A system administrator needs to provision storage for a 200GB database. The database must have extremely low seek time. Which of the following is the BEST solution？（）

Adatacenterdirectorimplementsanewsecuritymeasureinrespo...

单项选择题A datacenter director implements a new security measure in response to multiple equipment thefts from the datacenter. The new security measure requires people entering or leaving the data center to go through an extra secure area. Once entering the area people must present two forms of authentication to leave. Which of the following security measures does this describe？（）

An administrator needs to maintain 1TB of storage space...

单项选择题

An administrator needs to maintain 1TB of storage space for a server. A performance critical application will use this storage space for a database. The database will be replicated between multipleservers. Cost and performance are the most important considerations. 
Which of the following RAID configurations would be the BEST choice for the storage array？（）

WhichofthefollowingshouldbedoneFIRSTwhentroubleshooting...

单项选择题Which of the following should be done FIRST when troubleshooting a problem？（）