Windows NT
Maria needs to install software on a Windows NT Server computer which is a backup domain controller. When she attempts to log on to the server, she receives the message "Unable to log on locally". What must you do to enable Maria to log on to the server?

In the System option in Control Panel, select the setting that allows users to log on locally
In User Manager for Domains, define Maria as a local account
In the System option in Control Panel, set the user environment variables to allow Maria to log on locally
In User Manager for Domains, assign Maria to a group that has the right to log on locally
None of these

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

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Windows NT
What is the purpose of the token in a network that employs a media access control method based on the IEEE 802.5 specification?

A token contains information that is used to route messages between rings
None of these
The station that holds the token is allowed to transmit a message on the network
Token passing provides higher throughput than CSMA/CD when twisted-pair wiring is used
The station that hold the token has the highest priority on the network

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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
Each broadcast message requires an acknowledgement packet from 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

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