单项选择题
When choosing a hostname， which of the following naming conventions is most important to consider？（）
A.The name is unique globally
B.The name is unique in a specified domain
C.The name is not named after a person， place or thing
D.The name has special meaning to the machine’s function
单项选择题 Atboottime，whichofthefollowingservicesutilizesacentralservertoassignIPaddressestoahost？（）
单项选择题 AllofthefollowingareinvolvedinaddingorremovingroutesfromtheAIXroutingtableEXCEPT：（）。
单项选择题 WhichofthefollowinginterfacesisappropriateforanEthernetadapterthatisconfiguredwithanIEEE802.3frametype？（）