Because of performance problems， capacity needs to be added to a paging space named 
paging01 on hdisk1. The physical partition size of hdisk1 is 4MB. 
Which command will increase the size of paging01 by 100MB（）

单项选择题A System p administrator needs to upgrade a system from AIX 5.2 to AIX 5.3.  Which of the following installation methods would minimize downtime（）

A.Migration installation
B.Partition Mobility
C.alt_disk_install
D.update_all smit fastpath and reboot during the next scheduled outage

单项选择题An administrator attempted to run a sar -u report and received the following error： sar： 0551-201 Cannot open  var adm sa sa12.  Which of the following should be scheduled in adm’s crontab to enable sar reporting（）

A.sar
B.sa1
C.vmo
D.iostat

单项选择题A banking user with the userid of ’joe’ is unable to rsh from SYSTEMA to SYSTEMB without having to retype their password， but they can rsh from SYSTEMB to SYSTEMA. No other users are experiencing the same issue.  Both systems have a  home joe .rhosts file that contain the proper references to the other host. The  home joe .rhosts files on both SYSTEMA and SYSTEMB are owned by userid ’joe’.  Which of the following is the most likely cause of this problem（）

A.User ’joe’ is specified in the /etc/nologin on SYSTEMb.
B.User ’joe’ is specified in the /etc/nologin on SYSTEMa.
C.The file permissions on the /home/joe/.rhosts file on SYSTEMA are incorrect.
D.The file permissions on the /home/joe/.rhosts file on SYSTEMB are incorrect.

单项选择题WhichofthefollowingcommandsmayindicatehardwareredundancyprotectionofaPV（）

A.lsattr
B.lspv
C.lsvg
D.lsresource

单项选择题Sometimes performance is more important than availability （e.g.， in cases where the data can be easily re-created）.  Which of the following is the appropriate disk configuration for an application that requires faster writes over availability（）

A.RAID 1
B.RAID 6
C.RAID 0 + 1
D.RAID 0