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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which two statements are true in a RAC environment? (Choose two.)

A) When using DBCA to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora on the cluster nodes.
B) After you create a service using SRVCTL, you need to start it with a separate command.
C) When using SRVCTL to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora.
D) After you create a service using Database Configuration Assistant (DBCA), you need to start it with a separate command.
E) After you create a service, you need to enable it for CRS to manage it.

2. View the Exhibit and examine an installation step of Oracle Enterprise Manager Grid Control 10gR2 to manage your RAC installation. You entered the host name but you are not sure about the port number. Thefollowing is the list of port numbers from the host ed-otraclin17b.us.oracle.com:

A) 3938
B) 4889
C) 1521
D) 1158
E) 5561

3. You are running a two-instance database with six redo log groups defined and decide to add a third thread to support a third database instance on the third node of the cluster. Which three commands would you issue to achieve this using command line administration? (Choose three.)

A) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;
B) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;
C) ALTER SYSTEM ENABLE THREAD 3;
D) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;
E) ALTER DATABASE ENABLE THREAD 3;
F) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;

4. View the Exhibit.
You are asked to help a colleague to logically remove node NLEDUC2 from a RAC cluster
installation.
On observing the colleague's terminal, you notice the output as seen in the exhibit. Based on this,
which five additional steps would you recommend? Do not be concerned with the correct
sequence for the steps.
(Choose five.)

A) Check that the node has been removed from the database and ASM inventories.
B) Check that the database and ASM instances are all terminated on NLEDUC2.
C) Check that the software has been removed from the database and ASM homes on NLEDUC2.
D) Stop and restart the nodeapps on NLEDUC1.
E) Remove the node from the clusterware.
F) Stop and restart the clusterware on NLEDUC1.
G) Remove the listener from NLEDUC2.
H) Check that the ONS configuration has been updated on the remaining node.

5. You are considering issues involving backup and recovery of the voting disk. Select four correct statements. (Choose four.)

A) Backup can be performed online.
B) To back up the voting disk, use the command ocrconfig -export.
C) If you lose your voting disk and do not have a backup, you must reinstall Oracle Clusterware. ]
D) Use symbolic links to simplify recovery of the voting disk.
E) You can determine the voting disks currently used by CSS with the command crsctl query ess votedisk.

Solutions: