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Network+ Guide to Networks
Third Edition
Chapter 8:
Network Operating Systems and
Windows Server 2003-Based Networking
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
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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
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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
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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?
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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?
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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?
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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
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Network Operating System Services
and Features (continued)
• Client/Server Communication
• Credentials- user name and password
• Redirector- intercepts the request
• Authentication- matching credentials
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Network Operating System Services
and Features (continued)
• Users and Groups
• Access a client (or user) has depends on user
account and groups assigned
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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).
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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
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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
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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
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Network Operating System Services
and Features (continued)
• Managing System Resources
• Memory
• Physical memory and Virtual memory
• Multitasking
• Preemptive multitasking
• Multiprocessing
• Processing and Threads
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Introduction to Windows
Server 2003
• Four different, but related NOSs:
• Standard Edition
• Web Edition
• Enterprise Edition
• Datacenter Edition
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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
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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
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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.
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A Closer Look at Windows
Server 2003
• Windows Server 2003 Memory Model
• Can use virtual memory
• Assigns each application (or process) its own 32bit memory area
• Allows you to install more physical memory
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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)
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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
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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.
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A Closer Look at Windows
Server 2003 (continued)
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A Closer Look at Windows
Server 2003 (continued)
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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
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A Closer Look at Windows
Server 2003 (continued)
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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
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A Closer Look at Windows
Server 2003 (continued)
• Trust Relationships
• Two-way transitive trust
• Explicit one-way trust
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A Closer Look at Windows
Server 2003 (continued)
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A Closer Look at Windows
Server 2003 (continued)
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A Closer Look at Windows
Server 2003 (continued)
• Naming Conventions
• Distinguished name (DN)
• Relative distinguished name (RDN)
• User principal name (UPN)
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A Closer Look at Windows
Server 2003
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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
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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
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Installing and Configuring a
Windows Server 2003 Server
(continued)
• Establishing Users and Groups
• Installation process creates two accounts:
• Guest
• limited privileges
• Administrator
• extensive privileges
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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
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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
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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
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