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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

Question 1

After applying a patch to the network device drivers in your operating system, you verify using CRS_STAT-T that everything runs normally. View Exhibitl for the CRS_STAT-T output.
After your coffee break, customers begin complaining about the performance of your Oracle Real Application Clusters database. Suddenly, the response time has increased and establishing new connections is slower than it used to be. You run CRS_STAT-T again to check if there is a problem.
Based on Exhibit2, what is your conclusion, and what would you do to correct this?

A. Somebody relocated the VIP from the second node to the first node for an unknown reason. You just have to relocate it back.
B. There is no problem, so nothing needs to be corrected.
C. The second node in your cluster is down and, therefore, CRS has relocated the VIP from the second node to the first node. After you fix the second node, CRS would relocate the relocated VIP back to its original node.
D. You cannot tell what the problem is based on Exhibit2, so you cannot fix this.
E. The second node in your cluster is down and, therefore, CRS has relocated the VIP from the second node to the first node. After you fix the problem on the second node, you have to relocate the relocated VIP back to its original node using the SRVCTL command.

Question 2

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

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

Question 3

Which background process communicates load information to its listener?

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

Question 4

What is the action of your client connection when it is using the following connect string? net_service_name= (DESCRIPTION (ADDRESS=(PROTOCOL=tcp)(HOST=sales1 -svr-vip)(PORT=1521)) (ADDRESS=(PROTOCOL=tcp)(HOST=sales2-svr-vip)(PORT=1521))) (CONNECT_DATA=(SERVICE_NAME=sales. us. acme, com)))

A. It always connects you to the least loaded node.
B. It always connects you to the first protocol address.
C. It randomizes its connection on the available listeners.
D. It tries to connect you to the listener on SALES2-SRV-VIP if the listener on SALES1-SRV-VIP is down.

Question 5

View the Exhibit and examine the diagram of the RAC environment implemented on a Linux platform in your company.
As a senior DBA, you have been assigned the task to implement ASM in this environment. You configured the raw devices that you plan to add to the ASM disk group.
How would you create an ASM instance on each node? (Choose all that apply.)

A. by using DBCA on all nodes
B. by using the ASMCMD command-line utility on both the nodes
C. by using the oracleasm configure command on both the nodes
D. by using Database Configuration Assistant (DBCA) on any one of the nodes
E. by using the oracleasm configure command on any of the nodes
F. by using Oracle Universal Installer (OUI) on any one of the nodes

Solutions: