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Oracle Database 10g R2: Administering RAC Sample Questions:

1. After a disk failure caused by a power outage, your CRS is unable to start up completely because all your OCR files are lost. Which commands would you use and in which order to redress this
situation?
1 OCRCONFIG -REPAIR (on the local cluster node only)
2 OCRCONFIG -REPAIR (on all cluster nodes)
3 OCRCONFIG -RESTORE <path name>
4 OCRCONFIG -IMPORT <path name>
5 CRSCTL STOP CRS (on the local cluster node only)
6 CRSCTL STOP CRS (on all cluster nodes)
7 OCRCONFIG -SHOWBACKUP
8 CRSCTL START CRS (on the local cluster node only)
9 CRSCTL START CRS (on all cluster nodes)

A) 7,6,3,9.
B) 7,6,3,2,9.
C) 5,3,8.
D) 5,4,8.
E) 6,3,9.
F) 6,4,9.
G) 7,6,4,9.

2. Which three statements about patching Oracle products in a clustered environment are true? (Choose three.)

A) The OUI automatically manages the patch installation progress, including the copying of files to remote nodes, just as it does with the CRS and database binary installations.
B) OUI manages patches in a clustered environment only if a shared ORACLEJHOME is employed.
C) OUI prevents potentially destructive concurrent patch installations through the use of Inventory List Locks.
D) The Oracle Universal Installer (OUI) is cluster-aware and able to manage patches on all nodes in your cluster.

3. For which two server metrics can you define thresholds for your services? (Choose two.)

A) APPLICATION_WAIT_TIME
B) ELAPSED_TIME_PER_CALL
C) LOGICAL_READ_PER_CALL
D) SQL EXECUTE ELAPSED TIME
E) CPU_TIME_PER_CALL
F) PHYSICAL_READ_PER_CALL

4. Which three statements regarding backup of the voting disk are true? (Choose three.)

A) A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
B) Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
C) A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
D) On UNIX platforms, the voting disk can be backed up with the dd command.
E) A backup of the voting disk should be taken whenever a new node is added to the cluster.

5. You have migrated your 10g R1 cluster to 10g R2. You wish to create multiple copies of the voting disk. What must you consider when doing this?

A) Since ASM is the stated direction of Oracle, ASM is the best storage for voting disks.
B) For the voting disk, it is better to rely on multipathing solutions instead of multiplexing.
C) If multiplexing, three voting disks on independent devices is ideal.
D) If multiplexing, two voting disks on independent devices is ideal.

Solutions: