Which of the following performance benefits would multiple domain controllers BEST provide?
A. Fault tolerance
B. Caching engine
C. Proxy server
D. Quality of service
Answer: A. Fault tolerance
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Which of the following would be the best choice for a primary key?
A) Social Security Number B) Last Name C) Street Address D) First Name
When working with linked lists, records are “linked” together by including the ____ of the next record in the record immediately preceding it.
a. address b. name c. id d. object sequence number
A laptop is not charging the battery and occasionally shuts off even when the power cord is plugged in. This is a symptom of a bad:
A. DC jack. B. hard drive. C. cooling system. D. battery.
A technician is at a small facility that has five computers connected to a central switch and accessing a single server for file and print sharing. One computer becomes unable to connect to the network, while the other four are still connecting properly. Which of the following could be causing the computer to not connect to the network?
A. The server has failed. B. The computers OS needs to be updated. C. The switch has failed. D. The NIC has failed