This document provides an introduction and overview of key networking concepts. It discusses the instructor's background and certifications. Some key points covered include how networks can reduce redundancy, enhance capabilities, share resources, and allow communication. Important acronyms like LAN, WAN, MAN, and NIC are defined. The document also summarizes network basics, types including client/server and peer-to-peer, advantages and disadvantages of each, and different server needs, vendors, and types.

1. Networking Concepts
Class Introduction & Chapter 1
Networking Concepts – Eric Vanderburg ©2005

2. Your Professor
 Two
Degrees in Computer Information
Systems & Technology
 Master’s Degree in Business Administration
with an Information Systems concentration
 IT Certifications

Microsoft Certified Systems Engineer (MCSE),
Microsoft Certified Systems Administrator (MCSA),
A+, Network+, iNet+, Security+, CIW-A, Project
Management & Systems Analysis certifications.
 Experience
teaching a variety of subjects
(Programming, Networking, Security, Human
Relations, & English)
Networking Concepts – Eric
Vanderburg ©2005

3. Networking
 Reduce
Redundancy
 Enhance Capabilities
 Share Resources
 Data
 Devices
 Internet
 Communicate
Networking Concepts – Eric
Vanderburg ©2005

4. Important Acronyms
 LAN
(Local Area Network)
 WAN (Wide Area Network)
 MAN (Metropolitan Area Network)
 NIC (Network Interface Card)
 NOS (Network Operating System)
 SAN (Storage Area Network)
 WPAN (Wireless Personal Area Network)
Networking Concepts – Eric
Vanderburg ©2005

5. Network Basics
 Network
Medium (Physical Connection )
 Optical,
 Network
Coaxial, Twisted Pair, Wireless
Protocol (Language)
 NetBEUI,
 Network
 Is
TCP/IP, IPX/SPX, AppleTalk
Software and Services
it Network Aware?
Networking Concepts – Eric
Vanderburg ©2005

6. Network Types
 Client/Server
 User
(Server Based)
Level Security
 Peer-to-Peer
 Share
(P2P)
Level Security
 Hybrid
Networking Concepts – Eric
Vanderburg ©2005

7. Peer to Peer

Advantages





Easy to install
No server needed
Each user has control
No administrators
needed
Disadvantages





Security & backups
must be applied
individually
Many passwords
needed
Reduced password
security
Reduced machine
performance
No central control
Networking Concepts – Eric
Vanderburg ©2005

8. Client Server
 Advantages
 Centralized
 Disadvantages
security
& backups
 Faster access
 Single password
 Better password
security
 Central
point of
failure
 Administrator
required
 Server and server
software required
Networking Concepts – Eric
Vanderburg ©2005

9. Models



Centralized Computing
 Easy to backup, Good security, low cost
 Slow network, fewer options
Distributed Computing
 Quick access, multiple uses
 Virus susceptibility, backup difficulty, file sync
Collaborative Computing
 Project RC5 & OGR (http://www.distributed.net)
 Seti@Home (http://setiathome.ssl.berkeley.edu/)
Networking Concepts – Eric
Vanderburg ©2005

10. Server Needs
 Fast
Disk Access
 High-end Processor
Win2K Pro
Win2K Server
CPU
300MHz or faster
Pentiumcompatible
500MHz or faster
Pentiumcompatible
RAM
256MB
1GB
Hard disk
 RAM
2GB of free space
4GB of free space
Number of users
AD size
10,000
62.2MB
100,000
454MB
1,000,000
4.10GB
10,000,000
41.9GB
16,000,000
68.6GB
Networking Concepts – Eric
Vanderburg ©2005

11. Server Vendors
 Microsoft
Windows NT
 Windows 2000
 Windows 2003

 Linux
(Various Distributions)
 Novell Netware
 Sun Microsystems
Solaris
 Looking Glass

Networking Concepts – Eric
Vanderburg ©2005

12. Server Types
 Domain
Controller
 Application Server
 File Server
 Print Server
 Communication Server
 Web Server
 Mail Server
 Name Server
Networking Concepts – Eric
Vanderburg ©2005

13. Book Corrections
 Pg.
18 RRAS
 We will use the term Domain Controller
rather than Directory Server
Networking Concepts – Eric
Vanderburg ©2005