Windows NT
In heavily overloaded networks, cross-bar switching offers better performance than cell-backplane switching

wireless infrared
FALSE
None of these
fiber-optic cable
True

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Windows NT
What does the transport protocol do?

It supports communications between applications on different computers by creating sessions, defining data-exchange formats, and providing application-support services
None of these
It defines how data should be presented to the next receiving layer, packages the data accordingly, and then passes the data to the application through the session layer interface.
It provides low-level access to the network adapters by providing data transmission support and some basic adapter management functions
It is responsible for establishing logical names on the network, establishing connections between two logical names on the network, and supporting reliable data transfer between computers that have es

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Windows NT
User Manager for domains

is used to create user profiles and system policies
is used to add a workstation to the domain
None of these
is used to change file permissions
is used to assign a log on script to a user or group of users

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Windows NT
You are adding a new server to your network. The network uses TCP/IP. The new server will provide users with dial-up access to network resources. The data link communications protocol you choose for dial-up access must allow you to provide secure authentication. Which protocol should you choose?

In the System option in Control Panel, set the user environment variables to allow Maria to log on locally
In the System option in Control Panel, select the setting that allows users to log on locally
None of these
DLC
PPP

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Windows NT
The system administrator wants to make sure that users have access only to certain programs on their systems. Which actions accomplish this?

None of these
Delete WINFILEJEXE from the WINNT directory create a mandatory user profile that disables the File menu in Program Manager, and assign the profile to all users
Create a mandatory user profile that disables the Run command, assign this profile to all users and remove File Manager from the Main group
Create a mandatory user profile and ensure that the Deny All option is set on all of the files that the user should not be able to access
Create a mandatory user profile and lock all the program groups

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Windows NT
Why does a high number of broadcast messages adversely affect overall network performance?

No computer on the network can transmit data until each broadcast message has been acknowledged by every computer on the network
Broadcast messages are automatically routed to every segment of a LAN
Every computer on the network must process each broadcast message
None of these
Each broadcast message requires an acknowledgement packet from every computer on the network

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