You have not configured Oracle Managed...

单项选择题You have not configured Oracle Managed Files (OMF) in your database. You do not want to scan the entire datafile every time an incremental backup is performed. You decide to enable the block change tracking feature. Which statement should you use to enable the block change tracking feature?（）

A. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING;
B. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING USING FILE <path>;
C. ALTER DATABASE ENABLE BLOCK CHANGE TRACKING USING FILE <path>;
D. ALTER SYSTEM ENABLE BLOCK CHANGE TRACKING;

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1.单项选择题Which statement is true when Automatic Workload Repository (AWR) baselines are created using baseline templates?（）

A. AWR baselines are always created as repeating baselines.
B. AWR baselines can be created on the basis of two time values.
C. AWR baselines are always created with infinite expiration duration.
D. AWR baselines are always created using the Automatic Workload Repository (AWR) retention period as expiration duration.

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2.单项选择题Which background process of a database instance, using Automatic Storage Management (ASM), connects as a foreground process into the ASM instance?（）

A. ASMB
B. PMON
C. RBAL
D.SMON

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3.单项选择题 You discover that your Recycle Bin contains two tables with the same name, MY_TABLE. You also have a table named MY_TABLE in your schema.You execute the following statement:
FLASHBACK TABLE my_table TO BEFORE DROP RENAME TO my_table2;
What will be the result of executing this statement?（）

A. One of the tables is recovered from the Recycle Bin using a First In First Out (FIFO) approach.
B.One of the tables is recovered from the Recycle Bin using a Last In First Out (LIFO) approach.
C. Both the tables are recovered from the Recycle Bin with one table renamed to MY_TABLE2 and the other to a system-generated name.
D. None of the tables are recovered from the Recycle Bin, and the statement returns an error.

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4.单项选择题 Following is the list of locations in random order where oranfstab can be placed.
1./etc/mtab
2.$ORACLE_HOME/dbs/oranfstab
3./etc/oranfstab
What is the sequence in which Direct NFS will search the locations?（）

A. 1, 2, 3
B. 3, 2, 1
C. 2, 3, 1
D. 1, 3, 2

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5.单项选择题 Evaluate the following function code:

Which statement is true regarding the above function? （）

A. The cached result becomes invalid when any structural change is done to the EMPLOYEES table.
B. If the function execution results in an unhandled exception, the exception result is also stored in the cache.
C. Each time the function is invoked in a different session, the current result in the result cache gets overwritten.
D. If the function is invoked with a different parameter value, the existing result in the result cache gets overwritten by the latest value.

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6.单项选择题You want to use RMAN to create compressed backups.Which statement is true about the compression algorithms that RMAN can use?（）

A. The BZIP2 compression algorithm consumes more CPU resources than the ZLIB compression algorithm.
B. The ZLIB compression algorithm consumes more CPU resources than the BZIP2 compression algorithm.
C. The ZLIB compression algorithm provides maximum compression and produces smaller backups than the BZIP2 compression algorithm.
D. Only the BZIP2 compression algorithm can be used to make compressed backups to disk.

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7.单项选择题 You have the following requirements in relation to the detection of block corruption for your database instance:
1. Check for logical self-consistency of data blocks when modified in memory.
2. Checksums are calculated before and after the block change.
3. Checks are performed for the lost writes to the physical standby database.
Which method would help you perform the above checks automatically? （）

A. Set the DB_SECUREFILE parameter to PERMITTED
B. Set the DB_ULTRA_SAFE parameter to DATA_ONLY
C. Set the DB_LOCK_CHECKSUM parameter to TYPICAL
D. Set the DB_LOST_WRITE_PROTECT parameter to TYPICAL

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8.单项选择题 To control the execution of a server process when it is receiving bad packets from a potentially malicious client, you set the SEC_PROTOCOL_ERROR_FURTHER_ACTION initialization parameter as follows:
SQL> ALTER SYSTEM SET SEC_PROTOCOL_ERROR_FURTHER_ACTION = Drop,10;
What is the significance of this setting?（）

A. It terminates the client connection after 10 bad packets and the client cannot reconnect to the same instance.
B. It terminates the client connection after 10 bad packets but the client can still reconnect, and attempt the same operation again.
C. It terminates the client connection 10 seconds after receiving a bad packet and the client cannot reconnect to the same instance.
D. It terminates the client connection after receiving a bad packet and the client can reconnect to the same instance after 10 minutes.

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9.单项选择题 Examine the following command:
ALTER DISKGROUP data MOUNT FORCE;
In which scenario can you use the above command to mount the disk group? （）

A. when ASM disk goes offline
B. when one or more ASM files are dropped
C. when some disks in a disk group are offline
D. when some disks in a failure group for a disk group are rebalancing

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10.单项选择题Which statement about recovering from the loss of a redo log group is true?（）

A. If the lost redo log group is ACTIVE, you should first attempt to clear the log file.
B. If the lost redo log group is CURRENT, you must clear the log file.
C. If the lost redo log group is ACTIVE, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.
D. If the lost redo log group is CURRENT, you must restore, perform cancel-based incomplete recovery, and open the database using the RESETLOGS option.

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