單項選擇題

Which of the following is the MOST important troubleshooting step？（）

A.Test the theory.
B.Perform a root cause analysis.
C.Establish a plan of action.
D.Make one change at a time.

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Two file servers have run out of local disk space. The internal drives are at capacity and the company has traditionally only used local disks for storage. Which of the following is the MOST cost effective solution to add storage to both servers?（）

A. Install fiber cards into the servers and add direct attached storage.
B. Install fiber cards into the servers and implement a SAN solution.
C. Attach a USB drive to one of the servers.
D. Add a NAS to the environment

單項選擇題

A server has a single failed hard drive in an array that is accessed through a hot plug backplane to ease replacement of failed drives. After replacing the drive several times， each of the replacement drives failed to power up and rebuild as the failed drive.
Which of the following is the MOST likely cause of the failures？（）

A. The backplane has failed and needs to be replaced.
B. The array must be disbanded and recreated from a backup source to recognize the replacement drive.
C. There is a conflict with the optical drive on the server.
D. The server power supply is failing and not providing enough power for all the drives.