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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which parameter file should you use to configure the Oracle notification server on your RAC nodes?

A) $ORACLE_HOME/opmn/conf/ons. config
B) $ORA_CRS_HOME/opmn/conf/ons. config
C) $ORACLE_HOME/racg/usrco/ons.config
D) $ORA_CRS_HOME/racg/usrco/ons. config

2. 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) You cannot tell what the problem is based on Exhibit2, so you cannot fix this.
B) There is no problem, so nothing needs to be corrected.
C) Somebody relocated the VIP from the second node to the first node for an unknown reason. You just have to relocate it back.
D) 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.
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 second node, CRS would relocate the relocated VIP back to its original node.

3. You observe a high number of gc current failure on your RAC system. What could be causing this issue?

A) You are not using the correct private interconnect.
B) There is too much contention on the High Water Mark enqueue of your tables.
C) Too much parsing is occurring on your system.
D) Too much manual locking is occurring.

4. After a power failure, you noticed that one of your cluster database instances did not start automatically, whereas all other instances came up successfully. What would you do to determine the precise cause for the instance startup failure? (Choose three.)

A) Reboot the node where the failing instance resides to check if the problem is persistent.
B) Check the resource state by using the CRS_STAT command.
C) Check the alert.log file that belongs to the Oracle Clusterware software.
D) Check the alert.log file that belongs to the instance that did not start.
E) Check for OCR corruptions by using the OCRCHECK command.
F) Check if the Oracle Clusterware is functional by using the CRSCTL command.
G) Enable extra debugging in the Oracle Clusterware software by using the CRSCTL command.

5. While creating a new service inside your ORCL database, you encounter a problem during the execution of the srvctl add service command. Because you are unable to explain the reason for this failure, you decide to log a service request in Oracle Metalink. You want to make this service request as complete as possible. You want to create a trace file from your problematic srvctl command execution so that Oracle Support has all possible information to quickly identify and resolve your problem. How do you create a Java-based tool trace file?

A) Request extra information by adding the -d (debug) command-line flag at the srvctl command line.
B) Set the SRVM_TRACE environment variable to TRUE before you execute the srvctl command.
C) Set the SRVM_DEBUG environment variable to TRUE before you execute the srvctl command.
D) Set the DEBUG environment variable to TRUE before you execute the srvctl command.
E) Request extra information by adding the -v (verbose) command-line flag at the srvctl command line.

Solutions: