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（）

单项选择题 ASystempadministratorhasbeeninstructedtoverifythatallfilesetshaveallrequiredrequisitesandarecompletelyinstalled.Whichofthefollowingcommandswillprovidethisinformation（）