单项选择题
A.configure the /etc/.rhosts with：webserver
B.configure the root’$HOME/.rhost file with：+webserver
C.configure each user’s $HOME/.rhosts file with：webserver
D.configure the root’$HOME/.rhost file with：webserver
单项选择题 HowshouldTCP/IPbeconfiguredontheent0networkadapter？（）
单项选择题 An administrator is moving a volume group from one server to another. The disks will be physically moved between the two systems. Which two operations are required on the volume group prior to the physical disk switch？（）
单项选择题 he system administrator is making system wide changes to a server， which will add to the PATH variable for the server environment. Where is the PATH variable found for the system？（）