单选题A system administrator has a filesystem called /test/data in volume group datavg. Which of the following commands will allow the administrator to create a mirrored copy of the filesystem’s data？（）A chfsB chlvC mklvcopyD mkfscopy

第1题：

第2题：

The system administrator wants to use a new jfslog /dev/fs1log with the filesystem /test/fs1 on the testvg volume group. The following commands were used to create the log and assign it to the filesystem：  （1）mklv -t jfslog -y /dev/fs1log testvg 1   （2）chfs -a log=/dev/fs1log /test/fs1   While trying to mount the /test/fs1 filesystem the administrator received the error：  "Cannot mount /dev/fs1lv on /test/fs1： A system call received a parameter that is not valid". What step did the administrator miss that most likely caused the error？（）

• A、Use the logform command to format /dev/fs1log as a jfslog
• B、Use the chlv command to change the lv type of /dev/fs1log to jfslog
• C、Use the chvg command to change the default jfslog of testvg to /dev/fs1log
• D、Edit the /etc/filesystems file to change the log associated with /test/fs1 to /dev/fs1log

第3题：

第4题：

In AIX 5L and later， the operating system supports the /proc filesystem. What would be the best description of the /proc filesystem？（）

• A、 It is a pseudo filesystem that maps processes and kernel data structures to corresponding files.
• B、 It is a JFS mounted filesystem that provides an exact representation of what is happening to a proces at a single and discrete point of time.
• C、 It is a JFS mounted filesystem that maps processes and read-only files related to these processes.
• D、 It is a pseudo filesystem that contains data that represents the state of the parent processes （but not their threads） in a system.

第5题：

An administrator is planning an upgrade of a major software package on an application server.The software has been tested successfully in a test environment and it is ready to go into production. Which of the following steps should the administrator take next?（）

• A、Identify necessary operating system updates
• B、Implement the change
• C、Document the change
• D、Schedule system down time

第6题：

第7题：

A system has a mirrored data volume group that has a filesystem /data of 10 logical partitions. How many physical partitions will thefilesystem have?（）

• A、1
• B、2
• C、10
• D、20

第8题：

第9题：

A server has 500GB of data that must be backed up nightly. The administrator has upgraded the oldLTO2 drive to an LTO3， but the data still will not fit on a single tape.  Which of the following additional stepsshould the administrator perform to accommodate the data？（）

• A、 Enable compression on the new drive
• B、 Reformat all tapes
• C、 Delete unnecessary system files
• D、 Purchase LTO3 tapes for use in the new drive
• E、 Purchase new backup software

第10题：

While using the smit install_remove menus to remove some filesets on an AIX 5.3 server， a system administrator notices the /usr filesystem is now unnecessarily large.  Which of the following actions will reduce the size of the /usr filesystem （）

• A、Backup， unmount， remove， recreate and restore the filesystem.
• B、Boot from mksysb tape and select Shrink filesystems on restore.
• C、Unmount， run defragfs /usr and the reducefs -size n /usr commands.
• D、Update the /image.data file with the desired size for /usr and reboot the system.