Oracle Database 10g R2: Administering RAC 認定 1Z0-048 試験問題:

1. You and your colleague are working with Oracle Support on a database instance stability issue. The Oracle Support engineer wants you to issue a crsctl debug log crs ?crsctl debug log crs command to assist you in your troubleshooting assignment. Why does the Oracle Support engineer want you to do this?

A) to list what debugging options are available on the CRS daemon
B) to enable extra debugging on the currently running CRS daemon
C) to list which debugging options are enabled on the CRS daemon
D) to enable extra debugging on the CRS daemon the next time the CRS daemon is started
E) to enable extra debugging on the currently running and CRS daemons as well as those that will run in the future

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

3. You are running a two-instance database with six redo log groups defined and decide to add a third thread to support a third database instance on the third node of the cluster. Which three commands would you issue to achieve this using command line administration? (Choose three.)

A) ALTER DATABASE ENABLE THREAD 3;
B) ALTER SYSTEM ENABLE THREAD 3;
C) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;
D) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;
E) ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;
F) ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;

4. Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)

A) ASM instances must all have the same value for ASM DISKGROUPS.
B) ASM instances can use different values for ASM_POWER_LIMIT.
C) ASM instances recognize their disks by looking at their headers.
D) ASM instances can mount different sets of disk groups.
E) ASM instances must all have the same value for ASM_DISKSTRING.

5. Richard is a senior DBA and has prepared a plan for RAC implementation in his company. Given below are some of the tasks that he would perform as part of the plan: 1) Creating the Raw Devices Mapping file 2) Creating database services 3) Binding the partitions to raw devices 4) Creating the Voting Disk file 5) Creating an initialization parameter file 6) Creating the Oracle Cluster Registry (OCR) file 7) Creating the tnsnames.ora file 8) Creating the database control file
During the creation of the RAC database, Richard can use the Database Configuration Assistant (DBCA) to perform some of these steps but not all of them. Which steps should be completed before Richard starts creating the database by using DBCA?

A) 2, 5,6,7,8
B) 2, 5,7,8
C) 3, 4,6,7,8
D) 1, 2,4,5,6,7
E) 1, 3,4,6

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