Computer Network

Program Class: Diploma / B.Sc. CS

Year: II

Semester: IV

Subject: B.Sc. Computer Science

Course Title: Computer Network

Course Learning Outcomes:

On completion of this course, learners will be able to:

The main goal of computer networking is to link devices and enable smooth communication and data exchange between them. Resource sharing: By allowing linked devices to share hardware, software, and data resources, networking maximizes resource usage and fosters cooperation.

Credits: 4

Core Compulsory

Max. Marks: –25+75

Min. Passing Marks: 33

Unit

Topics

I

Data Communication: Components of Data Communication System, Simplex, Half- Duplex and Duplex modes of communication, Analog and Digital Signals,  andwidth, Throughput and Latency, Digital and Analog Transmission, Transmission media, Multiplexing, Network Topologies, LAN, MAN, WAN, Wireless Networks, Internet..

II

Network Models: Layered Architecture, OSI Model and its protocols, TCP/IP Model, Switching techniques, Error Detection and Correction Methods, Network Devices.

III

Functions of Models: Classful and Classless Addressing, Datagram, IPv4 & IPv6 Packet format, Routing algorithms, Flow control, error control and congestion control in TCP

IV

World Wide Web (WWW): Uniform Resource Locator (URL), Domain Name Service (DNS), Resolution- Mapping Name to Addresses and Addresses to Names, Electronic Mail Architecture, SMTP, POP, IMAP, TELNET, FTP.

V

Network Security: Malwares, Cryptography, Secret- Key Algorithms, Public Key Algorithms, Digital Signature, Virtual Private Networks, Firewalls.