databases Online Quiz - 169

Description: databases Online Quiz - 169
Number of Questions: 20
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Tags: databases
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Examine the statement : DROP TABLESPACE IND2 INCLUDING CONTENTS AND DATAFILES; What is the result of the statement?

  1. The contents and data files belonging to the IND2 tablespace are dropped.

  2. The statement will only succeed if the IND2 tablespace was built using Oracle-Managed Files (OMF) data files.

  3. The statement will only succeed if the data files belonging to the IND2 tablespace are Oracle Managed Files (OMF) or of the database was created using OMF.

  4. The contents of the tablespace are dropped along with all its data files except those identical with Oracle-Managed Files (OMF) naming convention.

Correct Option: A

A user is running a long update batch file. Many tables are updated and all the statements are in one transaction. Before the process is finished, the user machine lost power. When the user calls you, what should you do as DBA?

  1. Do nothing, the PMON process handles everything.

  2. Shut down the database and restore all the tables the user was updating.

  3. Log in as DBA, clean up the partial updates in those tables, and do another manual backup.

  4. Use LogMiner to find out which records are changed based on the user’s ID, then roll back all those changes.

Correct Option: A

Your database is running in NOARCHIVELOG mode. Every night there is a backup taken using RMAN. During your startup this morning you received an error regarding DISK 3 on your server.This is the location of your data file for the SYSTEM tablespace. Which option is open to you?

  1. The data file needs to be restored by using operating system commands, because a data file movement must take place, and then the database can be recovered from RMAN.

  2. The data file needs to be restored by using operating system commands, since a data file movement must take place, and then the database must be recovered manually.

  3. From RMAN you can issue the commands RESTORE and RECOVER. RMAN automatically restores the data file on DISK 3 to another disk, based upon utilization statistics.

  4. From RMAN you can issue a SET NEWNAME command to update the data file location information in the control file, and then issue the RESTORE and RECOVER commands to recover the database.

Correct Option: D

Consider this RMAN command: RMAN> CONFIGURE RETENTION POLICY CLEAR; What is the effect of this command?

  1. Backups will never expire.

  2. It removes any retention policy.

  3. The DELETE OBSOLETE command will fail with an error.

  4. It sets the retention policy to the default of REDUNDANCY 1.

Correct Option: D

When performing recovery of a database in NOARCHIVELOG mode with RMAN, the target database must be in the ______ state to restore the control file.

  1. OPEN

  2. IDLE

  3. MOUNT


Correct Option: D

Which modifier is used to change listener parameters in the Listener Control utility environment?

  1. SET

  2. ALTER



Correct Option: A

You have just run this syntax to start the listener from the Listener Control utility: LSNRCTL>START Starting /mstgelai/oracle/bin/tnslsnr: please wait... System parameter file is /u01/oracle/network/admin/listener.ora Log messages written to /u01/oracle/network/log/listener.log Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=stc-sun01-server)(PORT=1521))) Connecting to... The command completed successfully What is the name of the Listener you started?





Correct Option: B

An Oracle instance is executing in a nondistributed configuration. The instance fails because of an operating system failure. Which background process would perform the instance recovery when the atabase is reopened ?

  1. PMON

  2. SMON

  3. RECO

  4. ARCn

  5. CKPT

Correct Option: B

The ORDERS table has a constant transaction load 24 hours a day, so down time is not allowed. The index become fragmented. Whic statment is true ?

  1. The index need to be dropped, and then re-created.

  2. The resolution of index fragmentation depends on the type of index.

  3. The index can be rebuilt while users continue working on the table.

  4. The fragmented can be ignored because Oracle resolve index fragmentation by means of a freelist.

  5. The index can be rebuilt, but users will not have access to the index during this time.

Correct Option: C

Which three are the physical structures that constiture the Oracle database ? (Choose Three)

  1. Control file

  2. Extent

  3. Segment

  4. Data file

  5. Log file

  6. Tablespace

Correct Option: D

You plan to take a closed database backup using operating system commands. Which three SHUTDOWN options are appropriate for this type of backup? (Choose three)

  1. ABORT




Correct Option: B

Which three initialization parameters are no longer needed when FAST_START_MTTR_TARGET is defined? (Choose three)







Correct Option: B

When an oracle Instance is started, background process are started. Background processes perform which two functions ? (Choose two)

  1. Perform I/O

  2. Lock rows that are not data dictionary rows

  3. Monitor other Oracle processes

  4. Connect users to the Oracle instance

  5. Execute SQL statments issued through an application

Correct Option: A

Which two roles or privileges must you have to export tables owned by another user? (Choose two)






Correct Option: B

SQL> CREATE TABLESPACE user_data EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO; Which twp assumptions must be true for this statement to execute successfully ? (Choose two)

  1. Oracle Managed Files used for this instance.

  2. The USER_DATA tablespace in managed using FET$/UET$ tables.

  3. The COMPATIBLE intialization paramter must be 9.0.0 or higer.

  4. Space within segments is the USER_DATA tablespace is managed with freelists.

Correct Option: A

The database is running in NOARCHIVELOG mode. A data file is lost. Which two are valid options for recover ? (Choose two)

  1. Restore the data file and perform incomplete recovery.

  2. Restore the data file and perform point-in-time recover.

  3. Drop the tablespace and lose all data in the tablespace.

  4. Restore the database and lose all data since the last backup.

Correct Option: C

Which two statments regarding the control file and Recover Manager are true ? (Choose two)

  1. The control file can grow in size.

  2. The control file can store RMAN scripts.

  3. CONTROL_FILE_RECORD_KEEP_TIME determine retention time for RMAN records.

  4. The RMAN catalog can exist solely in the control file of the target database.

Correct Option: C

Which three attributes of the LOG_ARCHIVE_DEST_n initialization parameter control the data availability mode of a Data Guard standby database? (Choose three)

  1. SYNC or ASYNC to identify the network transmission mode.

  2. LGWR or ARCH to identify the primary database process responsible for sending redo information to the standby.

  3. AFFIRM or NOAFFIRM to control whether log archiving disk write operations are to be performed synchronously or asynchronously.

  4. PROTECTED or UNPROTECTED to control the degree of divergence and data loss at the standby database.

Correct Option: A

Which three features are provided by Oracle Net Services? (Choose three)

  1. Data encryption

  2. User authentication

  3. Transparent data conversion

  4. Configuration and administration mechanisms

  5. Support for multiple network transport protocols

Correct Option: A

what is true regarding the role Oracle Net provides in a client server connection with no middle tier? (Choose two)

  1. Oracle Net is layered on top of the network protocol.

  2. Oracle Net must reside on both the client and the server for peer-to-peer communication to occur.

  3. On the client side, Oracle Net is responsible for working with the listener to receive incoming connection requests.

  4. On the server side, Oracle Net is responsible for several connectivity issues such as : the location of the server, whatever one or more protocol is involved in the connection, and how to handle exception and interrupts.

Correct Option: A,B
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