单选题You have taken a Logical Volume Manager (LVM) snapshot backup of a volume that contains the MySQL data directory. Why is it important to remove snapshots after completing a RAW backup in this way?（）A The snapshot size will continue to grow as changes t

第1题：

第2题：

A previously functional， scheduled snapshot operation against a JFS2 filesystem has failed. The JFS2 filesystem is mounted and appears intact.  What is the most likely cause of the failure and how should it be resolved？（）  

• A、The associated JFS2 log device has failed. Check the log device and varyon the device.
• B、The logical volume that hosts the snapshots is full. Increase the size of the logical volume.
• C、Fifteen snapshots already exist for the given JFS2 filesystem. Delete at least one existingsnapshot.
• D、The volume group that hosts both the snapshots and JFS2 filesystem has lost quorum. Check and correct the integrity of the volume group.

第3题：

第4题：

A system administrator has backed up the datavg volume group using the savevg command. There are several raw logical volumes and some unmounted jfs filesystems in datavg. Which of the following statements is true about this backup?（）

• A、The volume group and all logical volumes will be recreated. All raw and jfs filesystms will be backed up and restored.
• B、This backup will be bootable and the volume group and all jfs logical volumes will be recreated.
• C、This backup will not be bootable and the restorevg command is used to restore only the mounted and non-raw logical volumes. It will not recreate any logical volumes that are raw or unmounted.
• D、The volume group and all logical volumes information is archived and will be recreated. The raw and unmounted filesystems will not be backed up and therefore not restored.

第5题：

XIV的快照技术不支持？（）

• A、Snapshot of snapshot
• B、Writable Snapshot
• C、Snapshot Consistency Group
• D、Business Continue Volume

第6题：

第7题：

Server1 contains a folder named D:/Salesdata, which contains important company data. The hardware-monitoring software reports that the disk that contains volume D is in danger of imminent disk failure. You order a replacement disk, but you must wait at least one day for the disk to be delivered. You discover that you do not have a backup of the D:/Salesdata folder because a recent backup was configured incorrectly. You need to back up the D:/Salesdata folder so that you can restore the data if the disk fails. You need to achieve this goal as quickly as possible. What should you do? （）

• A、Perform a normal backup of the D:/Salesdata folder.
• B、Perform an incremental backup of the D:/Salesdata folder.
• C、Perform a differential backup of the D:/Salesdata folder.
• D、Perform a daily backup of the D:/Salesdata folder.
• E、Enable Shadow Copies on volume D:/Configure the shadow copy location as C:/.

第8题：

第9题：

A previously functional, scheduled snapshot operation against a JFS2 filesystem has failed. The JFS2 filesystem is mounted and appears intact. What is the most likely cause of the failure and how should it be resolved?（）

• A、The associated JFS2 log device has failed. Check the log device and varyon the device.
• B、The logical volume that hosts the snapshots is full. Increase the size of the logical volume.
• C、Fifteen snapshots already exist for the given JFS2 filesystem. Delete at least one existing snapshot.
• D、The volume group that hosts both the snapshots and JFS2 filesystem has lost quorum. Check and correct the integrity of the volume group.

第10题：

A system administrator’s daily monitoring has revealed a failing disk drive. The drive that is failing， hdisk0， is a lvm mirrored drive. What is the first step that should be taken in order to physically replace this drive？（）

• A、Remove the physical volume from the system.
• B、Remove the physical volume from the volume group.
• C、Remove the physical partitions from the volume group.
• D、Remove the logical volume copies from the failing drive.