单项选择题
At boot time， which of the following services utilizes a central server to assign IP addresses to a host？（）
A.LDAP B.bootp C.DHCP D.bind
单项选择题 AllofthefollowingareinvolvedinaddingorremovingroutesfromtheAIXroutingtableEXCEPT：（）。
单项选择题 WhichofthefollowinginterfacesisappropriateforanEthernetadapterthatisconfiguredwithanIEEE802.3frametype？（）
单项选择题 Whichofthefollowingclassaddressesisreservedformulticast？（）
