Which command will increase the contiguous free space of a file system without having to add additional partitions？（）
A、chfs
B、fsck
C、chlv
D、defragfs
Which of the following commands should be used to delete an entry from the /etc/inittab?（）
A、xitab
B、rmitab
C、chitab
D、delitab
下列人（手）孔位置设置符合标准的是（）。
A、人（手）孔位置应设置在光（电）缆分支点
B、引上光（电）缆汇接点
C、坡度较大的管线拐弯处
D、以上都不是
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
单一方向标准孔（孔径90mm）不多于6孔时，宜采用哪种类型（）。
A、手孔
B、小号人孔
C、中号人孔
D、大号人孔
Which of the following tasks is not performed by the job coordinator?（）
A、Update job log when a job completes
B、Spawn and remove job slaves
C、Write/read job info to/from memory cache
D、Query job table
E、Pass job information to job slaves