Networking Concepts Lesson 01 - Intro - Eric Vanderburg

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