Lecture - 07 Data communication (CS601)

Lecture - 07 Data communication (CS601)



This is the Lecture # 07 Data communication (CS601) form Virtual University.
Main topics covers in this Lecture are:

Frame relay and ATM machine,
curency exchange,
how ATM works,
How ATM network are busy in rush hours,
Encapsulation and decapsulation techniques used in networking
What is OSI model,
What is data structure and data architecture
Metropolitan area networks MANs
Designed and extended over the city
internet and Internet , differences is
internet is used for specified combination of networks
and
Internet is used for world wide Network
OSI model is not a protocol
What is the purpose of OSI model
communication between different systems without changing any hardware or software to that particular system under question
header and trailers

1. Data communication and networking 2nd edition by Behrouz A. Forouzan
2. Data and computer communication 6th edition by William Stalling

Lecture - 06 Data communication (CS601)

Lecture - 06 Data communication (CS601)



This is the Lecture # 06 Data communication (CS601) form Virtual University.
Main topics covers in this Lecture are:
Ring Topology
Signal is passed in one direction from link to link until it reached the destination.
Easy to install and reconfigure
if one device does not give signal in set time limits an alarm is generated for operator to check it.
Hybrid topology
transmission mode
simplex mode
mainframe
communication in unidirectional
keyboard monitors are input and output devices
half duplex mode
full duplex
categories of network LANs,WANs,MANs
size of lan depends upon the requirements of organization
LAN can work on a few kilometers KM
Share resources between personal computer and network


1. Data communication and networking 2nd edition by Behrouz A. Forouzan
2. Data and computer communication 6th edition by William Stalling