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CS331: Data Communications And Computer Networks

الدروس المجانية Sample Lesson

Course introduction

Definition of Data Communication

Protocol Layers and Service Models

Multiple & Random Access

How to get an A+

1. Introduction to Data Communication and Networking

Definition of Data Communication

Definition of Networks

Criteria of Good Network

Ring Topology & Hyprid Topologies

Categories of Networks

Internet Service Providers (ISPs) & Methods of ISPs Interconnection

Internet Standards

Review For This Part

2. Protocol Layering

Protocol Layers and Service Models

Encapsulation & Decapsulation

Peer-to-Peer Processes

Services Provided by Physical Layer

Services Provided by Data Link Layer

Services Provided by Network Layer

Services Provided by Transport Layer

Differences between Addresses

Services Provided by Session Layer

Services Provided by Presentation Layer & Application Layer

Review For This Part

3. Physical Layer (Part 1)

Transmission System

Analog & Digital

Frequency & Period

Bit Rate & Bit Interval

Advantages of Digital Transmission

Signal Corruption

Attenuation & Distortion

Performance (Important)

Bandwidth-Delay Product

4. Physical Layer (Part 2)

Twisted Pair (Guided)

Coaxial Cable & Optical Fiber (Guided)

Unguided Transmission Media

5. Data Link Layer (Part 1)

Framing (Character & Bit Oriented)

Types of Error & Burst Error Length

Parity Check (Parity Bit)

Two-Dimensional Parity (Sender)

Two-Dimensional Parity (Receiver)

Checksum (Sender)

Checksum (Receiver)

Error Correction

Error Detection & Correction Exercises

Major 1 242(Male)

Major 1 242(Female)

Major 1 Live – Term 252

Major 1 Live – Term 252 Notes

7. Data Link Layer (Part 2)

Multiple & Random Access

Non-Persistent (Random Access)

1-Persistent (Random Access)

P-Persistent (Random Access)

Collision Detection (CSMA/CD)

Reservation (Controlled Access)

Polling (Controlled Access)

Token Passing (Controlled Access)

8. Data Link Layer (Part 3)

Ethernet Address

How Address is Sent Out

Ethernet Evolution/Standards

Full-Duplex Operation

9. Interconnecting Devices

Switch Learning Process Example

Collision Domain Examples

10. Network Layer (Part 1)

Packet Switching (Virtual Circuit & Datagram Approach)

Class C, D, & E

Classes Exercises

Default Gateway & Mask

Subnetting Example

Major 2 (Female)

Major 2 Live – Term 252

Major 2 Live – Term 252 Notes

Practice Questions

Major 2 Mock Exam

Major 2 Mock Exam – Answer Key

12. Network Layer (Part 2)

Routing Table Examples

Distance Vector

Autonomous Systems

13. Transport Layer

Port Addressing

Reliability & Congestion Control

Connectionless (UDP)

Connection-Oriented (TCP)

3-Way Handshaking

3-Way Handshaking Example

3-Way Handshaking & Data Transfer Example

14. Application Layer

Recursive Resolution

Iterative Resolution

Previous Lesson

Course introduction

⏱ 00:56

CS331: Data Communications And Computer Networks 499.00

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