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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are about to bring your Web server under control of the Oracle Clusterware to make it highly available. Which actions do you need to perform to accomplish this task? (Choose all that apply.

A) Write an action script that Oracle Clusterware would use to start, stop, and check the status of an application.
B) Create an application VIP profile using crs_profile, register it with crs_register, set its permission with crs_setperm, and then start it using crs_start.
C) Once done, manage the Web server with SRVCTL
D) Have the system administrator create an application VIP at the operating system level for you to use with the application.
E) Create an application profile using crs_profile, register it with crs_register, set its permission with crs_setperm, and then start it with crs_start.

2. To complete a cluster database creation, the DBA must choose the cluster database storage method. Which storage choice is not correct? (Choose the incorrect one.)

A) Cluster File System
B) Supported SAN/NAS storage
C) Raw Devices
D) Automatic Storage Management (ASM)
E) Standard UNIX file system

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

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

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

5. Which three statements are true regarding RAC instance startup and shutdown using SQL'Plus? (Choose three.)

A) You can start multiple instances from a single SQL*Plus session on one node using Oracle Net Services connection strings.
B) To start or shut down your local instance, initiate a SQL*Plus session connected as SYSDBA or SYSOPER, and then issue the required command.
C) It is not possible to start up or shut down more than one instance at a time in SOL*Plus. so you cannot start or stop all the instances for a cluster database with a single SQL*Plus command.
D) Using SQL*Plus to start and stop the RAC database instances is the preferred method because SQL*Plus is a Clusterware client.

Solutions: