单项选择题
Which of the following is a benefit of RAID 1？（）
A. Higher capacity
B. Higher performance
C. Fault tolerance
D. Multiple failure fault tolerance
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RAID5canbeBESTdescribedaswhichofthefollowing？（）
A. Mirroring with striping
B. Striping with dedicated parity
C. Striping with distributed parity
D. Independent disks with shared parity -
单项选择题
Atechnicianisinstallingnewmemoryinaserver.ThetechnicianwouldconsulttheHCLtoensure whichofthefollowing？（）
A.Memory and virtual memory compatibility
B.Memory and speed compatibility
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Atechnicianworksinadatacenterthatissharedbymultiplecompanies.Thetechnicianisconcernedwithpreventingthetheftofproprietaryinformationbyothertechnicianswithaccessto thedatacenter.WhichofthefollowingistheBESTwaytopreventdatatheftinthisscenario？（）
A.Mantraps
B.Two-factor authentication
C.Security personnel
D.Locked rack doors
