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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?

A) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation
B) to check whether the dbinst directory is available on all the nodes
C) to check for node connectivity and Clusterware integrity
D) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes

2. Which initialization parameter would you use for each RAC instance to make sure that each listener on each RAC node is aware of the load of all the others?

A) LOCALJJSTENER
B) REMOTEJJSTENER
C) REMOTE_DEPENDENCIES_MODE "
D) PREFER LEAST LOADED NODE <listener-name>

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

4. The following query shows four MEMBER disks and three CANDIDATE disks.
SQL> select name, header_status, path from v$asm_disk;
NAME HEADER STATUS PATH
CANDIDATE /dev/rdsk/diska5
CANDIDATE /dev/rdsk/diska6
CANDIDATE /dev/rdsk/diska7
DISK01 MEMBER /dev/rdsk/diska1
DISK02 MEMBER /dev/rdsk/diska2
DISK03 MEMBER /dev/rdsk/diska3
DISK04 MEMBER /dev/rdsk/diska4
7 rows selected.
Using SQLPIus you want to add /dev/rdsk/diska5 and /dev/rdsk/diska6 to diskgroup DGROUP1
DGROUP1 is currently mounted.
Pick the statement that would fail to add diska5 and diska6.

A) ALTER DISKGROUP dgroupl ADD DISK
'/dev/rdsk/diska5' name disk05,
'/dev/rdsk/diska6' name disk06;
B) ALTER DISKGROUP dgroupl ADD DISK
'/dev/rdsk/diska5',
'/dev/rdsk/diska6';
C) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/disk*5', '/dev/rdsk/disk*6';
D) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/diska[56]';
E) ALTER DISKGROUP dgroupl ADD DISK '/dev/rdsk/diska*';

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

Solutions: