70-291: MCSE Guide to Managing a Microsoft Windows Server 2003 Network, Enhanced Chapter 1: Networking Overview

Objectives Define a network and describe its usage Describe some of the features of Windows Server 2003 Understand the differences in the editions of Windows Server 2003 Identify the different types of networks commonly found in industry Describe common network protocols and their usage Guide to MCSE 70-291, Enhanced

Objectives (continued) Outline the Open Systems Interconnection (OSI) model and how it is used as a model for transmission of information across a network Recognize the components in the Windows Server 2003 networking architecture List common networking services available in Windows Server 2003 Guide to MCSE 70-291, Enhanced

Defining Networks Information is usually transmitted between computers via different types of media Media attaches to a computer system through adapter Network: Consists of two or more computers that can exchange information through a medium Servers share information or other resources Clients access shared resources Guide to MCSE 70-291, Enhanced

Defining Networks (continued) Single computer may be both a server and a client Windows Server 2003 is called a network operating system (NOS) Windows Server 2003 is the latest NOS superceding Windows 2000 and Windows NT4 Guide to MCSE 70-291, Enhanced

Windows Server 2003 Editions Multiple versions of Windows Server 2003 exist Each version is defined to meet the need of a certain market segment Versions Include: Web Edition Standard Edition Enterprise Edition Datacenter Edition Guide to MCSE 70-291, Enhanced

Web Edition Lower-cost edition Designed to be a dedicated web server Designed to be a direct competitor with the Linux operating system The server must be a member server or a standalone server Load balancing is supported Guide to MCSE 70-291, Enhanced

Web Edition (continued) Clustering is not supported Limited virtual private networking (VPN) support Lacks support for Macintosh services Internet Authentication Service is not supported No support for Remote Installation Services Lacks support for Windows Media Services Terminal Services are not supported Guide to MCSE 70-291, Enhanced

Standard Edition Most likely to be used as a departmental file and print server or application server Provides remote installation services (RIS) Can be used as a domain controller, member server, or standalone server Supports load balancing Does not support clustering Guide to MCSE 70-291, Enhanced

Standard Edition (continued) Full VPN support Support for Macintosh services Support for Windows Media Services Support for terminal services Guide to MCSE 70-291, Enhanced

Enterprise Edition Designed to enable large enterprises to deliver highly available applications and web services Available in both 32-bit and 64-bit versions Server can be a member server, domain controller, or standalone server Supports load balancing Clustering and Metadirectory Services are supported Guide to MCSE 70-291, Enhanced

Enterprise Edition (continued) Capable of 64-bit processing Support for hot add memory Non-Uniform Memory Access is supported (NUMA) Guide to MCSE 70-291, Enhanced

Datacenter Edition Designed for mission-critical applications that require the highest levels of availability and scalability Available in both 32 and 64-bit editions Cannot be bought as retail software Customer cannot add, update, or remove drivers and hardware Guide to MCSE 70-291, Enhanced

Datacenter Edition (continued) Server can be a member server, domain controller, or standalone server Support for load balancing and clustering Metadirectory Services are not supported 64-bit processing supported Hot add memory supported Guide to MCSE 70-291, Enhanced

Datacenter Edition (continued) NUMA supported Requires datacenter program Internet Connection Firewall (ICF) is not supported Guide to MCSE 70-291, Enhanced

Hardware Requirements for Windows Server 2003 Guide to MCSE 70-291, Enhanced

Activity 1-1: Installing Windows 2003 Server Objective: Install functional version of Windows 2003 Server software Make sure all hardware is listed in the hardware compatibility list available at www.microsoft.com Ensure requirements listed in the following two slides are met Follow instructions provided at installation along with those in the book to complete project Guide to MCSE 70-291, Enhanced

Windows Server 2003 Installation Hardware Requirements Guide to MCSE 70-291, Enhanced

Windows Server 2003 Installation Hardware Requirements (continued) Guide to MCSE 70-291, Enhanced

Activity 1-2: Determine the Currently Installed Version of Windows Server 2003 The purpose of this activity is to find out which version of Windows Server 2003 is running Start  Manage Your Server  Computer and Domain Name Information  General tab Observe and write down the version Guide to MCSE 70-291, Enhanced

Activity 1-3: Discover the Features of Windows Server 2003 Enterprise Edition Objective: Identify the features of the Enterprise edition using the Microsoft webpage Proceed to webpage www.microsoft.com/windowsserver2003 Click: Product Information  Product Overviews  Windows Server 2003  Enterprise Edition Overview Guide to MCSE 70-291, Enhanced

Network Types and Protocols Local area networks (LANs) connect computers within close proximity LANs are the most common types of networks Metropolitan area networks (MANs) connect computers separated by moderate distances Wide area networks (WANs) typically connect computers between cities, across countries, or even around the world Guide to MCSE 70-291, Enhanced

Network Types and Protocols (continued) A network protocol packages information into packets A media access method sends packets onto the media itself IPv4 Most common LAN protocol used today Also the standard protocol used to transmit information over the internet Guide to MCSE 70-291, Enhanced

Network Types and Protocols (continued) IPv6 offers enhancements to IPv4 Both IPv4 and IPv6 are referred to as TCP/IP IPX/SPX protocol: Used for backward compatibility with older networks Macintosh computers use the AppleTalk protocol Guide to MCSE 70-291, Enhanced

Network Types and Protocols (continued) Ethernet is the most common media access method used to send TCP/IP packets over a network In the token ring media access method, the computer with the token is allowed to transmit over the network Guide to MCSE 70-291, Enhanced

Activity 1-4: Viewing Available Protocols Objective: Verify protocols available for installation Make a list of all protocols currently installed on the server and all protocols available for installation Guide to MCSE 70-291, Enhanced

Network Architecture Various hardware and software that allow the transfer of information amongst computers on a network Guide to MCSE 70-291, Enhanced

The OSI Model Open System Interconnection model A seven-layer model Explains the different components used when sending or receiving data Guide to MCSE 70-291, Enhanced

The OSI Model (continued) Seven layers include: Application Presentation Session Transport Network Data link Physical Guide to MCSE 70-291, Enhanced

The OSI Model (continued) Server will interact with the application layer first Client interacts at the physical layer first Guide to MCSE 70-291, Enhanced

The OSI Model Guide to MCSE 70-291, Enhanced

The Windows Network Architecture Four main software components that comprise OSI: client, service, protocol, adapter Network Driver Interface Specification (NDIS) resides between protocols and adapter software Transport Driver Interface resides between clients and protocols and between services and protocols Guide to MCSE 70-291, Enhanced

The Windows Network Architecture (continued) Guide to MCSE 70-291, Enhanced

NDIS Developed by Microsoft and 3Com Used to speed the development of device drivers and enhance networking capabilities Developers of network card drivers and protocols can independently write code that communicates with NDIS Acts as intermediary for all communication between protocol and network card driver Guide to MCSE 70-291, Enhanced

NDIS (continued) Bindings between protocols and adapters are controlled by NDIS A single adapter can be bounded to multiple protocols and visa-versa Guide to MCSE 70-291, Enhanced

TDI Transport Driver Interface Provides clients and services with access to network services Emulates two network access methods: Network Basic Input/Output System (NetBIOS) Windows Sockets (WinSock) NetBIOS is the older network interface WinSock is used by Internet Explorer, Outlook Express, and other internet applications Guide to MCSE 70-291, Enhanced

Activity 1-5: Research Networking Architecture Objective: Use Microsoft’s Help and Support to get additional information about NDIS and TDI Find NDIS and TDI using the index within Help and Support Guide to MCSE 70-291, Enhanced

Common Network Services Dynamic Host Configuration Protocol (DHCP) Domain Name System (DNS) Windows Internet Naming System (WINS) Routing and Remote Access Service (RRAS) Network Address Translation (NAT) Guide to MCSE 70-291, Enhanced

Common Network Services (continued) Internet Connection Sharing (ICS) Internet Authentication Service (IAS) IP Security (IPSec) Internet Connection Firewall (ICF) Public key infrastructure (PKI) Guide to MCSE 70-291, Enhanced

Common Network Services (continued) Network load balancing Automated System Recovery Internet Protocol version 6 (IPv6) Point-to-Point Protocol over Ethernet (PPPoE) Volume Shadow Copy Guide to MCSE 70-291, Enhanced

Activity 1-6: Viewing the Status of Services Installed on a Windows Server 2003 Computer Objective: Identify installed network services Check if the ICF service is running Check what other services are running Check out which services are enabled, automatic, started, or stopped Guide to MCSE 70-291, Enhanced

Activity 1-7: View Networking Services Available for Installation Objective: View network services available for installation Use Add/Remove Programs for this activity Guide to MCSE 70-291, Enhanced

Summary Windows Server 2003: latest version of the Windows network OS with many new features Four editions of Windows Server 2003: Web, Standard, Enterprise, and Datacenter Editions Networks consist of two or more computers that share information Information must be formatted using a network protocol before being sent on the network itself Guide to MCSE 70-291, Enhanced

Summary (continued) OSI: General network architecture model that describes how information is sent to and received from a network TDI layer resides between clients and protocols or between services and protocols NDIS is responsible for binding protocols to network adapters Many network services are available in Windows Server 2003 Guide to MCSE 70-291, Enhanced