单项选择题
An administrator has been having problems with server security. Many of the servers have been infected with viruses in the past. Which of the following can be done to ensure that systems avoid OS exploits？ （）
A. Implement an intrusion detection system （IDS）.
B. Implement a dual-factor authentication method.
C. Implement a patch management process.
D. Implement stronger user passwords.
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单项选择题
Abaremetalbackuprequireswhichofthefollowingbackupmethod ologies？（）
A. Full
B. Differential
C. Incremental
D. Database -
单项选择题
Anadministratorisbuildingaserverthatwillrunadatawarehousingapplication.Theserverwas orderedwitheight300GBdrives.TheapplicationrequiresadedicatedstoragelocationfortheOS andoneforcriticalfiles.Thecriticalfilestorageneedsfastaccessbutmustprovidehigh redundancy.TheOSrequires100GBandthefilerequires950GB.Whichofthefollowing configurationswillBESTsuitthedatawarehouseneeds？（）
A.OS：3 Drives，RAID 1 with hot spare；Files：5 Drives，RAID 5 with hot spare
B.OS：2 Drives，RAID 1；Files：6 Drives，RAID 1
C.OS：2 Drives，RAID 0；Files：6 Drives，RAID 5
D.OS：2 Drives，RAID 1；Files：6 Drives，RAID 5 with hot spare -
多项选择题
WhichofthefollowingisMOSTusefulinHVACplanning？（）
A. Uninterruptible Power Supply （UPS） load
B. Humidity
C. Amperage
D. Voltage
E. Temperature
