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

wireless infrared
FALSE
fiber-optic cable
True
None of these

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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?

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
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 lock all the program groups
None of these

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

Broadcast messages are automatically routed to every segment of a LAN
Every computer on the network must process each broadcast message
None of these
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

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Windows NT
You are setting up a network in a school. You need to network 5 computers for the file and printer sharing. You want to use some donated cable and Ethernet adapters. You identify the donated adapters as ARCnet coaxial network adapters and 10Base2 Ethernet network adapters. You install an Ethernet adapter in each of the 5 computers and connect the donated cable. The computers are NOT able to maintain reliable communication. You suspect that you are NOT using the correct type of coaxial cable. Which type of coaxial cable should you be using?

None of these
RJ-45
RG-58 AU
RG-59 AU
RJ-11

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Windows NT
Bridges are ideally used in environments where there a number of well defined workgroups

A workgroup mode, with each engineer administering his or her own computer
True
A complete trust mode, with each engineer's computer trusting the other engineer's computers
None of these
FALSE

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