單項選擇題

Which of the following RAID levels supports fault tolerance by writing parity to only one drive in the array？（）

A.RAID 3
B.RAID 5
C.RAID 6
D.RAID 10

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單項選擇題

A server will not power on. Which of the following devices should the administrator use FIRST to determine the problem?（）

A. Loop back plugs
B. Power supply tester
C. System logs
D. TDR

單項選擇題

A company has 100GB of data that needs to be automatically backed up daily， and needs to be stored for 20 years.
Which of the following backup media is the BEST solution for archiving the server data？（）

A. Tape
B. SAN
C. Flash
D. Optical