单项选择题
Which of the following protocols is responsible for the resolution of IP addresses to MAC addresses?（）
A. DHCP B. ARP C. DNS D. RARP
单项选择题 Whichofthefollowingserverrolessendsoutatimesignalforclientstosynchronizewithaclock？（）
单项选择题 Which of the following storage interface protocols has the FASTEST speeds?（）
单项选择题 WhichofthefollowingistheBESTwaytoensurethataserverisup-to-datewithallupdatesas soonastheyarereleased？（）
