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CIT311Sciences3 Unitsintermediate

Computer Networks

This course provides a comprehensive introduction to computer networks, covering network classifications, reference models, data transmission, and multiplexing techniques. It explores medium access control, data link layer protocols, and network devices such as repeaters, bridges, routers, and gateways. The course also delves into integrated services digital networks (ISDN) and asynchronous transfer mode (ATM), equipping students with a solid understanding of network architectures and technologies.

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120h
Study Time
13
Weeks
9h
Per Week
basic
Math Level
Course Keywords
Computer NetworksOSI ModelData TransmissionNetwork DevicesATM

Course Overview

Everything you need to know about this course

Course Difficulty

Intermediate Level
Builds on foundational knowledge
65%
intermediate
➕
Math Level
Basic Math
📖
Learning Type
Theoretical Focus

Course Topics

Key areas covered in this course

1

Network Classification

2

OSI and TCP/IP Models

3

Data Transmission

4

Network Devices

5

ISDN

6

ATM

Total Topics6 topics

Requirements

Knowledge and skills recommended for success

Basic computer literacy

Introduction to Computer Science

💡 Don't have all requirements? Don't worry! Many students successfully complete this course with basic preparation and dedication.

Assessment Methods

How your progress will be evaluated (3 methods)

Assignments

Comprehensive evaluation of course material understanding

Written Assessment

Tutor-Marked Assignments

Comprehensive evaluation of course material understanding

Written Assessment

Final Examination

Comprehensive evaluation of course material understanding

Written Assessment

Career Opportunities

Explore the career paths this course opens up for you

Network Administrator

Apply your skills in this growing field

Network Engineer

Apply your skills in this growing field

IT Support Specialist

Apply your skills in this growing field

Telecommunications Technician

Apply your skills in this growing field

Industry Applications

Real-world sectors where you can apply your knowledge

TelecommunicationsInformation TechnologyNetworkingData Communications

Study Schedule Beta

A structured 13-week journey through the course content

Week
1

Module 1: An Introduction to Computer Networks

7h

Unit 1: Network Classification and Reference Models

4 study hours
  • •Define network types (LAN, MAN, WAN) and their characteristics
  • •Explain the OSI and TCP/IP reference models and their layers
  • •Describe the functions of each layer in the OSI model

Unit 2: Data Transmission and Multiplexing

3 study hours
  • •Explain time and frequency domain concepts
  • •Differentiate between analog and digital data transmission
  • •Describe various transmission media (twisted pair, coaxial cable)
Week
2

Module 1: An Introduction to Computer Networks

7h

Unit 3: Medium Access Control and Data Link Layer

4 study hours
  • •Explain error handling and flow control methods
  • •Identify and describe MAC sublayer protocols (CSMA/CD, Token Passing)
  • •Understand IEEE standards for LANs (802.3, 802.4, 802.5)

Unit 4: Network, Transport and Application Layers

3 study hours
  • •Describe routing and congestion control algorithms
  • •Compare virtual circuit and datagram subnets
  • •Explain internetworking concepts (repeaters, bridges, routers)
Week
3

Module 2: Network Devices & Technology

4h

Unit 1: Network Devices–I

4 study hours
  • •Describe the functions and operations of repeaters, bridges, switches, and hubs
  • •Compare switches and hubs in terms of collision and broadcast domains
Week
4

Module 2: Network Devices & Technology

4h

Unit 2: Network Devices–II

4 study hours
  • •Describe the functions and operations of routers, gateways, and modems
  • •Compare bridges and routers
  • •Explain the role of gateways in connecting dissimilar networks
Week
5

Module 2: Network Devices & Technology

4h

Unit 3: Integrated Service Digital Network (ISDN)

4 study hours
  • •Explain baseband and broadband communication
  • •Describe ISDN services (BRI and PRI)
  • •Discuss the advantages and applications of ISDN
Week
6

Module 2: Network Devices & Technology

4h

Unit 4: Asynchronous Transfer Mode (ATM)

4 study hours
  • •Explain switching techniques (circuit switching, packet switching)
  • •Describe ATM layered architecture and its comparison with the OSI model
  • •Explain how ATM protocol works and the structure of an ATM cell
Week
7

Module 1: An Introduction to Computer Networks

7h

Unit 1: Network Classification and Reference Models

4 study hours
  • •Review Module 1 Units 1 & 2
  • •Complete TMA 1

Unit 2: Data Transmission and Multiplexing

3 study hours
  • •Review Module 1 Units 3 & 4
  • •Prepare for TMA 2
Week
8

Module 2: Network Devices & Technology

7h

Unit 1: Network Devices–I

4 study hours
  • •Review Module 2 Units 1 & 2
  • •Complete TMA 3

Unit 2: Network Devices–II

3 study hours
  • •Review Module 2 Units 3 & 4
  • •Prepare for TMA 4
Week
9

Module 1: An Introduction to Computer Networks

7h

Unit 1: Network Classification and Reference Models

4 study hours
  • •Review Module 1 Units 1 & 2
  • •Complete TMA 1

Unit 2: Data Transmission and Multiplexing

3 study hours
  • •Review Module 1 Units 3 & 4
  • •Prepare for TMA 2
Week
10

Module 2: Network Devices & Technology

7h

Unit 1: Network Devices–I

4 study hours
  • •Review Module 2 Units 1 & 2
  • •Complete TMA 3

Unit 2: Network Devices–II

3 study hours
  • •Review Module 2 Units 3 & 4
  • •Prepare for TMA 4
Week
11

Module 1: An Introduction to Computer Networks

7h

Unit 1: Network Classification and Reference Models

7 study hours
  • •Comprehensive review of Module 1 topics
  • •Focus on key concepts and definitions
Week
12

Module 2: Network Devices & Technology

7h

Unit 1: Network Devices–I

7 study hours
  • •Comprehensive review of Module 2 topics
  • •Focus on practical applications and examples
Week
13

Module 1: An Introduction to Computer Networks

7h

Unit 1: Network Classification and Reference Models

7 study hours
  • •Final revision and practice questions
  • •Prepare for final examination

This study schedule is in beta and may not be accurate. Please use it as a guide and consult the course outline for the most accurate information.

Course PDF Material

Read the complete course material as provided by NOUN.

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Study Tips & Exam Preparation

Expert tips to help you succeed in this course

1

Create detailed summaries of each unit, focusing on key terms and concepts

2

Draw diagrams illustrating the OSI and TCP/IP models and their functions

3

Practice solving problems related to data transmission and network device configurations

4

Review all Tutor-Marked Assignments (TMAs) and identify areas needing further study

5

Form study groups to discuss challenging topics and share insights

6

Allocate specific time slots for revision and practice in the weeks leading up to the exam

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