Basic Networking Guide

1. Chapter 8:
Network Operating Systems and
Windows Server 2003-Based Networking
Network+ Guide to Networks

2. 2
Objectives:
Discuss the functions and features of a
network operating system
Define the requirements for a Windows
Server 2003 network environment
Describe how Windows Server 2003 fits into
an enterprise-wide network

3. 3
Objectives (continued)
Perform a simple Windows Server 2003
installation
Manage simple user, group, and rights
parameters in Windows Server 2003
Understand how Windows Server 2003
integrates with other popular network
operating systems

4. 4
Introduction to Network
Operating Systems
• Centrally manage network resources
• Secure access to network
• Allow remote users to connect
• Allow users to connect to other networks
• Back up data and make sure it’s available
• Allow for simple additions of clients and resources
• Monitor status and functionality of network elements
• Distribute programs and software updates to clients
• Ensure efficient use of a server’s capabilities
• Provide fault tolerance

5. 5
Introduction to Network
Operating Systems (continued)
• Selecting a Network Operating System
• Compatible with existing infrastructure?
• Provide the security required by resources?
• Can technical staff manage it effectively?
• Will applications run smoothly on it?

6. 6
Introduction to Network
Operating Systems (continued)
• Selecting a Network Operating System
• Will it accommodate future growth?
• Does it support the additional services users
require?
• Does it fit budget?
• What additional training will it require?
• Support from its manufacturer?

7. 7
Introduction to Network
Operating Systems (continued)
• Network Operating Systems and Servers
• How many clients will connect to the server?
• What kinds of applications will run on the server?
• How much storage space will each user need?
• How much downtime, if any, is acceptable?
• What can the organization afford?

8. 8
Network Operating System
Services and Features
• Client Support
• Creating and managing client accounts
• Enabling clients to connect to the network
• Allowing clients to share resources
• Managing clients’ access to shared resources
• Facilitating communication between clients

9. 9
Network Operating System Services
and Features (continued)
• Client/Server Communication
• Credentials- user name and password
• Redirector- intercepts the request
• Authentication- matching credentials

10. 10
Network Operating System Services
and Features (continued)
• Users and Groups
• Access a client (or user) has depends on user
account and groups assigned

11. 11
Network Operating System Services
and Features (continued)
• Identifying and Organizing Network
Elements
• Directory
• LDAP (Lightweight Directory Access Protocol)
• Object
• Attributes
• Schema
• Containers, or Organizational Units (OUs).

12. 12
Network Operating System Services
and Features (continued)
• Sharing Applications
• Ability to share resources, reducing costs and time
required to manage the resources
• Sharing Printers
• Increase the efficiency of managing resources and
reduce costs for an organization

13. 13
Network Operating System Services
and Features (continued)
• Sharing Printers
• All NOSs can
• Create an object that identifies the printer to the rest
of the network
• Assign the printer a unique name
• Install drivers associated with the printer
• Set printer attributes, such as location and printing
preferences

14. 14
Network Operating System Services
and Features (continued)
• Sharing Printers
• All NOSs can (continued)
• Establish or limit access to the printer
• Remotely test and monitor printer functionality
• Update and maintain printer drivers
• Manage print jobs, including modifying a job’s
priority or deleting jobs from the queue

15. 15
Network Operating System Services
and Features (continued)
• Managing System Resources
• Memory
• Physical memory and Virtual memory
• Multitasking
• Preemptive multitasking
• Multiprocessing
• Processing and Threads

16. 16
Introduction to Windows
Server 2003
• Four different, but related NOSs:
• Standard Edition
• Web Edition
• Enterprise Edition
• Datacenter Edition

17. 17
Why Choose Windows Server
2003?
• General benefits, Standard Edition
• Support for multiple processors, multitasking, and
symmetric multiprocessing
• Active Directory
• Microsoft Management Console (MMC)
• Integrated Web development and delivery services
• Support for modern protocols and security

18. 18
Why Choose Windows Server
2003? (continued)
• General benefits, Standard Edition
• Excellent integration with NOSs and support for
client operating systems
• Integrated remote client services
• Provisions for monitoring and improving server
performance
• Support for high-performance, large-scale storage
devices

19. 19
Windows Server 2003
Hardware Requirements
• Servers generally require more processing
power, memory, and hard disk space than
do client workstations
• The Hardware Compatibility List (HCL)
lists all computer components proven to
be compatible with Windows Server 2003.

20. 20
A Closer Look at Windows
Server 2003
• Windows Server 2003 Memory Model
• Can use virtual memory
• Assigns each application (or process) its own 32-
bit memory area
• Allows you to install more physical memory

21. 21
A Closer Look at Windows
Server 2003 (continued)
• Windows Server 2003 File Systems
• FAT (File Allocation Table)
• FAT16 & FAT32
• CDFS (CD-ROM File System) and UDF (Universal
Disk Format)
• NTFS (New Technology File System)

22. 22
A Closer Look at Windows
Server 2003 (continued)
• Microsoft Management Console (MMC)
• All administrative tools are integrated into a single
interface
• Purpose is to gather multiple administrative tools
into a convenient console for your network
environment

23. 23
A Closer Look at Windows
Server 2003 (continued)
• Active Directory
• Workgroups
• Group of interconnected computers that share each
other’s resources
• Domains
• Domain model
• Domain controllers
• Member servers.

24. 24
A Closer Look at Windows
Server 2003 (continued)

25. 25
A Closer Look at Windows
Server 2003 (continued)

26. 26
A Closer Look at Windows
Server 2003 (continued)
• Active Directory (cont.)
• Organizational Units
• NOSs use organizational units (OUs) to hold
multiple objects that have similar characteristics
• Windows Server 2003 OU can contain over 10
million objects

27. 27
A Closer Look at Windows
Server 2003 (continued)

28. 28
A Closer Look at Windows
Server 2003 (continued)
• Trees and Forests
• Domain tree
• Root domain
• Child domains
• Forest
• Collection of one or more domain trees

29. 29
A Closer Look at Windows
Server 2003 (continued)
• Trust Relationships
• Two-way transitive trust
• Explicit one-way trust

30. 30
A Closer Look at Windows
Server 2003 (continued)

31. 31
A Closer Look at Windows
Server 2003 (continued)

32. 32
A Closer Look at Windows
Server 2003 (continued)
• Naming Conventions
• Distinguished name (DN)
• Relative distinguished name (RDN)
• User principal name (UPN)

33. 33
A Closer Look at Windows
Server 2003

34. 34
Planning for Installation
• Create a plan for your server and its place
in your network
• Consider many factors, including
organizational structure, server function,
applications, number of users, LAN
architecture, and optional services

35. 35
Installing and Configuring a
Windows Server 2003 Server
• The Installation Process
• Can install from a CD-ROM or remotely over the
network
• Initial Configuration
• Server still isn’t ready to support clients
• You must configure the software

36. 36
Installing and Configuring a
Windows Server 2003 Server
(continued)
• Establishing Users and Groups
• Installation process creates two accounts:
• Guest
• limited privileges
• Administrator
• extensive privileges

37. 37
Internetworking with Other
Network Operating Systems
(continued)
• Windows Server 2003 can communicate
with almost any kind of client and, given
the proper software and configuration,
with the other major NOSs

38. 38
Chapter Summary
• Functions and features of a network
operating system
• Define the requirements for a Windows
Server 2003 network environment
• Describe how Windows Server 2003 fits
into an enterprise-wide network

39. 39
Chapter Summary (continued)
• Perform a simple Windows Server 2003
installation
• Manage simple user, group, and rights
parameters in Windows Server 2003
• Understand how Windows Server 2003
integrates with other popular network
operating systems