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SYLLABUS

Unit-I

Introduction to Networks and data communications The Internet, Protocols and Standards, Layered Tasks, OSI Model, TCP/IP, Addressing, Line Coding Review, Transmission Media: Guided and Unguided Media Review.

Unit-II

Switching Datagram Networks, Virtual Circuit Networks, Structure of a Switch, Ethernet Physical Layer, Data Link Layer: Error Detection and Correction, Data Link Control: Framing, Flow and Error Control Protocols, Noiseless Channel and Noisy Channel Protocol, HDLC, Point-to-Point Protocol.

Unit-III

Multiple Access Random Access, ALOHA, CDMA, CSMA/CD, CSMA/CA, Controlled Access, Channelization, Wired LANs: IEEE Standards, Standard Ethernet, Fast Ethernet, Gigabit Ethernet, Wireless LAN, IEEE 802.11, Bluetooth IEEE 802.16.

Unit-IV

Network Layer Design Issues, Routing Algorithms, Congestion Control Algorithms, IPv4 Addresses, Connecting Devices, Virtual LAN, IPv6 Addresses, Internet Protocol, Hardware Addressing Versus IP Addressing, IP Datagram.

Unit-V

Transport Layer Protocol UPD and TCP, ATM, Cryptography, Network Security.