Page 6 - DCAP406_DCAP_207_Computer Networks

SYLLABUS
Computer Networks/Networks

Objectives: To impart the skills needed to establish a computer network and network troubleshooting. To enable the student
to understand various network hardware and software. To enable the student to understand network security issues and their
implementation details.

DCAP406 COMPUTER NETWORKS
Sr. No. Description
1. Introduction to Computer Networks: uses of computer networks,
2. Network hardware, network software, Reference models, Example networks
3. Physical Layer : Theoretical Basis for Data Communication, Guided Transmission Media, Wireless
Transmission, Communication Satellites
4. Public Switched Telephone Network, The Mobile Telephone System, Cable television
5. Data Link Layer: Design Issues, Error Detection and Correction
6. Elementary data link protocols, Sliding – Window protocols, Protocol verification, Example Data
Link Protocols
7. The Medium Access Control Sub Layer: The Channel Allocation Problem
8. Multiple Access Protocols, Ethernet, wireless LANs, Bluetooth, Data Link Layer Switching.
9. Network Layer: Design Issues, Routing Algorithms, Internetworking, network Layer in the Internet,
Congestion Control Algorithms, Quality of service
10. Transport Layer: Transport Service, Elements of Transport Protocols, The internet transport
protocols: UDP,TCP Application Layer: DNS ,E-mail, The World Wide Web, Multimedia ,Network
Security - Cryptography

DCAP207 NETWORKS

Sr. No. Description
1. Introduction to Computer Networks: Uses of computer networks, Network Hardware: LAN, WAN,
MAN, Wireless, Home networks, Internetworks. Network topologies: STAR, Ring, BUS etc.
2. Network Software: Layers, Protocols, Reference models: OSI Model, TCP/IP model, comparison of
OSI and TCI reference model.
3. Physical Layer: Guided Transmission Media: Magnetic media, Twisted pair, Coaxial cables-base
band, broadband, optical fiber transmission. Wireless Transmission, Satellites, PSTN
4. Networking Devices: Hub, Router, Switch, Bridge, Gateway Switching Techniques: Circuit Switching,
Message switching, packet switching
5. Multiplexing: Frequency Division, Time Division Multiplexing Modulation Techniques: Amplitude,
Frequency, Phase
6. Data Link Layer: Design Issues - Services provided to the network layer, framing, error control, flow
control, Error Detection and Correction: Error Correcting Codes, Error Detecting Codes
7. Data link protocols: Elementary Data link protocols, Sliding Window protocols, HDLC, Data link
layer in Internet
8. MAC Sublayer: CSMA/CD, Ethernet: Ethernet Cabling, Fast Ethernet
9. Network Layer: Design Issues, Routing Algorithms: Optimality principled, shortest path routing,
distance vector routing, link state routing Congestion Control Algorithms: General principles,
congestion prevention policies
10. Network Security: Cryptography – Introduction, Substitution ciphers, transposition ciphers