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

fiber-optic cable
FALSE
wireless infrared
True
None of these

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Windows NT
As the network administrator, you create a new local group in the RESEARCH domain named R-Editors. The LAB domain trusts the RESEARCH domain. You can assign access permissions to the R-Editors group from

any Windows NT Server backup domain controllers in the RESEARCH domain
any Windows NT Workstation computer in the LAB domain
any Windows NT Server backup domain controller in the LAB domain
None of these
any Windows NT Workstation computer in the RESEARCH domain -

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

FALSE
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

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

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

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