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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. In which two orders could you run the following commands to migrate your database to ASM?
(Choose two.)
1 SHUTDOWN IMMEDIATE;
2 SWITCH DATABASE TO COPY;
3 STARTUP NOMOUNT;
4 ALTER DATABASE OPEN;
5 ALTER DATABASE TEMPFILE '/u01/ORCL/temp1.dbf DROP;
6 ALTER SYSTEM SET db_create_file_dest='+DATA' SCOPE=SPFILE;
7 BACKUP AS COPY DATABASE FORMAT '+DATA';
8 ALTER TABLESPACE temp ADD TEMPFILE;
9 RESTORE CONTROLFILE FROM '/u01/ORCL7control1.ctl';
10 ALTER SYSTEM SET control_files=" SCOPE=SPFILE;
11 RECOVER DATABASE;
12 ALTER DATABASE MOUNT;

A) 6,10,1, 3,9,12,7,2,11,8,4,5
B) 6,10,1, 9,3,12,7,2,11,4,5,8
C) 10,6,1, 3,9,12,7,2,11,4,8,5
D) 1,2,10,3,5,4,11,6,7,8,9,12
E) 6,10,1, 3,9,12,7,2,11,4,8,5

2. Which two statements are true in a RAC environment? (Choose two.)

A) When using DBCA to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora on the cluster nodes.
B) After you create a service using SRVCTL, you need to start it with a separate command.
C) When using SRVCTL to create a service, you do not need to add the corresponding TNS entry in your tnsnames.ora.
D) After you create a service, you need to enable it for CRS to manage it.
E) After you create a service using Database Configuration Assistant (DBCA), you need to start it with a separate command.

3. Which statement is true regarding undo management in a RAC environment?

A) You cannot mix automatic undo management and manual undo management.
B) It is possible to store undo tablespaces on nonshared disks.
C) A RAC database contains one undo tablespace shared by all instances.
D) A RAC database must have defined only one undo tablespace for each instance.

4. Which background process communicates load information to its listener?

A) LMON
B) PMON
C) SMON
D) MMON

5. View the Exhibit.
Users complain about the performance of an Oracle database-based application. You are requested to investigate. From Grid Control, you immediately infer that one of the cluster database instances is currently unavailable. You also notice that the host where the instance belongs was recently rebooted due to an unknown reason.
Using Grid Control, you restart the instance and performance rapidly improves. You want to determine the cause of the instance startup failure after the system reboot, and you check the resource profiles on both the database and ASM instances involved.
Why was the instance not started by CRS?

A) The instance could not be started by CRS because this instance depends on an ASM instance, which has its autostart attribute set to a value, thereby preventing CRS from starting this ASM instance after a system reboot.
B) The instance was not started by CRS because its target state was set to "offline" before the system was rebooted.
C) The instance was started by CRS but due to multiple instance failures CRS disabled the database instance, thereby preventing further restarts.
D) The instance was started by CRS after the system was rebooted, but someone stopped it from within SQL*Plus.
E) The database instance's autostart attribute indicates that CRS should not restart it after system boot.

Solutions: