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Lecture 0: Course Overview
Lecturer Details
 Dr. Walid Khedr, Ph.D.
 Email: [email protected]
 Web: www.staff.zu.edu.eg/wkhedr
 Department of Information Technology
Course Info
 Course Name: Computer Networks
 Course Number: IT305
 Course Group:
www.facebook.com/groups/it300305
 Office Hours: 11 am – 1 pm, Sunday, Monday
 Tools: Cisco Packet Tracer 6 simulator, Wireshark 1.10
protocol analyzer
 Prerequisite: CS260 (Operating Systems)
 Course Materials:
 Text Book
 Lectures
 Cisco Online Materials
Grading Policy
 Your final grade will be calculated as follows:
 Term Work: Assignments / Homework / Quizzes /
Midterm exam (20 points)
 Lab Exams (20 points)
 Oral Exam, Attendance and Participation (20 points)

How to participate?
 Ask questions
 Answer questions
 Make comments
 Total is 150 points
Grading Rules
1. Final exam is cancelled if attendance < %75
2. If final exam grade is less than %30, your final grade
will be just your final exam grade.
FCI & Cisco Networking Academy
 The Cisco Systems is the leading manufacturer of
internetworking equipment.
 The Cisco is partnering with educational institutions
around the world. This partnership is known as the
Cisco Networking Academy (CNA) program.
 FCI @ Zagazig University is an accredited Cisco
Networking Academy providing training to students
who wish to become a network professional.
FCI & Cisco Networking Academy
What is CCNA Certification
 Cisco Certified Network Associate (CCNA®) validates
the ability to install, configure, operate, and
troubleshoot medium-size routed and switched
networks, including implementation and verification
of connections to remote sites in a WAN.
CCNA Certification
CCNA Exploration
Cisco Networking Academy
ROUTE:
Implementing IP
Routing
Curricula Portfolio
SWITCH:
Implementing IP
Switched Networks
Networking for
Home and Small
Businesses
Working at a
Small-to-Medium
Business
or ISP
Network
Professional
Network
Specialist
IT Essentials:
PC Hardware
and Software
Introducing Routing
and Switching in the
Enterprise
Network
Fundamentals
CCNA
Security
Routing Protocols and
Concepts
LAN Switching and
Wireless
Accessing the WAN
CCNP
CCNP
Designing and
Supporting Computer
Networks
Security
Network
Associate
CCNA
Discovery
CCNA
Exploration
Network
Technician
IT Technician
IT
Essentials
TSHOOT:
Troubleshooting and
Maintaining IP
Networks
Packet Tracer
Student Networking Knowledge and Skills
CCNA Exploration
CCNA Exploration
CCNA Exploration
 The Cisco CCNA Exploration curriculum provides an
integrated and comprehensive coverage of networking
topics, from fundamentals to advanced applications
and services.
 The curriculum teaches networking based on
technology, covering networking concepts using a topdown.
 CCNA Exploration helps prepare students for globally-
recognized Cisco CCNA certification. (640-802 CCNA
Exam)
CCNA Exploration
Cisco Certified Networking Associate Exploration
(CCNA) program consist of four modules:
 CCNA1: Network Fundamentals (70 hrs)
 CCNA2: Routing Protocols and Concepts (70 hrs)
 CCNA3: LAN Switching and Wireless (70 hrs)
 CCNA4: Accessing the WAN (70 hrs)
IT305 & CCNA Exploration Integration
IT305
IT305 for CCNA
Certification
CCNA
Exploration
CCNA Exploration Course Sequence
 The curriculum consists of four courses
 Network Fundamentals is the first course and has no prerequisites
 The curriculum then offers flexibility in delivery
Network
Fundamentals
Network
Fundamentals
Network
Fundamentals
Routing Protocols
and Concepts
LAN Switching
and Wireless
Routing Protocols
and Concepts
LAN Switching
and Wireless
LAN Switching
and Wireless
Routing Protocols
and Concepts
Accessing the
WAN
Accessing the WAN
Accessing the WAN
CCNA Exploration Course Outline
Network Fundamentals
Routing Protocols
and Concepts
LAN Switching
and Wireless
Accessing the WAN
1
Living in a Network
Center World
Introduction to Routing and
Packet Forwarding
LAN Design
Services in a Converged
WAN
2
Communicating over
the Network
Static Routing
Configure a Switch
PPP
3
Application layer functionality
and Protocols
Introduction to Dynamic
Routing Protocols
VLANs
Frame Relay
4
OSI Transport Layer
Distance Vector Routing
Protocols
Implement VTP
Network Security
5
OSI Network Layer
RIP version 1
Implementing Spanning
Tree Protocols
Access Control Lists (ACLs)
6
Addressing the
Network-IPv4
VLSM and CIDR
Implementing Inter-VLAN
Routing
Providing Teleworker
Services
7
Data Link Layer
RIPv2
Configuring a Wireless Router
Implementing IP Addressing
Services
8
OSI Physical Layer
The Routing Table: A Closer
Look
9
Ethernet
EIGRP
10
Planning and Cabling
Networks
Link-State Routing Protocols
11
Configuring and Testing your
Network
OSPF
Chapter
Troubleshooting Networks
CCNA
Exploration:
Network Fundamentals
Chapter
Objectives
1. Living in a Network Center World
Understand How Data Networks Support Business and Personal
Communications
2. Communicating over the Network
Describe the Structure of a Network and the Function of Protocols in Network
Communications
3. Application Layer Functionality and Protocols
Describe the Function of Well-Known TCP/IP Applications and Their Related
Services and Protocols
4. OSI Transport Layer
Explain the Role and Functionality of the Transport Layer Protocols
5. OSI Network Layer
Explain the Role and Features of the Internet Protocol (IP); Understand the
Fundamentals of Routing and Packet Forwarding
6. Addressing the Network—IPv4
Understand the Need and Structure of IP Addressing; Generate and Assign
Addresses to Networks and Network Devices
7. Data Link Layer
Explain the Role of Data Link Layer Protocols in Data Transmission; Describe
the Layer 2 Frame and Key Frame Fields
8. OSI Physical Layer
Understand the Functions of the Physical Layer and Its Standards and
Protocols
9. Ethernet
Describe the Ethernet Protocol and the Physical and Data Link Layer Features
of Ethernet; Compare and Contrast Ethernet Hubs and Switches
10. Planning and Cabling Networks
Identify and Select the Cables, Standards, and Ports Used for LAN and WAN
Connections; Design an Addressing Scheme for an Internetwork; Compare
Network Designs
11. Configuring and Testing Your Network
Define the Role of the Internetwork Operating System (IOS); Identify the IOS
Modes of Operation and Basic IOS Commands
Certification
 Upon successful completion of each module student
receives a certification: Network fundamentals,
Routing Protocols and Concepts, LAN Switching and
Wireless, Accessing the WAN
What will you learn?
 Here are some examples of the skills students will be able
to perform after completing Network Fundamentals
(CCNA1) Course:
 Use network protocol models to explain the layers of





communications in data networks.
Design, calculate, and apply subnet masks and addresses
Build a simple Ethernet network using routers and switches
Employ basic cabling and network designs to connect devices
Use Cisco CLI commands to perform basic router and switch
configuration and verification
Analyze the operations and feature of the transport and
network layer protocols and services
CCNA1 : Network Fundamentals Contents
1.
Living in a Network-Centric World

presents the basics of communication and how networks
have changed our lives.
2. Communicating over the Network
 focuses on how networks are modeled and used.
3. Application Layer Functionality and Protocols
 introduces you to the top network model layer, the
Application layer.
4. OSI Transport Layer
 introduces you to the Transport Layer
5. OSI Network Layer
 introduces the OSI Network layer.
CCNA1 : Network Fundamentals Contents
6. Addressing the Network IPv4
 you will focus on network addressing in details
7. Data Link Layer
 discusses the services provided by Data Link layer
8. OSI Physical Layer

introduces the Physical layer
9. Ethernet
 you will examine the technologies and operation of
Ethernet
10. Planning and Cabling Networks
 focuses on designing and cabling a network.
11. Configuring and Testing Your Network
 you will connect and configure a small network using basic
Cisco IOS commands for routers and switches
CCNA1 Student Evaluation
Online Course Materials
 Computer-based learning environment
Online Course Materials
 Hands-on labs that use networking equipment within
the Networking Academy Lab
 Online scored assessments and a matching grade book
 Packet Tracer simulation tool
 Additional software for classroom activities
(Wireshark 1.10)
Course Textbooks
Packet Tracer Simulation Tool
 A powerful network simulation program developed by
Cisco that allows students to experiment with network
behavior.
Wireshark 1.10
 Wireshark is the world's foremost network protocol analyzer, and is the
standard across many industries and educational institutions.
 http://www.wireshark.org/
Accessing Your Cisco Netacad Account
 https://www.netacad.com/
Creating Your Cisco Netacad Account
 We need the following information:
1. ID (‫)رقم الجلوس‬
2. Full name in arabic
3. First Name (in English)
4. Last Name (in English)
5. Email
 Follow the following steps:
1. You Should have a valid email address
2. Register at http://www.amiando.com/it305_2013.html
3. We use your data to create your account and inform
you by email
Register at
“http://www.amiando.com/it305_2013.html”
Using Your Account
IT305
IT305
 Chapter 1 Computer Networks and the Internet 1
 1.1 What Is the Internet? 2
 1.2 The Network Edge 9
 1.3 The Network Core 22
 1.4 Delay, Loss, and Throughput in Packet-Switched
Networks 35
 1.5 Protocol Layers and Their Service Models 47
 1.6 Networks Under Attack 55
 1.7 History of Computer Networking and the Internet 60
IT305
 Chapter 2 Application Layer 83
 2.1 Principles of Network Applications 84
 2.2 The Web and HTTP 98
 2.3 File Transfer: FTP 116
 2.4 Electronic Mail in the Internet 118
 2.5 DNS–The Internet’s Directory Service 130
 2.6 Peer-to-Peer Applications 144
 2.7 Socket Programming: Creating Network
Applications 156
IT305
 Chapter 3 Transport Layer 185
 3.1 Introduction and Transport-Layer Services 186
 3.2 Multiplexing and Demultiplexing 191
 3.3 Connectionless Transport: UDP 198
 3.4 Principles of Reliable Data Transfer 204
 3.5 Connection-Oriented Transport: TCP 230
 3.6 Principles of Congestion Control 259
 3.7 TCP Congestion Control 269
IT305
 Chapter 4 The Network Layer 305
 4.1 Introduction 306
 4.2 Virtual Circuit and Datagram Networks 313
 4.3 What’s Inside a Router? 320
 4.4 The Internet Protocol (IP): Forwarding and
Addressing in the Internet 331
 4.5 Routing Algorithms 363
 4.6 Routing in the Internet 383
 4.7 Broadcast and Multicast Routing 399
IT305
 Chapter 5 The Link Layer: Links, Access Networks, and
LANs 433
 5.1 Introduction to the Link Layer 434
 5.2 Error-Detection and -Correction Techniques 438
 5.3 Multiple Access Links and Protocols 445
 5.4 Switched Local Area Networks 461
 5.5 Link Virtualization: A Network as a Link Layer 486
 5.6 Data Center Networking 490
 5.7 Retrospective: A Day in the Life of a Web Page
Request 495
Reading
 Chapter 1 - Living in a Network-Centric World
 Download and study Packet Tracer 5.3
Next Lecture
 Chapter 1