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【单项选择题】

You issue the following command on the RMAN prompt.<br /> REPORT NEED BACKUP DAYS 5;<br /> Which statement is true about executing this command?（）<p> You issue the following command on the RMAN prompt.<br /> REPORT NEED BACKUP DAYS 5;<br /> Which statement is true about executing this command?（）</p>

A、A. It will display a list of files that need incremental backup

B、B. It will display a list of files that need backup after five days

C、C. It will display a list of files that were backed up in the last five days

D、D. It will display a list of files that have not been backed up in the last five days

E、E. It will apply the current retention policy to determine the files that need to be backed up

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更多“You issue the following command on the RMAN prompt.<br /> REPORT NEED BACKUP DAYS 5;<br /> Which statement is true about executing this command?（）<p> You issue the following command on the RMAN prompt.<br /> REPORT NEED BACKUP DAYS 5;<br /> Which statement is true about executing this command?（）</p>”相关的问题
第1题
[] You opened the encryption wallet and then issued the following command: Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column. What is the outcome?（） You opened the encryption wallet and then issued the following command: Then you closed the wallet. Later, you issued the following command to create the EMPLOYEES table in the SECURESPACE tablespace and you use the NO SALT option for the EMPID column. What is the outcome?（）

A、A. It creates the table and encrypts the data in it.  B、B. It generates an error because the wallet is closed.  C、C. It creates the table but does not encrypt the data in it.  D、D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.  

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第2题
[] You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.  B、B. RMAN reads the block change tracking file when it performs both incremental backups.  C、C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.  D、D. RMAN does not read the block change tracking file when it performs either incremental backup.  

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第3题
[] You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（）

A、A. RMAN reads the block change tracking file only when it performs the incremental level 0 backup.  B、B. RMAN reads the block change tracking file when it performs both incremental backups.  C、C. RMAN reads the block change tracking file only when it performs the incremental level 1 backup.  D、D. RMAN does not read the block change tracking file when it performs either incremental backup.  

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第4题
[单选题] Upon starting your database, you receive the following error: You can choose from the following steps: 1.Restore the database datafiles. 2.Issue the alter database clear unarchived logfile group 1 command. 3.Issue the alter database open command. 4.Issue the alter database open resetlogs command. 5.Recover the database using point-in-time recovery. 6.Issue the Startup Mount command to mount the database. 7.Back up the database. Which is the correct order of these steps in this case?（）

A、1,6,5,4,7  B、6,5,4  C、6,2,3,7  D、1,6,3  E、The database cannot be recovered  

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第5题
[] Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you issued the following command: RMAN> BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which two statements are true in the above situation?（） Examine the following command used to perform incremental level 0 backup: RMAN> BACKUP INCREMENTAL LEVEL 0 DATABASE; To enable the block change tracking, after the incremental level 0 backup you issued the following command: SQL> ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE '/mydir/ rman_change_track.f'; To perform incremental level 1 cumulative backup, you is

A、A. The block change tracking data will be used only from the next incremental 0 backup.  B、B. The incremental backup will use change tracking data for accomplishing the backup.  C、C. The incremental backup will not use change tracking data for accomplishing the backup.  D、D. The block track file will scan all the blocks and create bitmap for all the blocks backed up in the level 0 backup.  

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第6题
[] You just issued the following statement: ALTER TABLE SALES DROP COLUMN PROFIT. Which of the following choices identifies when the column will actually be removed from Oracle?（）

A、A.Immediately following statement execution   B、B.After the ALTER TABLE DROP UNUSED COLUMNS command is issued   C、C.After the ALTER TABLE SET UNUSED COLUMN command is issued   D、D.After the ALTER TABLE MODIFY command is issued  

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第7题
[] After logging into the RtrB router, you issue the "show interface" command as displayed below: After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（） After logging into the RtrB router, you issue the "show interface" command as displayed below: After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（）

A、A. PPP  B、B. IP  C、C. Compression  D、D. IPX  E、E. Multilink  F、F. ATX  

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第8题
[单选题] You are a network technician at TestKing, Inc. You are currently troubleshooting a routing issue on the Testking1 router. You issue the show ip route command. The output from the command is displayed in the following exhibit: Which one of the following routes WILL NOT be entered into its neighboring routers routing table?（）

A、R 192.168.11.0/24 [120/7] via 192.168.9.1, 00:00:03, Serial1  B、C 192.168.1.0/24 is directly connected, Ethernet0  C、R 192.168.8.0/24 [120/1] via 192.168.2.2, 00:00:10, Serial0  D、R 192.168.5.0/24 [120/15] via 192.168.2.2, 00:00:10, Serial0  E、None of the above  

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第9题
[单选题] Your multitenant container database (CDB) contains a pluggable database, HR_PDB. The default permanent tablespace in HR_PDB is USERDATA. The container database (CDB) is open and you connect RMAN. You want to issue the following RMAN command: RMAN > BACKUP TABLESPACE hr_pdb:userdata; Which task should you perform before issuing the command?（）

A、Place the root container in ARHCHIVELOG mode.  B、Take the user data tablespace offline.  C、Place the root container in the nomount stage.  D、Ensure that HR_PDB is open.  

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第10题
[] You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB. You issued the following RMAN commands to create a duplicate database: Which three are the prerequisites for the successful execution of the above command?（） You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system with the name DUPDB. You issued the following RMAN commands to create a duplicate database: Which three are the prerequisites for the successful execution of the above command?（）

A、A. The source database should be open  B、B. The target database should be in ARCHIVELOG mode if it is open  C、C. RMAN should be connected to both the instances as SYSDBA  D、D. The target database backups should be copied to the source database backup directories  E、E. The password file must exist for the source database and have the same SYS user password as the target  

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