单项选择题
When cabling a rack, which of the following is BEST practice?（）
A. Use rack specific cabling hardware
B. Let cables hang loosely behind the servers
C. Channel all power cables down the sides, and all network cables down the center
D. Keep cables close to the front of the rack for better access
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An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production. Which of the following steps should the administrator take next?（）
A. Identify necessary operating system updates
B. Implement the change
C. Document the change
D. Schedule system down time -
单项选择题
Anadministratorhasarackserverthatis3.5inches（8.9cm）tall.Whichofthefollowingisthe correctUsizeforthisserver？（）
A.One
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C.Three
D.Five -
单项选择题
WhichistheminimumnumberofdrivesinanRAID10configuration？（）
A.2
B.3
C.4
D.6
