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MCSE: Windows 2000 Exams in a Nutshell by Paul Murphy, Michael Moncur

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Managing Network Components

Windows 2000 is a versatile networking platform; Windows 2000 Professional is intended primarily as a network client. The following sections examine the key networking protocols and services included with Windows 2000 Professional, beginning with the complex and versatile TCP/IP protocol suite.

TCP/IP

TCP/IP (Transport Control Protocol/Internet Protocol) is a suite of protocols in widespread use on the Internet. These are also the protocols used with Unix systems. Windows 2000 installs TCP/IP support by default. This section describes TCP/IP and how to use Windows 2000 Professional as a TCP/IP client.

IP addressing

TCP/IP uses a system of IP addresses to distinguish between clients on the network. Each node has its own unique IP address. The IP address is a 32-bit number, expressed in dotted decimal format, such as 209.68.11.152. The four divisions of the IP address are referred to as octets .

A portion of the address is a network address, and a portion is a host address. The division between these components depends on the address class. In Class A addresses, the first octet is the network address and the remainder is the host. Class B networks use the first two octets as the network address, and Class C networks use the first three. Each class is also identified by a unique range for the first octet. Table 3-4 summarizes the IP address classes.

Table 3-4. IP Address Classes

Class

First Byte Range

Network /Host Octets

Number of Networks

Hosts per ...

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