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Oracle Database 10g R2: Administering RAC Sample Questions:

1. To install Oracle Database 10g RAC on a UNIX platform, which four directories will you identify for use? (Choose four.)

A) Oracle base directory (ORACLE_BASE)
B) Oracle home directory (ORACLE_HOME)
C) NET_ADMIN directory
D) CRS home directory (ORA_CRS_HOME)
E) group services directory (GSDJHOME)
F) Oracle inventory directory

2. Which three statements about deleting instances from a RAC database on a UNIX platform are true? (Choose three.)

A) To delete an instance, start the DBCA on a node other than the node that hosts the instance that you want to delete.
B) The DBCA can be used to delete an instance from a RAC database.
C) To delete an instance, start the DBCA on the node that hosts the instance that you want to delete.
D) During a delete operation, the DBCA removes the instance and the instance Oracle Net configurationDuring a delete operation, the DBCA removes the instance and the instance? Oracle Net configuration.

3. The maximum number of redo threads for a database from 10g R2 is

A) determined by the number of nodes in the cluster
B) determined by the maxinstances setting
C) determined by the maxlogfiles setting
D) determined by the maxthreads setting
E) not limited because the control file can extend for more thread records if required to

4. In a RAC environment, you see a steep increase for enq:HW- contention and gc current grant wait events. What would you do to fix this issue?

A) Reduce the number of updates causing locks on tables accessed by multiple instances.
B) Reduce the time of transactions by committing more often.
C) Use larger uniform extent sizes for objects.
D) Increase the cache size of sequences.

5. After migrating from a 10g R1 cluster to 10g R2, you decide to multiplex your voting disk. Which are the two ways in which you can accomplish this task? (Choose two.)

A) You can add additional voting disks online.
B) You may use the VIPCA utility to add new voting disks.
C) You must add additional voting disks offline.
D) You may use the command:
crsctl add ess votedisk <new voting disk path>
E) You should not use symbolic links.

Solutions: