BACKUP状态的作用（）。A、保证产品质量B、便于操作C、保证产品产量D、保证操作人员安全
BACKUP状态的作用（）。
- A、保证产品质量
- B、便于操作
- C、保证产品产量
- D、保证操作人员安全
相关考题：
指定同/异步串口1和2的备份优先级分别为10和20的配置为()A.backup interface 1 10; backup interface 2 20B.backup interface serial 1 10; backup interface serial 2 20C.backup interface 1 priority 10; backup interface 2 priority 20D.backup interface serial 1 priority 10; backup interface serial 2 priority 20
关于VRRP，下列说法正确的是()。A.Master定期发送VRRP报文，如果Backup长时间没有收到报文，则将自己状态改为MasterB.Backup定期发送VRRP报文，如果Master收到Backup来的报文，比较优先级，确定是否将自己状态设定为Master或者BackupC.若有多台Backup，则根据发送的VRRP报文，选举优先级最大成为新的MasterD.在备份容错协议中，还有一种HSRP协议，此协议除了报文结构和VRRP不一样外，类的报文交互方式等全部都是一致的
在Quidway系列交换机上开启VRRP,若备用交换机从Backup状态转换为Master状态,则可能的原因是()。 A.Master与Backup之间链路downB.Master优先级低于或等于Backup优先级C.Master优先级变为0D.Master_down_time计时器超时
若在Quidway系列交换机上运行VRRP的虚接口状态变为down,则()。 A.Master迅速进入Backup状态B.Backup迅速进入Master状态C.Backup迅速进入Initial状态D.Master迅速进入Initial状态
当Master停止运行VRRP的时候，Master会立刻发出一个VRRP通告消息，在该消息中，Priority字段设置为（）；当Backup收到该消息后，立刻从Backup状态转为Master状态。
The backup utility reports an error while performing the backup process. The server indicates noother problems. Which of the following is the MOST likely cause of the failed backup？（）A、 Network is unavailableB、 The backup software is misconfiguredC、 The current backup tape is badD、 The wrong size backup tapes were loaded
关于VRRP，下列说法正确的是（）A、Master定期发送VRRP报文，如果Backup长时间没有收到报文，则将自己状态改为MasterB、Backup定期发送VRRP报文，如果Master收到Backup来的报文，比较优先级，确定是否将自己状态设定为Master或者BackupC、若有多台Backup，则根据发送的VRRP报文，选举优先级最大成为新的MasterD、在备份容错协议中，还有一种HSRP协议，此协议除了报文结构和VRRP不一样外，类似的报文交互方式等全部都是一致的
指定同/异步串口1和2的备份优先级分别为10和20的配置为（）A、backup interface 1 10； backup interface 2 20B、backup interface serial 1 10； backup interface serial 2 20C、backup interface 1 priority 10； backup interface 2 priority 20D、backup interface serial 1 priority 10； backup interface serial 2 priority 20
Which of the following BEST describes the difference between differential and incremental backups？（）A、 An incremental backup requires fewer tapes for restoration than a differential backup. B、 A differential backup tape takes less time than an incremental backup tape.C、 A differential backup requires fewer tapes for restoration than an incremental backup.D、 An incremental backup tape costs less than a differential backup tape.
Which command is used to configure RMAN to perform a compressed backup for every backup executed？（）A、 BACKUP AS COMPRESSED BACKUPSET DATABASEB、 BACKUP AS COMPRESSED COPY OF DATABASEC、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSETD、 CONFIGURE DEVICE TYPE DISK BACKUP TYPE COMPRESS E、 BACKUP DATABASE COMPRESS
When youre performing active database duplication，a backup of what kind is required？（） A、 A current RMAN backup-set backup is required.B、 No backup is required.C、 An RMAN image backup is required.D、 A manual backup is required.E、 A "duplicate" preparatory backup is required.
What is an obsolete backup set？（） A、 A backup set that is missing one or more backup set piecesB、 A backup that has exceeded the retention criteria and is no longer neededC、 A backup set that does not include archived redo logsD、 A backup set that can not be recovered due to corruptionE、 A backup set superceded by a datafile copy
What type of backup is stored in a proprietary RMAN format？（）A、 Backup setB、 Image copyC、 Backup sectionD、 Backup group
You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). You need to implement a backup schedule on Server1 to meet the following requirements: ·Everyday, back up all files and folders to disk. ·Every Friday, back up all files and folders to tape. ·Every Sunday, Tuesday, and Thursday, back up only the files and folders that have changed since the previous Friday’s backup to tape. Which backup jobs should you create? （）A、·a normal backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday, and ThursdayB、·a normal backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday, and ThursdayC、·a copy backup to disk everyday ·a normal backup to tape on Friday ·a differential backup to tape on Sunday, Tuesday and, ThursdayD、·a copy backup to disk everyday ·a normal backup to tape on Friday ·an incremental backup to tape on Sunday, Tuesday and, Thursday
单选题Which type of backup backs up only data blocks modified since the most recent backup at the same level or lower?（）ADifferential incremental backupBDifferent incremental backup CCumulative backup DCumulative incremental backup
单选题What type of backup is stored in a proprietary RMAN format？（）A Backup setB Image copyC Backup sectionD Backup group
单选题According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）AThe backup is similar to image copy.BThe backup contains all used data blocks.CThe backup contains only unused data blocks.DThe backup contains all data blocks changed since the last incremental level 1 backup.
单选题The backup utility reports an error while performing the backup process. The server indicates noother problems. Which of the following is the MOST likely cause of the failed backup？（）A Network is unavailableB The backup software is misconfiguredC The current backup tape is badD The wrong size backup tapes were loaded
单选题You need to recommend a backup strategy for Hyper-V. What should you recommend？（）ATake a snapshot of each VM， and then run a full backup of the Hyper-V hosts by using Windows Server Backup.BShut down the VMs，and then run a full backup of the Hyper-V hosts by using Windows Server Backup. Restart the VMs when the backup is complete.CFrom each VM,run a full backup by using Windows Server Backup， and then run a full backup of the Hyper-V hosts by using Windows Server Backup.DFrom each VM,run a full backup by using Windows Server Backup. Shut down the VMs， and then run a full backup of the Hyper-V hosts by using Windows Server Backup. Restart the VMs when the backup is complete.
单选题What is an obsolete backup set？（）A A backup set that is missing one or more backup set piecesB A backup that has exceeded the retention criteria and is no longer neededC A backup set that does not include archived redo logsD A backup set that can not be recovered due to corruptionE A backup set superceded by a datafile copy
单选题Which view provides information on the backup status of the datafiles in the database?（）AV$BACKUPBV$BACKUP_STATUS CV$BACKUP_DATAFILE DV$DATAFILE_BACKUP EV$TABLESPCE_BACKUP
单选题When youre performing active database duplication，a backup of what kind is required？（）A A current RMAN backup-set backup is required.B No backup is required.C An RMAN image backup is required.D A manual backup is required.E A duplicate preparatory backup is required.
填空题当Master停止运行VRRP的时候，Master会立刻发出一个VRRP通告消息，在该消息中，Priority字段设置为（）；当Backup收到该消息后，立刻从Backup状态转为Master状态。