principles of computer and communication networks syllabus
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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-layer.
UNIT - V
Network Hardware Components: Introduction to Connectors, Transceivers, and media
convertors, repeaters, network interference cards, and PC cards, bridges, switches, switches
Vs Routers
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