在标准差相同的情况下，期望值大的风险程度较低。（)A．正确B．错误

A. It stores only the temporary table but not its indexes.

B. It stores both the temporary table as well as its indexes.

C. It must be a nondefault temporary tablespace for the database.

D. It can be a default or nondefault temporary tablespace for the database.

E. It must be the default temporary tablespace of the user who issues the command.

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. It creates the table and encrypts the data in it.

B. It generates an error because the wallet is closed.

C. It creates the table but does not encrypt the data in it.

D. It generates an error because the NO SALT option cannot be used with the ENCRYPT option.

n. To know the details of the disks in the DATA disk group , you issued the following ASMCMD command:ASMCMD> lsdsk -I -d DATAWhich statement is true regarding the outcome of this command？（）

A. The command succeeds but it retrieves only the disk names.

B. The command produces an error because the ASM instance is down.

C. The command succeeds but it shows only the status of the ASM instance.

D. The command succeeds and retrieves information by scanning the disk headers based on an ASM_DISKSTRING value.

A. The command is used to establish a static route.

B. The default administrative distance is used.

C. The command is used to configure the default route.

D. The subnet mask for the source address is 255.255.255.0

E. The command is used to establish a stub network

EVER option. After some days, you want to change the status of the database backup and you issued the following command:RMAN>CHANGE BACKUPSET 231 NOKEEP;What is the implication of this command？（）

A. The backup is deleted.

B. The backup is marked unavailable.

C. The backup overrides the backup retention policy.

D. the backup becomes eligible for deletion according to the existing retention policy

ng command to take the backup:RMAN> BACKUP DATABASE PLUS ARCHIVELOG;Which statement is true about the execution of the above command？（）

A. The backup will terminate because the FORMAT clause was not configured for the channel

B. It backs up two copies of data files to tape and disk, and two copies of archived log file on tape

C. It backs up the data files and archived log files to disk, making two copies of each data file and archived log file

D. It backs up the data files and archived log files to tape, making two copies of each data file and archived log file

Which of the following sentences is a COMMAND？

A．What noise you are making!

B．Never do that again!

C．Have a good time.

D．Beg your pardon.

er each.One of the redo log groups has become corrupted. You have issued the following command during the recovery of a damaged redo log file:ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 3;Which action should you perform immediately after using this command？（）

A. You should perform a log switch

B. You should make a backup of the database

C. You should switch the database to the NONARCHIVELOG mode

D. You should shut down the database instance and perform a complete database recovery

Temporary Certificates of Inspection are effective until the ______.

A.SOLAS Certificate is issued

B.Loadline Certificate is renewed

C.classification society approval is issued

D.permanent Certificate of Inspection is issued