多选题Examine the commands executed in a DBA session：SQL CREATE BIGFILE TABLESPACE MRKT 2 DATAFILE ’/u01/app/oracle/oradata/orcl/mrkt.dbf’ size 10M LOGGING 3 EXTENT MANAGEMENT LOCALSEGMENT SPACE MANAGEMENT AUTO； Tablespace created. SQL ALTER DATABASE DEFAULT

第1题：

第2题：

You are creating a locally managed tablespace to meet the following requirements： All the extents should be of the same size.  The data should be spread across two data files.  A bitmap should be used to record the free space within the allocated extents. Which three options would you choose？（）

• A、set PCTFREE and PCTUSED to 50
• B、specify extent allocation as Uniform
• C、specify extent allocation as Automatic
• D、create the tablespace as bigfile tablespace
• E、create the tablespace as smallfile tablespace
• F、set segment space management to Automatic
• G、use the RESIZE clause while creating the tablespace

第3题：

第4题：

You executed the following command: RMAN> RECOVER COPY OF DATAFILE '/u01/app/oracle/oradata/orcl/users01.dbf'; Which statement regarding the above command is correct?（）

• A、The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the image copy
• B、The '/u01/app/oracle/oradata/orcl/users01.dbf' data file is recovered from the last incremental backup
• C、  Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are updated with all changes up to incremental backup SCN. '/ u01/app/oracle/oradata/orcl/users01.dbf
• D、Image copies of the '/u01/app/oracle/oradata/orcl/users01.dbf' data file are recovered using the above command if data file recovery fails

第5题：

Examine the following commands executed in your database： SQL> ALTER SESSION RECYCLEBIN=ON； Session altered  SQL> CREATE TABLE emp TABLESPACE tbsfd AS SELECT * FROM hr.employees；  Table created.  Further， you executed the following command to drop the table：  SQL> DROP TABLE emp； Table dropped.  What happens in this scenario？ （）

• A、The table is moved to the SYSAUX tablespace.
• B、The table is moved to the SYSTEM tablespace.
• C、The table is removed from the database permanently.
• D、The table is renamed and remains in the TBSFD tablespace.

第6题：

第7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.

第8题：

第9题：

You executed the following command：   RMAN> RECOVER COPY OF DATAFILE ’/u01/app/oracle/oradata/orcl/users01.dbf’；   Which statement regarding the above command is correct？（）  

• A、 The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the image copy.
• B、 The ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file is recovered from the last incremental backup.
• C、 Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are updated with all changes up to incremental backup SCN.
• D、 Image copies of the ’/u01/app/oracle/oradata/orcl/users01.dbf’ data file are recovered using the above command if data file recovery fails.

第10题：

You are creating a recovery catalog for use with RMAN. You have issued these commands： SQL> CREATE TABLESPACE rman_ts DATAFILE  ’/DISK1/rman_ts01.dbf’ 2> SIZE 20M 3> DEFAULT STORAGE （initial 100K next 100K pctincrease 0）； SQL> CREATE USER rman_db01 IDENTIFIED BY rman_db01 2> DEFAULT TABLESPACE rman_ts 3> QUOTA unlimited ON rman_ts；  Which command should you issue next？（）

• A、RESYNC CATALOG；
• B、REGISTER DATABASE；
• C、CREATE CATALOG TABLESPACE rman_ts；
• D、GRANT recovery_catalog_owner TO rman_db01；