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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

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

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

2. Your network administrator wants to know why you need extra IP addresses for your Oracle Real Applications Cluster now that you are upgrading from OracleSi to Oracle 10g. Which four statements would you use to explain to your network administrator the reason for requiring extra IP addresses? (Choose four.)

A) The VIPs are used to circumvent network timeouts on the Cluster Interconnect.
B) The VIP addresses must be on the same subnet as the public host network addresses.
C) A VIP would always accept a connection from a client.
D) The VIPs are used to prevent connection request timeouts during client connection attempts.
E) Database clients should connect to a RAC database using VIPs for the best High Availability solution.
F) The VIPs should not be registered in the DNS.
G) A VIP would notify its client when a failure occurs.
H) The VIPs should be registered in the DNS.

3. Which three statements regarding the management of Oracle Cluster Registry (OCR) on a UNIX platform are true? (Choose three.)

A) The default target location of each automatically generated OCR backup file is the <CRS Home>/cdata/<cluster name> directory.
B) The location of the OCR autobackup can be changed to a shared file system with the ocrconfig -backuploc command.
C) One CRS instance in the cluster automatically creates OCR backups every four hours, at the beginning of each day and of each week.
D) The OCR autobackups are automatically copied to every ORA_CRS_HOME on each node in the cluster.
E) You can customize the OCR backup frequencies and the number of retained copies.

4. You want check whether the group services node application is running on all the nodes in your cluster before you create a cluster database. Which utility can you use to make sure the node application is running on all nodes in the cluster?

A) addnode.sh
B) Isnrctl
C) crsctl
D) crs_stat
E) onsctl

5. View the Exhibit, which displays the cluster database performance page after the same workload has been executed three times on your cluster without varying any non-Oracle workloads on the cluster. What are the two ways by which you can tell that the corresponding application was better tuned during the second and third execution? (Choose two.)

A) The database throughout graphic is below the red dashed line during the last execution.
B) The run queue length is going down each time.
C) It takes less time to execute the workload each time.
D) There is less paging each time
E) The number of transactions per second is getting higher each time.

Solutions: