IO405 β€’ Computer Networks β€’ CSE-IoT / IoT β€’ IV Semester

RGPV IO405 Computer Networks

Complete unit-wise Computer Networks study material for RGPV CSE-IoT and IoT fourth semester students. Prepare OSI model, data link protocols, LANs, routing, TCP/IP, subnetting and application layer concepts.

5

Units

30+

Major Topics

IO405

RGPV Subject Code

IO405 Computer Networks Units

Select a unit to access detailed notes, important questions and exam-oriented study material.

🌐
UNIT 1

Introduction to Computer Networks & Physical Layer

Fundamentals of computer networks, network topologies, OSI architecture, physical layer, transmission media and switching concepts.

1
Introduction to computer networks and their uses
2
Different network topologies
3
ISO-OSI model, layered architecture, peer-to-peer processes and encapsulation
4
Functions and services of OSI layers
5
Physical layer, digital signals, transmission impairments and maximum data rate
6
Shannon's theorem and Nyquist theorem
7
Guided and unguided transmission media
8
Circuit, packet and message switching, virtual circuit and introduction to ISDN
Open Unit 1 Handwritten Notes
πŸ”—
UNIT 2

Data Link Layer & Medium Access

Study data link layer functions, error detection and correction, framing, data link protocols and medium access protocols.

1
Data link layer design issues and functions
2
Error detection and error correction
3
Forward error correction versus retransmission
4
Hamming code and CRC codes
5
Fixed-size and variable-size framing
6
Bit stuffing and byte stuffing
7
Simplest, Stop-and-Wait and Sliding Window protocols
8
PPP, SLIP and HDLC
9
Static and dynamic channel allocation, ALOHA, CSMA/CD, CSMA/CA and Bit Map protocol
Open Unit 2 Handwritten Notes
πŸ–§
UNIT 3

LAN Standards & Network Layer

Understand IEEE LAN standards, networking devices, switching methods, bridges, spanning tree and the organization of the network layer.

1
IEEE 802 standards for LANs
2
IEEE 802.3, IEEE 802.4 and IEEE 802.5
3
LAN devices: Hub and Switches
4
Learning, cut-through and store-and-forward switches
5
Bridges, IEEE 802.x to IEEE 802.y and spanning tree
6
Remote bridge
7
Internetworking devices: routers and gateways
8
Network layer design issues and functions
9
Internal organization: virtual circuits and datagrams
Open Unit 3 Handwritten Notes
πŸ—ΊοΈ
UNIT 4

Routing Algorithms & TCP/IP

Study routing algorithms and the TCP/IP protocol stack including IP addressing, ARP, RARP, IP datagrams and ICMP.

1
Shortest path routing
2
Flooding
3
Link State Routing (LSR)
4
Distance Vector Routing
5
Hierarchical Routing
6
TCP/IP protocol stack and protocol architecture
7
Classful IP addressing
8
ARP and RARP
9
IP datagrams with options and their delivery
10
ICMP
Open Unit 4 Handwritten Notes
🚦
UNIT 5

Subnetting, Transport & Application Layer

Learn subnetting, supernetting, CIDR, transport layer functions, congestion and flow control along with DNS and email.

1
Subnet
2
Supernet
3
CIDR
4
Transport layer and congestion control
5
Load shedding and jitter control
6
Addressing and multiplexing
7
Connection establishment and connection release
8
Flow control
9
Application layer introduction, DNS and Email
Open Unit 5 Handwritten Notes
← Back to 4th Semester

About IO405 Computer Networks

IO405 Computer Networks is a fourth-semester subject in the RGPV CSE-IoT / IoT curriculum. The course introduces students to computer network architecture, communication protocols, data transmission, routing and networking applications.

The syllabus begins with an introduction to computer networks, network topologies and the ISO-OSI model. Students also study the physical layer, digital signals, transmission impairments, data-rate concepts, transmission media and switching.

Data Link Layer

Unit 2 focuses on data link layer design and functions, error detection and correction, Hamming code, CRC, framing, bit stuffing, byte stuffing and data link protocols such as Stop-and-Wait and Sliding Window.

LAN and Network Layer

Unit 3 covers IEEE 802 LAN standards, hubs, switches, bridges, spanning tree, routers, gateways and the organization of the network layer.

Routing and TCP/IP

Unit 4 covers shortest path routing, flooding, link state routing, distance vector routing and hierarchical routing. It also introduces the TCP/IP protocol stack, classful IP addressing, ARP, RARP, IP datagrams and ICMP.

Transport and Application Layer

Unit 5 covers subnet, supernet and CIDR along with transport-layer concepts such as congestion control, load shedding, jitter control, addressing, multiplexing, connection establishment, connection release and flow control. The unit also introduces DNS and Email.

Why Study IO405 Computer Networks?

Important areas to focus on while preparing for the RGPV semester examination.

🌐

OSI Model

Understand layered architecture, peer-to-peer communication, encapsulation and functions of OSI layers.

πŸ”—

Data Link Protocols

Prepare framing, Hamming code, CRC, Stop-and-Wait, Sliding Window, PPP, SLIP, HDLC, ALOHA and CSMA.

πŸ–§

LAN & Devices

Study IEEE 802 standards, hubs, switches, bridges, routers, gateways and spanning tree.

πŸ—ΊοΈ

Routing

Focus on shortest path, flooding, link state, distance vector and hierarchical routing.

πŸ“‘

TCP/IP

Prepare protocol architecture, IP addressing, ARP, RARP, IP datagrams and ICMP.

🚦

Transport Layer

Understand congestion control, flow control, addressing, multiplexing, connection management, DNS and Email.

IO405 Exam Preparation

For RGPV examination preparation, students should study all five units according to the prescribed syllabus and practice the concepts systematically.

Numerical and conceptual preparation is particularly useful for topics such as maximum data rate, Shannon's theorem, Nyquist theorem, Hamming code, CRC and routing.

Students should also understand protocol comparisons, network devices, OSI layers, LAN standards, routing algorithms, TCP/IP concepts, IP addressing, subnetting, transport-layer mechanisms and application-layer services.

Previous year questions and important questions can be used alongside these unit-wise notes for revision.

Frequently Asked Questions

Common questions about RGPV IO405 Computer Networks.

What is IO405?

IO405 is Computer Networks in the RGPV CSE-IoT / IoT fourth-semester syllabus.

How many units are there in IO405 Computer Networks?

The provided RGPV syllabus contains five units covering network fundamentals, data link layer, LAN and network layer, routing and TCP/IP, and subnetting, transport and application layer topics.

What is covered in Unit 1?

Unit 1 covers introduction to computer networks, topologies, ISO-OSI model, physical layer, digital signals, transmission impairments, Shannon and Nyquist theorems, transmission media, switching and ISDN.

What is covered in Unit 2?

Unit 2 covers data link layer design, error detection and correction, Hamming code, CRC, framing, bit and byte stuffing, Stop-and-Wait, Sliding Window, PPP, SLIP, HDLC, ALOHA, CSMA/CD, CSMA/CA and Bit Map.

What is covered in Unit 3?

Unit 3 covers IEEE 802 LAN standards, LAN devices, switches, bridges, spanning tree, remote bridges, routers, gateways and network layer organization.

What is covered in Unit 4?

Unit 4 covers shortest path routing, flooding, LSR, distance vector routing, hierarchical routing and the TCP/IP protocol stack with classful IP addressing, ARP, RARP, IP datagrams and ICMP.

What is covered in Unit 5?

Unit 5 covers subnet, supernet, CIDR, transport-layer congestion control, load shedding, jitter control, addressing, multiplexing, connection establishment, connection release, flow control, DNS and Email.

Is RGPV Notes Hub the official RGPV website?

No. RGPV Notes Hub is an independent educational platform created to help students access notes, PYQs and other examination preparation resources.