单项选择题

You execute the following command to start an Automatic Storage Management (ASM) instance:   SQL>STARTUP;  
In which of the following modes will the ASM instance start?()

A. OPEN
B. MOUNT
C. NORMAL
D. NOMOUNT


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2.单项选择题

You have configured the ASM instance for the PROD database of iPod Corporation. You have specified the following parameter values in the initialization parameter file:  
DB_CREATE_FILE_DEST=’devices/grp1/P’  
DB_CREATE_ONLINE_LOG_DEST_1=’devices/d_grp2/Q’       
DB_CREATE_ONLINE_LOG_DEST_2=’devices/d_grp3/R’       
BACKGROUND_DUMP_DEST=’devices/d_grp1/S’  
You have added a new redo log group that contains two redo log members. Where are the redo log members stored?()

A. Both the members will be stored in the ’devices/grp1/P’ directory.
B. Both the members will be stored in the ’devices/d_grp2/Q’ directory.
C. Both the members will be stored in the ’devices/d_grp3/R’ directory.
D. One member will be stored in the ’devices/d_grp2/Q’ directory and the other in the ’devices/d_grp3/R’ directory.

3.单项选择题During tablespace creation, which filename format is NOT used for creating datafiles associated with a tablespace?()

A. incomplete names
B. incomplete names with templates
C. alias with template names
D. numeric names

4.单项选择题

You included the following Automatic Storage Management (ASM) initialization parameter settings in the ASM initialization parameter file:  
INSTANCE_TYPE = ASM  ASM_POWER_LIMIT = 11  LARGE_POOL_SIZE = 4M  
ASM_DISKGROUPS = DG1, DG2  DB_UNIQUE_NAME = +ASM  
You are unable to start the ASM instance. Which initialization parameter file setting(s) is not allowing the ASM instance to start?()

A. only the INSTANCE_TYPE initialization parameter is set to an invalid value
B. only the ASM_POWER_LIMIT initialization parameter is set to an invalid value
C. only the LARGE_POOL_SIZE initialization parameter is set to an invalid value
D. both the LARGE_POOL_SIZE and INSTANCE_TYPE initialization parameters are set to invalid values

9.单项选择题Which statement will NOT create a tablespace?()

A. CREATE TABLESPACE DATA1 DATAFILE ’+grp1/abc(datafile)’;
B. CREATE TABLESPACE DATA1 DATAFILE ’+grp1’;
C. CREATE TABLESPACE DATA1 DATAFILE ’+data1(tempfile)’;
D. CREATE TABLESPACE DATA1 DATAFILE ’+grp1.256.34359’;

10.单项选择题You are maintaining your database in Oracle10g. You set the value of the UNDO_RETENTION initialization parameter to zero in the initialization parameter file. What will be the impact of specifying this setting?()  

A. The database will not start.
B. The database will start but will not retain the undo data in the undo segment.
C. The database will start, and the undo segment will contain the undo data for at least one hour.
D. The database will start, and the undo segment will retain the undo data for at least 15 minutes.

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In which case would you use the Flashback Database feature to perform a recovery?()

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For an incomplete recovery, which four backup types can be used by Recovery Manager (RMAN) to restore data files? ()

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On Tuesday, a junior DBA dropped an important application user account, whose schema has important tables. You are asked to recover all the objects in the schema. On investigation, you find that the user account was dropped at 11:00 a.m. and Sunday’s backup is the most recent backup. Which flashback feature would you use?()

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The loss of the control file forced you to re­create the control file. After re­creating it and opening the database, you find that some of the data files are named as MISSINGnnnnn, where nnnnn is a five­digit number starting with 0. What could be the possible reason?()

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Consider the recovery steps in each of the cases given below: Case 1: Shut down the database and perform a backup. Restore all the data files. Mount the database. Recover the database. Without applying all the redo log files, open the database using the RESETLOGS option. Back up the database. Case 2: Shut down the database and perform a backup. Restore only the data files of the tablespace where user error damaged the data. Mount the database. Recover the database. Open the database with the RESETLOGS option. Back up the database. Case 3:Shut down the database Restore the data files Open the database Perform recovery to the current point in time. Which case has the correct steps for an incomplete recovery?()

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