Job Responsibilities
Configure and operate a variety of networking products.
Target Audience
Comprehensive approach to both preparing a student for CompTIA's
Network+ exam and developing proficiency in networking fundamentals
and advanced networking topics.
Prerequisites
Exam targeted for technicians with 18-24 months experience in IT
industry. Typical student would have A+ certification or equivalent
knowledge, but A+ certification is not required.
Course Outline:
1 Networking fundamentals
Why do we need Network?
A brief Survey of Networking
Mainframes
The PC Revolution
The development of local Area networks (LANs)
The development of wide area Networks (WANs)
Other Networks
Intranets
Segments and Backbones
The Internet
Extranets
Network Topologies
Point-to-Point topologies
Broadcast Topologies – 1
Broadcast Topologies – 2
Broadcast Topologies – 3
Co-operative Networking
Peer-to Peer Networking
Client/server Networking
Master/slave Networking
Features and benefits of Networks
2 Network Protocols
What is a network protocol?
The need for Standards
OSI 7-Layer Reference Model – Basics
OSI 7-Layer Reference Model – Layer
OSI 7-Layer Reference Model – Protocols
Protocol Data Unit (PDU)
Data flow
Data Link Sublayers
Addressing
Service Access point (SAP)
MAC Addresses
Network Addresses
Network Devices and the 7-layer Model The Need for Network
Devices
Main Types of Network Devices
Repeaters
Hubs
Multistation Access Units-token RingMAU
Bridges
Transporting Bridging
Problems with transporting Bridging –loops
Spanning tree Algorithm
Switched Hubs
The Network Layer and Packet Routing
Brouters
Gateways
Major network Protocols
Transmission control protocol-TCP/IP
Novell Netware Protocols
Apple talk Protocols
NetBIOS Extended User Interface
(NetBEUI)
other Network Protocol
802 standards
3 Physical links & interfaces
Basic Physical Network Components
Network Adapter cards
Network card configuration
Coaxial cabling
types of coaxial cabling: thinnet (10base2)
cabling
Thinnet Connectors & Terminators
thicknet (10Base5) Cabling
Coaxial Cabling Considerations
Cabling: Twisted pair
Twisted pair connectors
Using a crimping tool
Cable Categories
Fiber Optic Cabling
Structured Cabling
Remote Connectivity Modems
Direct Connections – Leased Lines
Dial-up Networking – POTS
Operation
UART
RS-232
DB-9 Connectors
Null Modem Connection
Modem Speeds
Modem Standards
Modem Installation
Modem Troubleshooting
Modem Diagnostics
Integrated Services Digital Network – ISDN
Integrated Services Digital Network (ISDN)
Terminal Adaptors
Comparison of ISDN and PSTN
Other Connectors
4 LAN Technologies
Overview of LAN Technologies
Ethernet Operation
Early Ethernet Implementations
Ethernet Frame Formats
Ethernet Limitations
Faster Ethernet Standards
Token Ring
IBM Token Ring: Physical Specification
Token Ring Frame Format
FDDI
FDDI Specifications and Standards
FDDI Physical Connections
FDDI Fault Tolerance
FDDI Frame Format
Other LAN Technologies
5 WAN Technologies
Features of WAN Technologies
Remote Connection Types
Direct Connections – Leased Lines
High-level Data Link Control – HDLC
Circuit-switched Networks
Serial Line Internet Protocol – SLIP
Dial-up Networking via the internet
Point-to-Point Tunneling Protocol (PPTP)
Packet-switched Networks
X.25
X.25 and the OSI Reference Model
Frame Relay
Frame Relay Operation
Frame Format
Asynchronous Transfer mode (ATM)
6 Network Operating Systems and Applications
Overview of Network Operating Systems
Resource Sharing
Principal Networking Operating Systems
Microsoft Windows NT/2000
Novell Netware
UNIX
Network Operating System Interoperability
Client Based Interoperability
Gateway Based Interoperability
Choosing a Network Operating System
Network Applications
E-Mail and X.400
Directory Services and X.500
Distributed Applications
7 Fundamentals of TCP/IP History
Standards
TCP/IP Protocols and Architecture
Comparison with OSI Architecture
Network Interface Layer
Internet Layer – Internet Protocol (IP)
IP Packet Structure
Address Resolution Protocol (ICMP)
Internet Group Management Protocol(IGMP)
Transport Layer
Transmission Control Protocol (TCP)
TCP Segment Structure
UDP Datagram Structure IP Addressing
Network ID and Host ID
Classes of IP Address
IP Address Restrictions
Private IP Addresses
Subnet Masks and Routing
Static vs Dynamic Routing
Static Routing
Dynamic Routing
Dynamic Routing Protocols
Classless Inter-Domain Routing (CIDR)
Ipv6 – IP version 6
TCP/IP Utilities
Remote Execution Utilities
Printing Utilities
Diagnostic Utilities
8 TCP/IP Applications
Ports and Sockets
Automatic TCP/IP Configuration – DHCP
DHCP Mechanisms
DHCP Implementation
Name Resolution
Hostname Resolution using the HOSTS File
FQDN Resolution using DNS (Domain
Name System)
Domain Name System (DNS)
DNS Name Space
Zones of Authority
Name Server Roles
Name Resolution
Domain Registration
NetBIOS Name Resolution using the
LMHOSTS File
Name Resolution by NetBIOS Name
Server – NBNS
Advantages of NBNS
Integrating WINS and DNS
Internet Access
Overview of the Internet
The World Wide Web
Hypertext Mark-up Language
Browsers
Internet Service Providers
Firewalls
Proxy Servers
E-mail
Using E-mail Simple Mail Transfer Protocol – SMTP
Post Office Protocol Version 3 (POP3)
Other TCP/IP Utilities
File Transfer Protocol – FTP
Trivial File Transfer Protocol – TFTP
Terminal Emulation – TELNET
Simple Network Management Protocol – SNMP
Management Information Base – MIB
SNMP Communities and Security
9 Network Administration
Overview of Network Administration
Managing Hardware and Software
Making Network Resources Available
User Accounts
User Privileges
User Profiles
Assigning Permissions to Shared resources
Choosing a File System
Network Security
Threats – Internal and External
Password Policies
Data Encryption
Viruses
Internet Issues
Preserving Data
Physical Failures
Media Failures – Disk Crashes
Disk Mirroring
Disk Duplexing
Disk Striping With Parity
System Failures
Mirrored Servers
Network Failures
Power Supply Problems
Software Bugs
Accidental Damage to Data
Back-up Strategies
Full Backup Strategy
Differential Backup Strategy
Incremental Backup Strategy
Disaster recovery Planning
Optimizing Performance
Network Troubleshooting
Step-by Step Troubleshooting
Common Problems