The course will enable the students to
Course | Learning Outcomes (at course level) | Learning and teaching strategies | Assessment Strategies | |
Course Code | Course Title | |||
24CBCA 402 |
Data Networks (Theory)
| CO205. Analyse the advantages of using a layered network model in real-world communication. CO206. Distinguish between various transmission media used in data communication. CO207. Analyse digital transmission methods and multiplexing techniques for networking efficiency. CO208. Examine switching types and error detection/ correction techniques in networking. CO209 Evaluate data link control and elementary protocols for channel reliability. CO210.Contribute effectively in course- specific interaction. | Approach in teaching: Interactive Lectures, Discussion, Reading assignments, Demonstration.
Learning activities for the students: Self learning assignments, Effective questions, Seminar presentation. | Class test, Semester end examinations, Quiz, Assignments, Presentation. |
Data Communications:
Components, Data Representation and Data flow; Networks: Distributed Processing, Network Criteria, Network Models, Categories of networks and Internetwork; Internet and Protocols and Standards.
Network Models: Layered tasks, the OSI model, Layers in the OSI Model, TCP/IP protocol Suit, Addressing.
Data and Signals:
Analog and Digital Data, Analog and Digital Signals, Periodic and Non periodic Signals, Transmission impairment, Data rate limits and Performance. Transmission modes. Transmission Media: Guided media (Twisted Pair Cable, Coaxial Cable & Fiber-Optic Cable) and Unguided media (Radio wave, Microwave, Infrared & Light wave).
Digital Transmission:
Digital to Digital Conversion: - Line coding (Unipolar, Polar & Bipolar), Block Coding (4B/5B & 8B/10B), Scrambling (B8ZS & HDB3), Analog to Digital Conversion: PCM & DM, Digital to analog conversion: ASK, FSK, PSK&QAM, Analog to Analog conversion: Amplitude Modulation, Frequency Modulation & Phase Modulation.
Multiplexing: FDM, WDM, Synchronous TDM and Statistical TDM.
Switching:
Circuit switched networks, message switching & packet switching. Datagram networks, Virtual Circuit networks. Error Detection and Correction: Introduction, Block coding: Hamming Distance & Parity bit, linear block codes, cyclic codes: CRC, VRC & LRC, and Checksum.
Data Link control:
Framing, Introduction of Flow and Error Control. Elementary Data Link Protocols: - Simplest Protocol, Stop & Wait Protocol and Simplex protocol for a Noisy channel. Sliding window Protocols: -one-bit sliding window protocol, Go-Back-N Protocol, Selective Repeat Protocols.
SUGGESTED READINGS:
e -RESOURCES:
JOURNALS: