多选题Evaluate the following command and its output: Which two statements correctly interpret the output?（）AFREE_SPACE indicates only the space that is currently unallocated.BALLOCATED_SPACE indicates only the space currently allocated and in use.CFREE_SPAC

第1题：

第2题：

Which of the following conclusions is most appropriate to draw to describe why du shows fewer blocks used than df?（）

• A、 The df command only counts the number of disk blocks and superblocks. 
• B、 The df command ignores space used for inodes, gnodes, and vnodes.
• C、 The du command does not take into account filesystem metadata. 
• D、 The du command counts indirect blocks and superblocks in its calculations. 

第3题：

第4题：

Evaluate the following command and its output：   SQL>SELECT * FROM dba_temp_free_space；  TABLESPACE_NAME TABLESPACE_SIZE ALLOCATED_SPACE FREE_SPACE  LMTEMP 250609664 101048576 149561088 Which two statements correctly interpret the output？（）

• A、 FREE_SPACE indicates only the space that is currently unallocated.
• B、 ALLOCATED_SPACE indicates only the space currently allocated and in use.
• C、 FREE_SPACE indicates only the space that is currently allocated and available for reuse.
• D、 ALLOCATED_SPACE indicates both the space currently allocated and used，and the space that is available for reuse.
• E、 FREE_SPACE indicates both the space that is currently allocated and available for reuse，and the space that is currently unallocated.

第5题：

The df command indicates that a filesystem is full， however， the du command indicates that not all space is allocated.  How would the system administrator isolate the discrepancy（）

• A、Use the fuser command to identify deleted but open files.
• B、Use the ipcs command to view orphan shared memory segments.
• C、Use the defrag command to determine if the filesystem is fragmented.
• D、Use the topas command to identify processes using the most system resources.

第6题：

Users frequently overrun the amount of space intended for them, resulting in full home filesystems. The customer is currently using AIX 5.3 with a mix of JFS and JFS2 filesystems.  Which of the following will contain the growth of the home filesystem space?（）

• A、Implement disk quota for all home filesystems
• B、Implement disk quota for the JFS2 home filesystems
• C、Recreate the home directories as individual filesystems
• D、Run the find command every night and delete all old files

第7题：

Which two statements are true when using the configure exclusive CLI command?（）

• A、Multiple users can enter configuration mode and have their own private configuration.
• B、When a user commits, only the user's changes are committed.
• C、A message indicates which other users are in configuration mode and what portion of the configuration they are editing.
• D、Only a single user can edit the configuration.

第8题：

第9题：

An administrator needs to apply a Technology Level update. During the preview install， the output indicates that there is insufficient space in the /usr filesystem. Review of the root volume group indicates there are no available physical partitions， but the /test jfs2 filesystem is only 8% used.  What is the most efficient method to use the available space in the /test filesystem to apply the update？（）

• A、Use chfs to reduce the /test filesystem
• B、Use cplv to copy the /test filesystem to a smaller logical volume
• C、Use migratepv l to move the /test filesystem to a different volume group
• D、Backup the /test filesystem， remove it， and recreate it with a smaller size

第10题：

Which two statements about bigfile tablespaces are true？ （）

• A、The bigfile tablespace have only one data file.
• B、The segment space management is automatic.
• C、The extent management is dictionary managed.
• D、The database can have only one bigfile tablespace.
• E、The bigfile tablespace can be converted to a smallfile tablespace.