En français

Comprendre les éléments essentiels des réseaux

Bâtissez une base de connaissances sur les réseaux dans un contexte réel, comptant plusieurs fournisseurs.

Une base solide de notions essentielles sur les réseaux est essentielle pour une carrière fructueuse dans les technologies de l'information; notre cours populaire Comprendre les éléments essentiels des réseaux vous procurera ces compétences pratiques au quotidien.

Ce cours de base général vous fera progresser étape par étape dans les fondements des réseaux de données, en vous pratiquant avec les technologies de pointe de Cisco, Juniper, ADTRAN, HP, Dell et Microsoft. De plus, le cours comprend un accès d'un an à une bibliothèque de référence en ligne de cinquante (50) titres sur les réseaux, spécialement choisis pour renforcer les notions étudiées.

Une fondation et une compréhension solides des fonctions, normes et protocoles de base des réseaux vous prépareront à assimiler les connaissances avancées de TCP/IP, sécurité, intégration sans fil et voix sur IP.

What You'll Learn

• How switches and routers interconnect using equipment from multiple vendors
• IP addressing and how to create subnets
• How TCP/IP works and how to configure it on various devices
• Capture and view network traffic using a protocol analyzer
• Wireless network options available
• Basic security and firewall issues
• How Ethernet works and how all of the various forms can be connected
• Basics of layered network protocols
• Difference between logical and physical network segments
• Install Cat 5e UTP and fiber optic cables
• How VLANs function
• When and how to use NAT
• Function of various routing protocols such as RIP, IGRP, and OSPF
• An overview of WAN technologies
• Functions of NetBIOS and NetBEUI
• Benefits and issues of Instant Messaging

Course Outline

1. Network Overview

• Defining a Network
  • Reasons to Use a Network
• Network Components
  • End Devices
  • Operating Systems
  • Network Infrastructure
  • Network Types
  • Network Services

2. Network Functions and Standards

• Generic Network Functions
• Standards Organizations
  • Institute of Electrical and Electronics Engineers (IEEE)
  • Common WAN Serial Interface Standards
• Internet Organizations
  • Internet Standards Process
• OSI Model Overview
  • Layer 1: Physical Layer
  • Layer 2: Data Link Layer
  • Layer 3: Network Layer
  • Layer 4: Transport Layer
  • Layer 5: Session Layer
  • Layer 6: Presentation Layer
  • Layer 7: Application Layer
• TCP/IP Model

3. Local Signaling Media

• Serial Cabling Specifications
  • Media Interface Specifications
  • DCE and DTE Specifications
• Twisted-Pair Cabling Specifications
  • Cable Runs
  • Seven Keys to Successful UTP Wiring
• Fiber Optic Cabling Systems
  • Fiber Optic Cabling Types
• Wireless Networking Systems
  • Wireless Network Preparation

4. Ethernet

• Network Overview
  • Network Interface Cards
  • MAC Addresses
  • NIC Drivers
  • CSMA/CD Operation
  • Ethernet Collision Domain
• Ethernet Connectivity Standards
  • 10 Mbps Ethernet Connectivity Options
  • 100 Mbps Ethernet Connectivity Options
  • Gigabit Ethernet Overview
  • 10 Gigabit Ethernet Connectivity Options
• Ethernet Version II Frame Structure
  • Ethernet Type Field
  • IEEE 802.3 with 802.2 Frame Format
  • Captured Frame Displayed by a Protocol Analyzer
• Ethernet Equipment Overview
  • Ethernet Ports and Connectors
  • Half-Duplex and Full-Duplex Operation
  • Ethernet Hubs
  • Ethernet Switches
  • Integrating 10, 100, and 1,000 Mbps and 10 Gbps Ethernet
• Ethernet Performance Issues

5. Switching

• Switching Overview
  • Current Switch Installations
• Switch Operation Overview
  • The Learning Process
  • The Flooding Process
  • The Forwarding and Filtering Process
  • Switch Loop Problems
• Switch Configuration
  • Port Security
• Spanning Tree Algorithm Overview
  • STA Root Switch Election
  • STA Path Selection
  • Spanning Tree Timers
  • STA Self-Healing Ability
• VLAN Overview
  • VLAN Configuration
  • VLAN Operation
  • VLANs on Multiple Switches
• Switch Troubleshooting

6. Logical Addressing

• Logical Address Overview
• Binary Numbering
  • Converting Binary to Decimal
  • Converting Decimal to Binary
  • Conversion Practice
• Dotted Decimal Notation
• Logical Address Types
• Class-Based Addressing
  • Network-Specific Addresses
• Reserved Addresses
• Private Addresses
• Network Masking
• Classless Addressing

7. Address Resolution Protocol (ARP)

• Address Resolution Overview
• ARP Process
  • ARP Messages
• ARP Cache
  • ARP Command
• Gratuitous ARP
• Proxy ARP
• ARP Restrictions

8. Subnetting

• Subnetting Overview
  • Communication Between Hosts
  • IP Address and Mask
• Subnetting Basics
  • Subnet Rules
  • Subnetting Decisions
  • Four Key Addresses
• Case Study
  • Onageristic Analysis Inc.
  • Masking for Subnets
  • Masking for Interfaces
  • Headquarters Addressing
  • East Addressing
  • West Addressing
  • WAN Addressing

9. Routing

• Routing Overview
  • Logical Segmentation
• Static Links vs. Dynamic Routing
• Router Configuration Overview
  • Routing Protocols
  • Routing Metrics
• Routing Protocol Operation
  • Routing Information Protocol
  • RIP Routing Tables
  • Open Shortest Path First (OSPF)
  • Enhanced Interior Gateway Routing Protocol (EIGRP)
  • Border Gateway Protocol (BGP)

10. WAN Overview

• WAN Overview
  • Telecommunications Infrastructure
  • Connection Types: PVC and SVC
  • WAN Technologies
• WAN Circuit-Switching
  • Wide Area Transmission Rates
  • SONET
  • Leased Lines
• WAN Packet-Switching
  • Packet-Switching Networks
  • Metro/Carrier Ethernet
  • X.25 Overview
  • Frame Relay Overview

11. Network Layer Processes

• Network Layer Processes Overview
• Logical Addressing
  • Network Loop Handling
  • Routing Decision-Making
  • Path Control
  • Multicast Management
• Communication Flexibility
  • Multiplexing
  • Data Length Management
• Quality of Service
  • Data Receipt Verification
• Diagnostics
  • Logical Error Reporting

12. Session Handling

• Session Handling Overview
• Process Identification
  • Application Port Numbering
  • Temporary Ports
  • Port Address Translation
• Connectionless Functions
  • Connectionless Support
• Connection-Based Functions
  • Connection Handshake
  • Connection Shutdown

13. Supporting Processes

• Supporting Processes Overview
• Dynamic Host Configuration Protocol (DHCP)
  • Four-Step IP Addressing Process
• Domain Name System (DNS)
  • Top-Level Domains
  • Country Domains
  • Dynamic DNS
• ICMP Overview
  • The ping Command
  • Variation Reports

14. NetBIOS and NetBEUI

• A Historical Perspective
  • What is NetBIOS?
  • NetBIOS Services
  • NetBIOS vs. NetBEUI
  • NetBIOS over TCP/IP
• Server Message Block
  • SMB Security
• NetBIOS Limitations
  • The net Commands
  • The nbtstat Command

15. Security

• Network Security Overview
  • Network Security Assessment
  • Attack Types
  • Hackers and Attackers
  • Authentication
  • Encryption
  • Intrusion Detection Systems
• Content Filtering
  • Firewalls
  • Personal Firewalls
  • Packet Filters
  • Proxy Servers
  • Stateful Inspection Firewalls
• Security Levels
  • Single-Layer Protection
  • Double-Layer Protection
  • Triple-Layer Protection
• Virtual Private Networks (VPNs)
• Develop a Security Plan
  • Vulnerability Assessment

16. User and Manager Processes

• User and Manager Processes Overview
• Terminal Emulation
• File Transfer
  • Connection-Based File Transfer
  • Connectionless File Transfer
• E-Mail
  • Sending E-Mail
  • Retrieving E-Mail
• Web Browsing
  • Uniform Resource Locator
• Network Management

17. Wireless LANs

• Wireless LAN Overview
  • Wireless LAN Components
  • Wireless Design Issues
• Wireless LAN Standards
  • IEEE 802.11a
  • IEEE 802.11b
  • IEEE 802.11g
• Wireless Security
  • Basic Security Steps
  • Wired Equivalent Privacy
  • Wi-Fi Protected Access
• Non-Standard Solutions

18. Instant Messaging

• Instant Messaging Overview
  • Integrated Communications
  • Presence Awareness
  • Security Issues
• Sarbanes-Oxley (SOX) Act
• Standards
  • SIMPLE
  • XMPP

19. Networking Advances

• Internet Protocol version 6 (IPv6)
  • IPv6 Addressing
  • Internet2
• Voice over IP (VoIP)
  • Uses for VoIP
  • Why VoIP Instead of Traditional Voice?
• Wireless Broadband
• Video over IP

Labs

Lab 1: Network Equipment

• Identifying the Equipment
• Identifying the Cabling in the Classroom
• Identifying the Lab Configurations

Lab 2: Simple Networking with Ethernet

• Configuring your PC
• Cables Might Matter
• Connecting to the Hub
• Using netstat

Lab 3: Elementary Protocol Analysis

• The Protocol Analyzer
• Traffic Flow in a Hub Network
• Error Messages

Lab 4: Exploring Layer 2 Switching

• Using a Single Workgroup Switch
• Using Switches to Isolate Traffic Among Ports
• Viewing the Switch Forwarding Table
• Using Multiple Switches
• Controlling Traffic with the Spanning Tree Protocol
• Viewing Forwarding Tables from Other Vendors

Lab 5: Logical Addressing

• Identifying Classes of Addresses
• Identifying Public and Private Addresses
• Identifying Properly Formatted Masks
• Identifying Masks and Prefixes
• IP Network Address Selection
• Labeling an IP Network with Correct Addresses

Lab 6: Address Resolution Protocol (ARP) Processing

• View the ARP Cache
• Verify the ARP Cache Entries for the Classroom
• View an ARP Exchange Using the Protocol Analyzer

Lab 7: Subnetting

• Selecting Masks for Various Problems
• Creating a Subnet Plan
• Labeling the Network Diagram

Lab 8: Routing

• Add Routers to the Networks
• Convert Your Workstation to DHCP for Address Assignment
• Workgroup 1 Router Information
• Workgroup 2 Router Information
• Configurations

Lab 9: IP Header Analysis

• IP Header Information

Lab 10: TCP Operation

• Viewing a TCP Session
• Locating and Documenting the Three-Step Startup Process
• Locating and Documenting the Application Login Process
• Locating and Documenting the Logout Process
• Locating and Documenting TCP Session Termination

Lab 11: DHCP Operation and Analysis

• Viewing the Result of DHCP Failure
• Viewing Your DHCP Configuration
• View a UDP Header
• View the Four-Step DHCP Process

Lab 12: DNS

• Querying a DNS Server with nslookup
• Viewing a DNS Request
• Viewing a DNS Response

Lab 13: ICMP

• Examining an Echo Request/Echo Response Message Pair
• Examining a Network Unreachable Message

Lab 14: Network Security

• Implementing the Windows XP Firewall Function
• Testing the Windows XP Firewall Function
• Viewing the Configuration of the Firewall Implementation in the Network
• Testing the Network Firewall Function

Lab 15: User Processes

• Viewing an SMTP Session
• Viewing a POP3 Session

Lab 16: Wireless Networking

• Setting Up a Wireless Connection
• Verifying Your New IP Address
• Determining Your Wireless Connectivity

Lab 17: Instant Messaging

• o Instant Messaging

Lab 18: Leading Edge Processes

• Preparing for Voice over IP
• Placing a Call
• Watching the Call Process

Classroom Dates and Locations

Date	Location
Oct 18 - 22, 2010	Toronto, ON	Register
Oct 25 - 29, 2010	Calgary, AB	Register
Nov 22 - 26, 2010	Vancouver, BC	Register
Nov 29 - Dec 3, 2010	Ottawa, ON	Register
Dec 6 - 10, 2010	Montreal, QC	Register
Feb 7 - 11, 2011	Ottawa, ON	Register
Feb 14 - 18, 2011	Toronto, ON	Register
Mar 21 - 25, 2011	Vancouver, BC	Register

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