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Table Of Contents  CertiGuide to Network+
 9  Chapter 0110: Network Operating Systems (NOS)
      9  II  Anatomy of a NOS

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III  Microsoft Windows NT (and 2000)
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Network User Authentication

The network administrator is able to administer or use any machine on the network simply by logging (begin a computer session) onto the various computers using an administrator’s account.

By default the account for administrators is named Administrator in Microsoft NT and OS/2. Other operating systems use alternatives that are similar. The Administrator account still requires a password.

A profile or set of permissions or rights to perform various tasks is assigned by default to the account and will be utilized at each workstation (machine or pc) that the administrator logs into. The following examples show how Administrators accounts appear in Windows 2000. The account can be accessed several ways.

In this example we go to the control panel. From there the folder Administrative tools is chosen, and then choose Computer Management. In Computer Management, we then expand the local users and groups folder where the following screen will appear after expanding the folder. The folder is expanded by clicking on the + plus or – minus symbol.

Figure 48: Computer Management


In the example there is by default an Administrator account as well as a guest account (which is disabled) and one user listed.

In the following examples you will get the general idea of how the software helps determine what permission are allowed, as well as password settings.

Figure 49: Password settings



By choosing the properties option on the menu we will see the following example.

Figure 50: Administrator properties


We can see that this account and account name (Administrator) is built into the software management by default. There are options there to Name the Administrator and password options. If we chose the Member Of tab we see the following example.

Figure 51: Administrator Properties “Member Of” tab


These examples are similar in Administrator options in most Microsoft OS.


Each NOS requires an account and password for administration purposes. You need to know that the default account for NT and OS/2 is Administrator. The same name is sometimes used in UNIX. The alternatives are root or SU (Super User). For Novell the default account is ADMIN.

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CertiGuide for Network+ ( on
Version 1.0 - Version Date: November 7, 2004

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