NEC CSE 3-1 R20 Computer Networks Syllabus and Materials PDF

Narasaraopeta Engineering College 3-1 R20 CSE Syllabus:  NEC CSE 3-1 R20 Computer Networks Syllabus and Materials PDF for all Five units are now available. Here you can get all CSE stuff for your Autonomous colleges.

UNIT-I 

Introduction: OSI Overview, TCP/IP and Other Network Models, Examples of Networks: Novell Networks, Arpanet, Internet, Network Topologies: WAN, LAN, MAN.

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UNIT – II

Data Link Layer: Design Issues- Framing, Services Provided to Network Layer, Flow Control, Error Control, Error Detection and Correction-CRC, Checksum-Idea, One’s Complement, Hamming code. IEEE Standards: 802.3, 802.11.

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UNIT – III

Elementary Data Link Layer Protocols: Simplex Protocol, Simplex Stop and Wait, Simplex Protocol for Noisy Channel.

Sliding Window Protocol: One Bit, Go Back N, Selective Repeat-Stop And Wait Protocol, Examples Of Data Link Protocols- HDLC, PPP.

Medium Access Control Sub Layer: Chanel Allocation Problem, ALOHA, Carrier Sense Multiple Access (CSMA), CSMA With Collision Detection, CSMA with Collision Avoidance

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UNIT – IV

Network Layer: Network Layer Design Issues- Store And Forward Packet Switching, Service Provided to Transport Layer, Connection Oriented and Connection Less Service, Comparison of Virtual Circuit and Datagram Subnets.

Routing Algorithms: Optimality Principle, Shortest Path Routing, Flooding, Hierarchical Routing, Broad Cast, Multi Cast, Distance Vector Routing, Link State Routing.

Network Layer in Internet: IP Protocol, IP Address, IPv4 frame format

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UNIT –V

Transport Layer: The Transport Services- Services Provided to the Upper Layer, Transport Service Primitives, Elements of Transport Protocol-Addressing, Connection Establishment, Connection Release.

The Internet Transport Protocols: TCP and UDP.

Application Layer: DNS (Domain Naming System)-DNS Namespace, Name Servers, Electronic Mail- Architecture And Services, Message Format-MIME, Sending and Receiving E-mail, Message Transfer- SMTP.

The World Wide Web- Architecture Overview, URL, HTTP.

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