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SYLLABUS

UNIT - 1 :

Fundamentals and Link Layer Overview of Data Communications – Networks – Building Network and its Types – Overview of Internet – Protocol Layering – OSI Model – Physical Layer – Overview of Data and Signals – Introduction to Data Link Layer – Link Layer Addressing – Error Detection and Correction.

UNIT - 2 :

Media Access and Internetworking Overview of Data Link Control and Media Access Control – Ethernet (802.3) – Wireless LANs – Available Protocols – Bluetooth – Bluetooth Low Energy – WiFi – 6LowPAN-Zigbee – Network Layer Services – Packet Switching – IPV4 Address – Network Layer Protocols (IP, ICMP, Mobile IP).

UNIT - 3 :

Routing Routing – Unicase Routing – Algorithms – Protocols – Multicast Routing and its Basics – Overview of Intradomain and Interdomain Protocols – Overview of IPv6 Addressing – Transition from IPv4 to IPv6.

UNIT - 4 :

Transport Layer Introduction to Transport Layer – Protocols – User Datagram Protocols (UDP) and Transmission Control Protocols (TCP) – Services – Features – TCP Connection – State Transition Diagram – Flow, Error and Congestion Control – Congestion Avoidance (DECbit, RED) – QoS – Application Requirements.

UNIT - 5 :

Application Layer Application Layer Paradigms – Client Server Programming – World Wide Web and HTTP – DNS – Electronic Mail (SMTP, POP3, IMAP, MIME) – Introduction to Peer to Peer Networks – Need for Cryptography and Network Security – Firewalls.