Which of the following commands should be used to delete an entry from the /etc/inittab?（）
A、xitab
B、rmitab
C、chitab
D、delitab
Which of the following routing protocols involves all routers knowing the connections status ofother routers within the network?（）
A、RIPv2
B、OSPF
C、IGRP
D、BGP
Which command will remove the ‘stale’ status from a logical volume?（）
A、syncvg -p
B、syncvg -l
C、synclv -p
D、synclv -l
机房空调中压力最低的地方在（）。
A、冷凝器的入口
B、冷凝器的出口
C、压缩机的排气口
D、压缩机的吸气口
Which of the following commands can be used to obtain information about filesets on the system that are later than the current maintenance level？（）
A、 lslpp -I
B、 uname -r
C、 oslevel -g
D、 rpcinfo -p
In JUNOS software， which would prevent an OSPF router from importing the 10.0.0.4/30 summary route？（）
A、Import policies are not allowed， so this is not possible.
B、Export policies are not allowed， so this not possible.
C、Apply a firewall filter matching 10.0.0./4/30 and reject the route.
D、Apply an import policy matching 10.0.0.4/30 and reject the route.