单项选择题 A System p administrator has increased the size of the logical volume lv00.  The administrator now wants to enlarge the filesystem /fs00 that is mounted on lv00 to the same size as lv00.  Which of the following commands will show the administrator the number of blocks to use when increasing the size of the filesystem /fs00（）

单项选择题 A System p administrator must change the 9.47.53.0 subnet from 128 addresses to 64  addresses.  How can the AIX systems in the network be permanently modified to accomplish this（）

单项选择题 A state agency has recently deployed a new critical application on an 8-way p570. The state government has just mandated that all agencies have disaster recovery plans to recover critical  applications in acceptable periods of time with no loss of performance.  Which of the following will best address this new requirement（）