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Oracle 1Z0-048 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Monitoring and Performance Tuning | 10% | - Resolving common performance issues - Monitoring RAC environment |
| Automatic Storage Management (ASM) for RAC | 15% | - Managing ASM instances and disk groups - Installing and configuring ASM |
| RAC Database and Instance Administration | 20% | - Using SRVCTL and Enterprise Manager - Starting and stopping RAC components - Managing services and workloads |
| Oracle Clusterware Installation and Configuration | 20% | - Installing and configuring Clusterware - Pre-installation tasks and requirements - Managing Clusterware components |
| Oracle RAC Installation and Database Creation | 20% | - Creating RAC databases with DBCA - Installing Oracle RAC software - Preparing for RAC installation |
| Backup and Recovery in RAC Environment | 15% | - Configuring RMAN for RAC - Performing backup and recovery operations |
Oracle Database 10g R2: Administering RAC Sample Questions:
1. Oracle Cluster Registry (OCR) can be recovered on a UNIX platform using which two commands? (Choose two.)
A) cp /app/oracle/product/10.1.0/crs_1/cdata/dbclust01/day. ocr/ocfs/OCR/crs. dbf where /ocfs/OCR/crs. dbf is the cluster registry file
B) ocrconfig -import /u01/logical_ocr/yesterday.ocr_exp where yesterday. ocr_exp is a logical backup created using the ocrconfig -export command
C) ocrconfig -restore /app/oracle/product/10.1.0/crs_1/cdata/dbclust01/day. ocr where day. ocr is an automatically generated OCR backup
D) ocrconfig -import /u01/logical_ocr/yesterday.ocr where yesterday.ocr is an automatically generated OCR backup
2. View the Exhibit and examine a database software installation step in a RAC environment.
Which statement about the path is true?
A) You must specify the same path where Oracle clusterware is installed.
B) You must specify the location of the OCR file.
C) You should specify the same path that you specified for the ORACLE_BASE environment variable.
D) You should specify a path under ORACLE_BASE where Oracle product is to be installed.
E) You must specify the location of Oracle inventory.
F) You must specify the same path that you specified to install ASM.
3. Which two views can be used to identify SQL statements affected by interconnect latencies in your RAC environment? (Choose two.)
A) the VJSQLAREA view
B) the VJSQL CURSOR view
C) the V$SQL_PLAN view
D) the VJSQL view
E) the VJSQLTEXT view
4. 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.
5. Your company has a combination of high availability and scalability requirements that need to be addressed, and RAC has been discussed as a solution. There are a mix of "off-the-shelf software products and homegrown applications currently in use in your environment that run on single-instance Oracle databases. You have been asked by the IT director to provide an impact analysis report to help assess the impact on applications when migrating to RAC. Which three are among the areas that should be examined for performance impact and application functionality impact or for both? (Choose three.)
A) applications that use large parallel full table scans
B) applications that access small tables using the same index occasionally
C) three-tier applications that use application global context variables
D) applications that truncate tables in a data warehouse process
E) client/server type applications that use application local context variables
F) applications that use SQL profiles created by the ATO optimizer in the SQL Tuning Advisor
Solutions:
| Question # 1 Answer: B,C | Question # 2 Answer: D | Question # 3 Answer: A,D | Question # 4 Answer: B | Question # 5 Answer: A,C,D |





