DI03000051 · Semester 3 · 5G scheme
Computer Networks
Notes and solutions following the Gujarat Technological University (GTU) syllabus for DI03000051. Independent material — not issued by the university.
Materials
Complete Book
The whole syllabus, unit by unit, written for the exam.
Complete Book
100 pages
Premium Preview · 38 pages
Slides
Lecture slides for revision.
Lecture slides (full course)
458 pages
Premium Preview · 10 pagesSlides (compact edition)
242 pages
Premium Preview · 10 pages
Past Papers
Original question papers from previous exams.
PYQ Solutions
Past university papers, fully solved.
Solved past papers — detailed answers
17 pages · English + ગુજરાતી
Premium Preview · 3 pages
Syllabus units
Unit 1: Basics of Computer Network
- Definition & need of networks, Computer Network Applications
- Types of connection: Point to Point, Multipoint
- Types of Computer Networks and their use: Local Area Network, Metropolitan Area Network, Wide Area Network, Internet
- Network Topology: Definition, Use, Advantage and Disadvantage of Following: Bus, Star, Ring, Mesh, Hybrid, Tree
- Standard Organizations and Protocols: IEEE, ISOC, IETF, ISO, IRTF
- Applications and features of different types of servers: File server, Pint Server, Mail Server, Web Server, Proxy Server
Unit 2: The Reference Model for network communication
- OSI model & function of each Layer with diagram
- TCP/ IP model & function of each Layer with diagram
- Comparison of OSI & TCP/IP Models
Unit 3: Transmission Media & Network Devices
- Guided Media: Definition, connectors, applications, advantage and disadvantage of Following: Twisted Pair (Shielded Twisted Pair, Unshielded Twisted Pair), Coaxial Cable, Fiber Optics cable
- Un Guided Media: Definition and Application of following: Propagation Methods (Ground Propagation, Sky Propagation, Line of Sight Propagation), Electromagnetic spectrum, Radio Transmission, Microwave Transmission, Infrared Transmission, Satellite Transmission
- Network Devices: Definition, Use, Advantage and Disadvantage of following: Repeaters, Hubs, Switches, Routers, Access Points, Gateways, Bridges, Network Interface card (NIC): Types of NIC (Ethernet, wifi), List Components of NIC Difference between Layer 2 and Layer 3 Switches.
Unit 4: IP Protocol
- IPV4: Characteristics, Advantages and Disadvantages, Classful Addressing Scheme, Classless Addressing Scheme, Subnet & Masking, Reserved Address
- IPV6: Characteristics, Addressing modes, Address types, Special Address
- Difference between IPv4 and IPv6
Unit 5: Network Security Aspects
- Security Basics introduction: Confidentiality, Integrity, Availability
- Threats to security: Viruses and Worms, Intruders, Insiders, Criminal organizations, Terrorists, Information warfare
- Firewalls: Working and Design Principle, Packet Filter Firewall, Proxy Firewall
About this course
Computers and computer networks are the sole of the computer-based information systems. In present times, whether it is small or big organization they own their private computer networks to handle computer-based information systems. Therefore in every organization, establishing, commissioning (making operational) and maintaining secure computer networks has becomes one of the essential jobs of a diploma computer engineer too. This course is therefore designed to help the computer engineering diploma holders to develop this competency