Location:	Maidenhead, Berkshire, UK
Cost:	£1195 (plus 17.5% VAT)
Course Length:	5 days
To Book or for further details, call:	+44 (0) 1628 622187
Date:	See Schedule
	Click here to register to attend course

Introduction

This INTRO 640-821 preparation training course covers the necessary subjects to enable the student to move forward and sit and pass the INTRO 640-821 exam.

Hands-on practice

Approximately 40% of this course represents hands-on practice. The purpose of this is to help consolidate the subjects learnt and give the students practical as well as theoretical skills.

Who should attend the course?

This course is aimed at individuals who wish to pass the INTRO 640-821 exam or simply a thorough grounding in networking technologies. There are no particular prerequisites.

Course length

Four days.

Course agenda

1. Introduction to Computer Networking in LANs and WANs
2. Layered Communication Models: OSI and TCP/IP Models
3. Ethernet Fundamentals
4. LAN Cabling Fundamentals
5. Wide Area Networking (WAN) Fundamentals
6. Internet Protocol (IP) Fundamentals
7. Transmission Control Protocol (TCP) and User Datagram Protocol (UDP) Fundamentals
8. LAN Switching Fundamentals
9. Cisco LAN Switch Fundamentals
10. Virtual LANs (VLANs) and Trunking with Cisco Switches
11. Cisco Router Fundamentals and Configuration
12. Dynamic Routing Protocols
13. Remote Access via the WAN

1 INTRO 640-821 - Introduction to Computer Networking in LANs and WANs

• Introduction to networking
• LANs and WANs
• LANs - Ethernet, Token Ring, FDDI
  • LAN topologies
• WANs - The Internet, Dial-up via modem and ISDN, DSL
• Section summary and end-of-section review questions

• Introduction to layered models
• Benefits of Using a Layered Model
• Open Systems Interconnection (OSI) Model
  • Application, Presentation, Session, Transport, Network, Datalink, Physical
• TCP/IP Model
  • Application, Transport, Internetwork, Network Interface
  • TCP/IP Data Encapsulation
• OSI vs TCP/IP
• Section summary and end-of-section review questions

• Introduction to Ethernet
• Ethernet and the OSI model
  • Layer 1 functions
  • Layer 2 functions
• The older Ethernet standards - 10BASE5 (Thick Ethernet) and 10BASE2 (Thin Ethernet)
  • Using repeaters with 10BASE5 and 10ASE2
• More recent types of Ethernet:
  • 10BASE-T
  • 100BASE-T (Fast Ethernet)
  • 1000BASE-T (Gigabit Ethernet)
  • 10Gigabit Ethernet
• Ethernet frame formats:
  • Ethernet V2
  • IEEE 802.3
  • Sub Network Access Protocol (SNAP)
• Ethernet addresses - The MAC address - Physical/Unicast, Multicast and Broadcast
• Carrier Sense Multiple Access with Collision Detect (CSMA/CD)
• Performance limitations as a result of collisions
• Methods to reduce collisions
  • LAN switching
  • Full-duplex Ethernet
• Wireless LANs - IEEE 802.11
• Section summary and end-of-section review questions

• Overview of LAN cabling
  • Coaxial, Unshielded Twisted Pair (UTP), Shielded Twisted Pair (STP) and Fibre-optic cable
• Coaxial cable as used with 10BASE5 and 10BASE2
• Unshielded Twisted Pair (UTP)
  • Standards
  • RJ45 connectors
• Fibre-optic cabling and connectors
• Section summary and end-of-section review questions

• Introduction to WAN protocols
• Ponit-to-point WAN protocols and the OSI model
  • Layer 1 functions
    • Cabling, Clocking, DCEs and DTEs
  • Layer 2 functions
  • Framing formats
    • High Level Data-Link Control (HDLC)
    • Point-to-point Protocol (PPP)
• Other WAN technologies
  • Synchronous Optical Network (SONET) and Synchronous Digital Hierarchy (SDH)
  • Frame Relay
  • Asynchronous Transfer Mode (ATM)
• Section summary and end-of-section review questions

• Introduction to the Internet Protocol (IP)
• OSI layer 3 functions
  • Path selection (routing), interaction with layer 2, network layer addressing, routing protocols
• IP addressing
• IP network classes - Class A, Class B and Class C (and classes D and E)
  • Network masks
• Subnetting
• IP routing and routing protocols
  • Static routing
  • Routing protocols
• Other layer 3 functions:
  • Address Resolution Protocol (ARP)
  • Internet Control Message Protocol (ICMP)
  • Reverse Address Resolution Protocol (RARP)
  • Bootstrap Protocol (BOOTP)
  • Dynamic Host Configuration Protocol (DHCP)
  • Domain Name System
• Section summary and end-of-section review questions

• OSI layer 4 functions
• Connection oriented vs connectionless protocols
• Reliable and un-reliable protocols
• The use of port numbers
• Transmission Control Protocol (TCP)
  • The TCP header
  • Connection-opening and closing
  • Segmentation of data and data sequencing
  • Error recovery
  • Flow control using windowing
• User Datagram Protocol (UDP)
  • The UDP header
• Some TCP/IP and UDP/IP applications
  • File Transfer Protocol (FTP)
  • Telnet
  • Simple Mail Transfer Protocol (SMTP)
  • Domain Name System (DNS)
  • Trivial File Transfer Protocol (TFTP)
  • Hypertext Transfer Protocol (HTTP)
  • Post Office Protocol - version 3 (POP3)
  • Simple Network Management Protocol (SNMP)
• Section summary and end-of-section review questions

• Introduction to bridging and switching
  • Separation of collision domains - LAN segmentation
• Overview of transparent bridging
• Ethernet switching:
  • MAC address learning
  • Forwarding and filtering of frames
  • Broadcast, multicast and unknown unicast frame handling
  • Cut-through switching / Fragment-free switching / Store and forward switching
  • Full duplex operation
  • Auto-negotiation
• Loops in bridged/switched networks
  • The problem
  • The solution - Spanning Tree Protocol (STP)
• Section summary and end-of-section review questions

• Introduction to the Cisco 2950 LAN switch
  • A look at the 2950 operating system
• Configuring the 2950 through the Command Line Interface (CLI)
• Initial configuration mode
• 2950 configuration files
• Section summary and end-of-section review questions

• Overview of VLAN concepts and operation
• Trunking between switches
  • Cisco Inter-Switch Link - ISL
  • IEEE 802.1Q
  • A comparison between ISL and IEEE 802.1Q
  • Trunking Between a Switch and a Router
• Communicating between different VLANs
• Section summary and end-of-section review questions

• Introduction to the Internet Operating System (IOS)
• Access to the CLI
  • CLI Passwords
  • CLI Help
  • Editing of currently displayed command using short-cut key sequences
  • Router history commands
• Router Memory
  • RAM, ROM, Flash, NVRAM
• Configuration files
• Initial configuration (Setup mode)
• IOS software
  • Backing up / Loading IOS image
  • IOS boot sequence
  • Which OS to load?
• Password Recovery
• Using Host Names
• Telnet to a router and suspending the Telnet session
• Cisco Discovery Protocol (CDP)
• Configuring the Cisco router
  • Basic configuration
  • Configuring IP addresses
  • Viewing the routing table
  • Various other basic commands
• Section summary and end-of-section review questions

• Introduction to routing protocols
  • Interior Gateway Protocols (IGP) and Exterior Gateway Protocols (EGP)
  • Routing metrics
• Distance Vector routing protocols
  • Routing Information Protocol (RIP) Version 1
  • RIP Version 2
  • Interior Gateway Routing Protocol (IRGP)
• Link-State Routing Protocols
  • Open Shortest Path First (OSPF)
  • Integrated Interior System to Interior System (IS-IS)
• Balanced Hybrid routing protocols
  • Enhanced IGRP (EIGRP)
• The Internet EGP - Border Gateway Protocol (BGP)
• Section summary and end-of-section review questions

• Introduction to WAN remote access
• Overview of Public Switched Telephone Network (PSTN) Operation
  • Switched 64kbit/s channels
  • Analogue to digital conversion
• Analogue modems
  • Modulation and de-modulation of signals
  • Protocols carried across modems
  • Modem standards
• Integrated Services Digital Network (ISDN)
  • B and D channels
  • Call setup and how it works
• Digital Subscriber Line (DSL)
• Cable modems
• Section summary and end-of-section review questions