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4G curriculum (older)

For students clearing pending subjects of the 4G scheme (7-digit subject codes, e.g. 4341602). Students admitted under the current scheme study the 5G curriculum.

4361101 · Semester 6 · 4G scheme

Computer Networks & Data Communication

Notes and solutions following the Gujarat Technological University (GTU) syllabus for 4361101. Independent material — not issued by the university.

Electronics & Communication Engineering

Materials

Syllabus

The official syllabus this material follows.

  • Syllabus

    9 pages

    FreeRead

Complete Book

The whole syllabus, unit by unit, written for the exam.

Problem Solver

Step-by-step solutions to typical problems.

PYQ Solutions

Past university papers, fully solved.

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  • Solved past papers — short answers

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Syllabus units

Unit 1: Fundamentals of Networking & Data Communication7 h · 12 marks
  • Need, Advantages and Applications of Computer Networks
  • Physical topologies of Network
  • Internet Standards
  • Network Classification
  • Layering of Models
  • OSI and TCP/IP models and their comparison
  • Concept of Internet model
  • Concepts in Data Communication Networking
Unit 2: Network Devices8 h · 14 marks
  • Classification of Transmission Media: Role of different devices
  • Repeaters, Hubs, Bridges, Switches
  • Routers
  • Access Points
  • Firewall
  • Introduction to Network management system
  • Ethernet, Fast Ethernet, Gigabit Ethernet
  • Wireless LAN
  • FDDI & CDDI
Unit 3: Hardware Layer12 h · 18 marks
  • Physical Layer: Transmission media
  • Physical Layer Interfaces: Types of Connectors and Signals
  • Wireless Medium as Physical layer
  • ISM Band
  • Circuit switching
  • DSL technology types-xDSLs
  • Cable modem
  • Sub Layers of Data Link Layer and functions
  • Data link protocol HDLC, PPP, Multiple Access, CSMA, CSMA/CD, CSMA/CA
  • Network Layer: Packet Switching
  • Virtual circuits, and datagram, Static and Dynamic Routing Algorithms
  • Types IP Addressing
  • CIDR & NAT
  • IP layer protocols
  • IPv4 and IPv6 comparison
  • Line coding types
Unit 4: Software Layer10 h · 16 marks
  • Transport Layer: Elements of Transport protocols - TCP & UDP
  • Application Layer
  • DNS- Domain Name System
  • Internet Services: World Wide Web
  • Electronic Mail
  • Voice and Video over IP
  • Social services
Unit 5: Network Security5 h · 10 marks
  • Introduction to Network Security, Cryptography
  • IP security: SSH and Web security
  • Information Security Standards
  • IT Act 2000 Provisions and latest amendments
  • Social issues, Hacking, precautions

About this course

Computer Networks & Data Communication is crucial for students as it forms the backbone of modern communication systems. Understanding this subject is essential for comprehending how data is transferred and shared across devices and networks. It enables students to grasp the fundamentals of internet protocols, network security, and the seamless flow of information in the digital age. Proficiency in this subject is essential for various careers, ensuring students are well-equipped for the ever-evolving technology landscape. Thus, this course is an important course for students who want to work in network administration, cybersecurity, software development, and systems engineering.