Computer Networks
Lecture 1: Introduction
Dr. Islam Mohammed Ibrahim
Assistant Professor of Communication and Electronics Engineering
Computer Networks
Lecture 1: Introduction
Contacts:
01098922474
E_mail: Islam.Mohammed@ecu.edu.eg
References
1.Behrouz A. Foruzan, “Data communication & Networking”
2. William Stallings, “Data & Computer Communication”
3. Wayne Tomasi, “Introduction to Data Communication & Networking”
4. Andrew S. Tannenbaum, “Computer Networks”
5. Uyless Black, “Computer Networks protocols, standards & interfaces”
6. James .F. Kurouse & W. Rouse, “Computer Networking”
7. Natalia Olifer & Victor Olifer, “Computer Networks, Principles”
8. V.R.Kavitha, ‘Computer Networks’
Outlines
What is a Computer Network?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
Outlines
What is a Computer Network?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
Outline
What is a Computer Network?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
Course Objectives
Obtaining a theoretical understanding of data communication and
computer networks (OSI, network naming and addressing, ….).
Learning about computer network design and its operations.
Gaining practical experience in installation, monitoring, and
troubleshooting of current LAN systems.
Outline
What is a Computer Network?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
Period Summary of Lecture Program Practical Topics
Week 1 Introduction to computer networks Implement the cross-wired cable
and straight through cable using
clamping tool.
Week 2 Network topologies and Data communication Study of Network Devices in
Detail
Week 3 Network models Study of network IP
Week 4 Physical layer Connect the computers in Local
Area Network
Week 5 Switching techniques
Week 6 Data link layer switching
Week 7 Mid-Term Exam (1) Study of basic network command
and Network configuration
commands
Week 8 Multiple access protocol Performing an Initial Switch
Configuration
Week 9-10 Network layer, Connecting a Switch
Week 11 Transport layer-Mid-Term Exam (2) Configuring WEP on a Wireless
Router
Week 12 Application layer Implementing an IP Addressing
Scheme
Outline
What is a Computer Network?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
Evaluation Procedures
Midterm Exam(1): 20%
Midterm Exam(2):10%
Miniproject:10%
Quiz :10%
Practical Exam: 10%
Final Exam: 40%
Outlines
What is Computer Networking?
Course Objectives
Course Calendar
Evaluation Procedures
Introduction to Computer
Networking
What is meant by Network?
Network Definition
Def.1: Computer Network: is a group of
components that are connected
together to provide a service.
Def. 2: Number of nodes connected by
some communication lines to transfer
data, share resources and management
Connecting Device
Router
Switch
Firewall
Network Components
Computer system
Media
Network Interface
Network Protocol
Network Components
PC IOT
Mobile Smart Car
Tablet Smart home
Laptop Smart Watch
Network Importance
Share Hardware and resources
Easy sharing of files, data
Data Protection
Network Resources
Mail Server
Printer server
Internet
File server (storage device)
Network Advantages
Save Money
Increase workgroup collaborations
Increase Productivity
Protect Company data
Scenario(1) ( No Network)
Scenario(2) ( with Network)
Scenario(3) ( with Network)
Network Types
Network Types
Network Types
Network Types
Network Types
Peer to Peer (P2P)
Peer to Peer (P2P)
Advantages Disadvantages
Easy to install Non Scalable
Not Expensive No centralized Admin
“Fun” Internet-connected devices
Tweet-a-watt:
monitor energy use
bikes
Pacemaker & Monitor
Amazon Echo Web-enabled toaster +
IP picture frame
weather forecaster
Internet
refrigerator
Slingbox: remote cars
control cable TV
Security Camera AR devices
sensorized, scooters
bed
mattress
Gaming devices
Others?
Internet phones Fitbit
Thank
You!