An administrator reboots a ten drive server， with a RAID 10 array， after a power failure and receives an error logical drive failed. 
Which of the following is the MOST likely cause？（）

单项选择题There is a power outage and all servers are shut down properly by the uninterruptible power supply（UPS） software. When one of the servers starts up it displays a logical drive failed error. This server has two processors，16GB of memory， and a RAID 5 array with 10 drives.  Which of the following is the MOST likely cause？（）

A. A failed RAID controller
B. Two failed processors
C. Two failed sticks of memory
D. Two failed drives

多项选择题Whichofthefollowingwillallowaservertocontinuetofunctionifastickofmemoryfails？（）

A. Chipkill
B. Memory RAID
C. Registered memory
D. ECC
E. Hot spare

单项选择题WhichofthefollowingistheFIRSTthingtoconsiderwhendesigninganemailretentionpolicy？（）

A. Local laws and industry regulations
B. Company policies and guidelines
C. Project guidelines given by stakeholders
D. Mail server and backup capacity

单项选择题WhichofthefollowingreplicationmethodsisMOSTfaulttolerant？（）

A. Hot site
B. Active/passive clustering at the same site
C. Disk-to-disk replication in the same server
D. Warm site

单项选择题Users are having trouble printing in terminal services. The administrator finds that whenever acertain user prints the print spooler crashes.  Which of the following is the MOST likely problem？（）

A. The user is using a PostScript driver.
B. The printer is not on the HCL.
C. The user does not have the appropriate permissions to print.
D. The printer driver is not installed on the terminal server.