多项选择题In which three cases does a checkpoint occur? ()

A.Every three minutes.
B.When a log switch occurs.
C.When forces by an administrator.
D.When a tablespace is taken offline normal.
E.When the redo buffer is one-third full.


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1.单项选择题What is true regarding direct-load insert?()

A.A direct-load insert can be invoked by suing the APPEND hint.
B.Inserting using the NOLOGGING option is the default for direct-load inserts.
C.All data loaded using direct-load insert is loaded below the high-water mark.
D.An object that is modifies using parallel direct-load can be queried within the same Transaction.

2.多项选择题A web browser can connect directly to an Oracle server using which two?()

A.HTTP
B.IIOP
C.TCP/IP
D.Named Pipes
E.TCP/IP with SSL

4.多项选择题

You issue this RMAN command:  
RMAN> create script Level0Backup {  
backup
  incremental level 0  
format ‘/u01/db01/backup/%d_%_Sp’  
fileperset 5
  (database include current controlfile);
  sql ‘alter database archive log current’;  
} 
Which three statements are true about the Level0Backup script you just created?()

A.The script is stored only in the control file.
B.The script is stored only in the recover catalog.
C.The script can be executed only by using the RMAN RUN command.
D.The commands of the script can be displayed with the LIST command.
E.The commands of the script can be displayed with the PRINT command.
F.The commands of the script can be displayed with the REPORT command.

6.多项选择题Which two statements are true regarding the use of UTF-16 encoding? ()

A.Enables easier loading of multinational data. 
B.Uses a fixed-width Multibyte encoding sequence.
C.Asian characters are represented in three characters. 
D.Used a variable-width Multibyte encoding sequence. 
E.European characters are represented on one or two bytes. 

7.单项选择题What is true regarding a shared, server-side parameter file for a Real Application Cluster database? ()

A.It can contain parameters with distinct values for each distance.
B.It can contain only parameters with identical values for each instance.
C.It must contain an IFILE parameter for each instance’s individual parameter file.
D.It must be located in the default location for the primary instance’s parameter file.

8.单项选择题Why can setting too low a value for the FAST_START_MTTR_TARGET parameter reduce your overall database performance?()

A.Data blocks have to be written more frequently by DBWR. 
B.Redo blocks have to be written more frequently by LGWR. 
C.You need to substantially increase the size of your database buffer cache to hold the additional checkpoint records. 
D.You need to substantially increase the size of your redo buffer cache to hold the additional checkpoint records.

10.单项选择题What type of protection is implemented when the DBA issues the ALTER DATABASE SET STANDBY DATABASE PROTECTED; command?()

A.The standby database is protected against write operations. 
B.The primary database is protected against write operations. 
C.The primary database is protected against data loss and data divergence. 
D.The standby database is protected against data loss and data divergence. 

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