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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Your company asked you to implement RAC to enhance the scalability and availability of the database that you manage. Your coworker suggested that you use ASM as the only storage option. However, you implemented RAC with Automatic Storage Management (ASM) as well as OCFS as storage options. What are the reasons for implementing both OCFS and ASM as storage options? (Choose all that apply.)

A) You want to avoid keeping Oracle binaries on local storage.
B) You do not want to store any file other than voting and OCR files in ASM.
C) You require OCFS to store archive log files because ASM does not support these files.
D) You want to use the Oracle Managed Files (OMF) feature but that is not supported by ASM.
E) You do not want to use raw devices to store voting and OCR files.

2. When an ASM instance initializes, ASM discovers and examines the contents of all the disks that are in the paths designated in the ASM_DISKSTRING initialization parameter. Under which four other circumstances does disk discovery take place? (Choose four.)

A) when you query V$ASM_DISKGROUP
B) when you run ALTER DISKGROUP...RESIZE DISK
C) when you query V$ASM_DISK
D) when you run ALTER DISKGROUP...ADD DISK
E) when you query VJASMjDPERATION

3. Which statement regarding Clusterware is false? (Choose the false statement.)

A) The ORA_CRS_HOME directory must not be the same as the ORACLEJHOME directory.
B) Oracle Clusterware is installed using the Oracle Universal Installer (OUI).
C) The installation of Oracle Clusterware is mandatory even if you have installed vendor-specific clusterware.
D) The Oracle Database 10g Clusterware stack is compatible with Oracle 9i Group Services (GSD) processes.

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

5. What should you do when creating a disk group that would store your RAC database?

A) Make sure that the disk group is mounted by all ASM instances.
B) Make sure that ASM targets are accessible from Database Control.
C) Make sure that all database instances are running in restricted mode.
D) Make sure that all database instances are functional.

Solutions: