单项选择题
A. FTP
B. DHCP
C. DNS
D. WINS
单项选择题 AcompanyhasrecentlyswitchedISPsandisbeingassignedanewblockofpublicaddresses.ThepublicwebandFTPserversmustbere-addressedtosupportthischange.AfterchangingIP addressesandupdatingtheDNSrecordsmanycustomershavereportedthattheyarenotableto accesstheweborFTPservers.Whichofthefollowingcouldhavebeendonepriortomaking thesechangestomakeitmoretransparenttousers？（）
单项选择题 A power loss during a firmware update would MOST likely result in which of the following?（）
单项选择题 WhichofthefollowingservertypestranslatesNetBIOSnamestoIPaddresses？（）