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SYLLABUS

UNIT-I

Overview OF Computer Communications and Networking Introduction to Computer Communications and Networking, Introduction to Computer Network, Types of Computer Networks. Network Addressing, Routing, Reliability, Interoperability and Security, Network Standards, The Telephone System and Data Communications.

UNIT-II

Essential Terms and Concepts Computer Applications and Application Protocols, Computer Communications and Networking Models, Communication Service Methods and Data Transmission Modes, Analog and Digital Communications, Speed and Capacity of a Communication Channel, Multiplexing and Switching, Network Architecture and the OSI Reference Model.

UNIT-III

Analog and Digital Communication Concepts Representing Data as Analog Signals, Representing Data as Digital Signals, Data Rate and Bandwidth Reduction, Digital Carrier Systems.

UNIT-IV

Physical and Data Link Layer Concepts The Physical and Electrical Characteristics of Wire, Copper Media, Fiber Optic Media, Wireless Communications. Introduction to Data Link Layer, The Logical Link Control and Medium Access Control Sub-layers.

UNIT-V

Network Hardware Components Introduction to Connectors, Transceivers and Media Converters, Repeaters, Network Interface Cards and PC Cards, Bridges, Switches, Switches Vs Routers.