单项选择题
Which of the following RAID levels supports fault tolerance by writing parity to only one drive in the array？（）
A. RAID 3 B. RAID 5 C. RAID 6 D. RAID 10
单项选择题 WhichofthefollowingprotocolsisresponsiblefortheresolutionofIPaddressestoMACaddresses？（）
单项选择题 WhichofthefollowingtypesofDNSrecordsenablessupportforemail？（）
单项选择题 AfterapplyinganewdrivertoaNIC，theserverrebootsandfailstorestart.Whichofthefollowingis theBESTwaytoresolvetheproblem？（）
