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CS2363 Computer Networks Handwritten Scanned Lecture Notes - Lavanya Edition
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Computer Networks Premium Lecture Notes, Prepared by Lavanya. Specially for Engineering Candidates. Syllabus Covered based on Anna University B.E Electrical and Electronics Engineering Sixth Semester.



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Syllabus :
COMPUTER NETWORK

UNIT-1 (pg.no-1-36)
INTRODUCTION OF NETWORK

UNIT-2 (pg.no 37-56)
INTERNET PROTOCOL

UNIT-3 (pg.no 57-72)
NETWORK LAYER

UNIT-4( pg.no 74-80)
SECURITY PERFORMANCE

UNIT-5 (pg.no 81-100)

Content :
UNIT-1

INTRODUCTION OF NETWORK
Network architecture
Layer architecture
Protocol hierarchy
Interface and services
Service access point
ISO and OS reference model
1.       Physical layer
2.       Data link layer
3.       Network layer
4.       Transport layer
5.       Session layer
6.       Presentation layer
7.       Application layer
TCP IP layer
Physical layer
Data link layer
Physical addressings
Network layer
Transport layer
Network performance
Network classification
Network topology
1.       Mesh topology
2.       Star topology
3.       Ring topology
4.       Bus topology
Direct link network
1.       Encoding line coding
2.       Pulse rate and bit rate
3.       DC component
Line code schemes
Frames
Operation modes of HDLC
1.       Normal response mode
2.       Asynchronous balanced mode
Types of frames
1.       Unnumbered frames
2.       Information frames
3.       Supervise frames
Error detection and correction
Checksum
Error control
Ethernet
Gigabit Ethernet
Token ring
Token passing
Types of connecting devices
Types of bridges
1.       Transport bridges
2.       Multiport bridges
3.       Sources routing bridges
Data frame format
Wireless network
Wireless transmission
1.       Radio wave
2.       Microwave
3.       Infrared

UNIT-2

INTERNET PROTOCOL
IP service model
Datagram pocket format
IP fragmentation and reassembly
Datagram forwarding
Global address
Two types of address scheme
IP addresses representation
ICMP message architecture
Error reporting message claffication
Encapsulation
Leasing
Next HOP routing
Network specific routing
Default routing
Static and dynamic routing
Classful addressing
CIDR
Routing algorithm
Subneting

UNIT-3

NETWORK LAYER
UDP
Port number
User datagram
Source port number
UDP application
Stream delivery
Bits and segments
Full deplex services
TCP segments formats
TCP connection
TCP state transition diagram
Congestion control method
Closed loop congestion control
Flow and error control
Stop and wait ARQ

UNIT-4

SECURITY PERFORMANCE
Authentication
Data integrator
Advantages
SSH implementation
Compression techniques
Huffman lodes
Adaptive codes
Shanon fano coding
Security services
 
UNIT-5
Electronic mail
Composing messages
Reading message
Reply message
Forward message
Handling message
Internet mail access protocol
Domain name system
Domain name distribution
DNS resdution
SNMP protocol
Basic models of FTP
FTP control connection
World wide web
HTTP diagram
HTTP response message
Web services
Rest protocol applied in web services
Multi media application

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