From MCSA/MCSE Exam 70-291: Implementing, Managing and Maintaining a Windows Server 2003 Network Infrastructure Study Guide

Introduction

Prior to the release of Windows NT 4.0, company networks relied heavily on IPX/SPX and even NetBEUI as their primary network/transport protocols, due to their simplicity and ease of configuration. At that time, TCP/IP was still widely referred to as the protocol of the Internet, and was seldom used for internal networks. It was considered too complex, too clunky and slow, and too difficult to configure and manage. Novell Netware had the greater share of the Network Operating System (NOS) market, although it did not support native IP; UNIX had the majority share of the Internet market and was primarily run with only IP.

One of the deterrents to using TCP/IP for the company network was its complex addressing scheme. In order to be routable across multiple networks a necessity for an Internet protocol TCP/IP relies on IP addresses that define both network and host addresses. Each address must be unique, and keeping track of all the addresses assigned to devices in a large network environment could be an administrative nightmare.

However, the Dynamic Host Configuration Protocol (DHCP) provides a mechanism for assigning IP addresses automatically, ensuring that there will be no duplicates on the network and relieving much of the administrative burden. With the introduction of DHCP into the networking world, more and more companies started relying on TCP/IP for their client centric communication protocol.

In the previous two chapters, we discussed the TCP/IP protocol, IP addressing, and how assigned IP address blocks can be divided to fit your network...

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Products & Services
Domain Registration Services
Domain registration services register URLs as well as transferring and auctioning registered domains.
VoIP and IP Telephony
VoIP and IP telephony allows PC users to make phone calls over the Internet or other packet networks via gateways and standard telephones.
Wireless Network Components
Wireless network components are used to build or replace worn out devices within a wireless network.
Packet Generators
Packet generators create a discrete chunk of communication in a pre-defined format.
Protocol Stack Software
Protocol stack software is a set of hierarchical network protocols that manage the flow of data in communication systems. Each protocol in the stack or suite supports the protocol above it and uses the one below it. TCP/IP is an example of a stack.

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