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Oracle Database 10g R2: Administering RAC Sample Questions:

1. What is true about Virtual Internet Protocol Configuration Assistant (VIPCA)?

A) The ifconfig -a command is used to back out a faulty VIPCA configuration.
B) The VIPCA application must be run manually on all nodes in the cluster.
C) Each Virtual IP (VIP) configured requires an unused and resolvable IP address.
D) The VIP for each node should be bound to the adapter that is acting as the private interconnect.

2. You are creating a database in your RAC implementation. You are using the DBCA to create the database, and you selected the Raw Devices Mapping file on one of the screens of the DBCA. What is the reason for selecting this file?

A) You want to provide the DBCA with a list of all the storage devices that are currently bound to a raw interface.
B) You want the DBCA to bind the partitions to raw devices.
C) You want to set the appropriate raw partition for each database file.
D) You want to configure an ASM diskgroup containing raw devices.

3. You decide to change the redo thread of one of your database instances.
Now you have only two threads: thread 1 is currently being used by instance RAC01, and thread 2 is currently being used by instance RAC02.
In which three orders could you perform the following commands to add thread 3 to your
database, and ensure that instance RAC01 is using thread 3? (Choose three acceptable orders.
1 srvctl stop instance -d RACDB -i RAC01
2 ALTER DATABASE ENABLE THREAD 3;
3 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 6;
4 srvctl start instance -d RACDB -i RAC01
5 ALTER SYSTEM SETthread=3 SCOPE=SPFILE SID='RAC01';
6 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 5;

A) 6,3,5, 2,1
B) 6,3,2, 5,1
C) 2,5,1, 4,6
D) 3,6,5, 2,1
E) 2,5,1, 4,3
F) 2,6,3, 5,1

4. While creating a new service inside your ORCL database, you encounter a problem during the execution of the srvctl add service command. Because you are unable to explain the reason for this failure, you decide to log a service request in Oracle Metalink. You want to make this service request as complete as possible. You want to create a trace file from your problematic srvctl command execution so that Oracle Support has all possible information to quickly identify and resolve your problem. How do you create a Java-based tool trace file?

A) Set the SRVM_DEBUG environment variable to TRUE before you execute the srvctl command.
B) Request extra information by adding the -d (debug) command-line flag at the srvctl command line.
C) Request extra information by adding the -v (verbose) command-line flag at the srvctl command line.
D) Set the SRVM_TRACE environment variable to TRUE before you execute the srvctl command.
E) Set the DEBUG environment variable to TRUE before you execute the srvctl command.

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

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

Solutions: