单选题Which attribute of a JFS filesystem can NOT be changed after the filesystem is created？（）A The size of the filesystemB The placement of the filesystemC The mount point of the filesystemD The number of bytes per inode

第1题：

Which attribute of a logical volume can NOT be changed after it is created？（）

• A、The placement of the logical volume
• B、The stripe size of the logical volume
• C、The upper bound of the logical volume
• D、The intra-policy of the logical volume

第2题：

A system contains multiple hot-swap stand-alone disks with a large number of JFS2 file systems. Which feature of JFS2 can be used to improve reliability， availability and serviceability （RAS） if a disk failure occurs？（）

• A、Inline logging
• B、Dynamic inode allocation
• C、Linear directory organization
• D、Online filesystem defragmentation

第3题：

第4题：

A system administrator is unable to unmount a file system. Which is the appropriate command to determine who or what is accessing the file system？（）

• A、who /filesystem
• B、lsfs /filesystem
• C、fuser /filesystem
• D、umount -f /filesystem

第5题：

An Enhanced Journeyed File System that is in a shred non-concurrent Volume Group is growing  at an unexpected rate. It is the administrator’s task to enlarge the filesystem without interrupting service.  What method should be sued to achieve this goal？（）  

• A、 Use HACMP C-SPOC to increase the size of the JFS2 filesystem.
• B、 Use the smitty jfs2 fastpath to increase the size of the JFS2 filesystem.
• C、 Use HACMP C-SPOC to increase the size of the JFS2 filesystem and inline JFS2 logs.
• D、 Use mklvcopy hdisk# 2 jfs2lvname to increase the size of the JFS2 filesystem，then use splitlvcopy jfs2lvname 1 -y newjfs2lvname hdisk# to present the increased JFS2 filesystem to HACMP.

第6题：

Companycom wants to apply a PTF to the p5 590 system. After doing a preview install, the output shows there is insufficient space in the /usr filesystem. The root volume group has no available physical partitions left. They do not want to add additional disk drives to the system, but have a jfs2 filesystem that is only 8% used. What could they do to utilize space in the jfs2 filesystem to apply this PTF?（）

• A、Backup the filesystem and recreate smaller
• B、Use the chfs to reduce the filesystem size
• C、Use cplv to copy filesystem to smaller size
• D、Use migratepv to copy filesystem to smaller size

第7题：

Which attribute of a JFS filesystem can NOT be changed after the filesystem is created？（）

• A、The size of the filesystem
• B、The placement of the filesystem
• C、The mount point of the filesystem
• D、The number of bytes per inode

第8题：

第9题：

A system administrator created a /etc/exports file on server "Alpha" and entered a filesystem to be exported to server "Bravo." However， the remote servers are unable to mount the filesystems. What does the system administrator need to do？（）

• A、Use the exportfs command on server "Alpha" to export the filesystem
• B、Use the showmount command on server "Bravo" to import the filesystem
• C、Use the startsrc command on server "Bravo" to refresh the NFS daemons
• D、Use the chfs command on server "Alpha" to change the filesystem type to NFS

第10题：

A system administrator can create logical volumes and then add file systems to them， or create the file system directly. What is an advantage of the two-step approach instead of the one-step approach？（）

• A、The number of bytes per inode can be specified.
• B、Placement of the filesystem on the disk can be specified.
• C、The jfslog can be specified on creation of the filesystem.
• D、Either a JFS or JFS2 filesystem can be created on the logical volume.