Ethernet with
respect to data transmission, delay, attenuation, and cost.

(10)


Q. 5

Suppose you are hired as network e
ngineering in an organization and you are
given the task to device the network structure of the organization. State you
strategy in detail.

(10)


Q. 6

What do you mean by network disaster? What techniques are used for recovery?
Elaborate.

(10)


Q. 7

Differ
entiate between FDDI and High Speed Ethernet with respect to data
transmission, disaster recovery, and budget.

(10)


Q. 8

How important are the communication media? Describe the purpose of direct and
cross over cable.

(10)


Q. 9

Define ISDN. Elaborate the
characteristics of ISDN with respect to data
transmission in communication system.

(10)


Q. 10

What is difference between ATM and Frame Relay? Also describe it importance
with in the data communication.

(10)

3


COURSE OUTLINES

Data Communication & Network
35
84
(
old
3429)


Recommended Books:

(1)

Data and Computer Communication by William Stallings 5
th

Edition

(2)

Computer Networks by Tanenebaum 3
rd

Edition


Unit

1
:

Data Communication Concepts


Communication Model, Communication Tasks, Types of Signal and Data,
Bandwid
th and Channel Capacity, Point to Point and Multi Point Link,
Simplex, Half Duplex, and
F
ull Duplex Transmission, Modulation,
Demodulation.


Unit

2
:

Computer Networking Concepts

(a)

LAN, WAN, MAN

(b)

Logical & Physical Topology of Network

(c)

LAN Topologies (Bus, Tree
, Star, Ring)

(d)

Network Application and Services

(e)

Network Models


Unit

3
:

Protocols, OSI Reference Model and TCP/IP Protocol Suite

(a)

Protocols and
it
s
c
omponents

(b)

OSI Reference Model

(c)

TCP/IP Suit


Unit

4
:

Transmission Impairments and Transmission Media


(a)

Tran
smission Impairments (Attenuation, Delay Disaster, Noise)



(b)

Guided Media (Twisted Pair, Coaxial Cable, Optic Fiber)


(c)

Unguided Media (Wireless Transmission & Satellite)


(d)

Practical *


Unit

5
:

Data Communication Interface and Multiplexing

(a)

A system

and System Transmission

(b)

Inter facing of DTE & DCE

(c)

Frequency
d
ivision
m
ultiplexing

(d)

Time
d
ivision
m
ultiplexing


Unit

6
:

Data Link Control

(a)

Flow Control (Stop & Wait Flow Control, Sliding Window Flow
Control)

(b)

Error Control (Error Detection, Parity Technique,
CRC Technique, Error
Correction (Stop & Wait ARQ))



4


Unit

7
:

LAN Technologies and Systems

(a)

LAN Architecture

(b)

Ethernet and FAST Ethernet LANS (CSMA/CD)

(c)

Token Ring Network

(d)

FDDI

(e)

High Speed Ethernet (Gigabit LANS)


Unit

8
:

Disaster Recovery and System Configura
tion

(a)

Disaster Recovery (Data Protection Techniques, system Failures
protection Techniques)

(b)

System Configuration (Installing and Configuring Network Devices
(Modern and NIC), Network Configuration and Administration)

(c)

Practical **


Unit

9
:

Inter Network Devi
ces and WAN Services

(a)

Bridges

(b)

Routing

(c)

Circuit Switching Network

(d)

Packet Switching Network

(e)

ISDN Links

(f)

ATM and Frame Relay


*

The institution should arrange the following to make and test UTP Cable
from the students used in star topology


(a)

Direct Cable



(b
)

Cross over Cable


**

The Institution should arrange the following labs:

(a)

Install
n
etwork OS and
c
onfiguration of
n
etwork
d
evices.

(b)

Managing user
a
ccounts and
u
ser
r
ights
.