单项选择题
A.Use a Class A fire extinguisher.
B.Evacuate personnel.
C.Install additional fans in the UPS
D.Backup the servers.
单项选择题 In a workgroup, all of the following steps are required for a DHCP server EXCEPT（）.
单项选择题 WhichofthefollowingisanadvantageofusingaKVMwithmultipleservers？（）
单项选择题 Whilereviewingthebackuplogsaserveradministratornoticesthatabackupjobforanapplication serveronthesamesubnethasfailed.WhichofthefollowingisMOSTlikelytheproblem？（）