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Subject Syllabus

CY-403 - Computer Networks

CSCY • SEMESTER-4

Course Modules

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Introduction to Computer Networks Network architecture OSI and TCP/IP reference models Network Topologies Switching Techniques: Circuit, Packet and Message Switching Physical Layer: Transmission Media (Guided and Unguided)Data Rate Limits Nyquist and Shannon's Theorem ISDN

Data Link Layer Design Issues Error Detection and Correction Cyclic Redundancy Check (CRC)Hamming Codes Flow Control Protocols: Stop-and-Wait, Sliding Window Medium Access Control (MAC) Sublayer: Static vs Dynamic channel allocation ALOHA CSMA, CSMA/CD HDLC Frame Relay PPP, SLIP

IEEE 802 Standards: IEEE 802.3 (Ethernet), IEEE 802.4 (Token Bus), IEEE 802.5 (Token Ring)Network interconnection devices: Hubs, Switches, Bridges, Routers, and Gateways Remote Bridging Virtual Circuit vs Datagram Subnets

Network Layer Protocols IP Addressing: Classful IP Addressing, Classless Inter-Domain Routing (CIDR)Subnetting and Subnet Masks Routing Algorithms: Shortest Path Routing, Distance Vector Routing (DVR), Link State Routing Internet Control Protocols: ARP, RARP, ICMP TCP/IP protocol stack

Transport Layer Services Connection establishment and release (Three-way and Four-way handshakes)Connectionless and Connection-oriented communication Congestion Control Algorithms Load Shedding, Jitter Control Application Layer: Domain Name System (DNS), Email Architecture and Formats