Oracle 1Z0-048 : Oracle Database 10g R2: Administering RAC

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Oracle Database 10g R2: Administering RAC Sample Questions:

1. Several steps must be followed to successfully add a node to your cluster database. Assuming that a UNIX platform is used, which of the steps listed below is not correct? (Choose the incorrect step.

A) Reconfigure listeners for the new node with netca.
B) Add instances via DBC
C) Add the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
D) Add the RAC software to the new node using orainstRoot.sh from ORACLEJHOM
E) Configure the OS and hardware for the new node.

2. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?

A) to check whether the dbinst directory is available on all the nodes
B) to check for node connectivity and Clusterware integrity
C) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes
D) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation

3. You have a well-tuned, non-RAC single instance Oracle database with several services, all of which perform perfectly. You plan to migrate the database to RAC in the next two weeks and all file systems would be shared using Oracle Cluster File System. After the migration, you want to perform a test to monitor RAC-specific tuning issues that would not have occurred on a non-RAC database. Which six areas would you monitor to determine whether there are RAC-specific performance problems after migration? (Choose six.)

A) Services with applications that use external tables
B) Services with insert-intensive applications that use Oracle sequences for index keys
C) Interconnect latency
D) Instance recovery time
E) Services with applications that have occasional queries, using index access on modestly sized tables
F) Services with insert-intensive applications that generate their own keys without Oracle sequences
G) Services with query-intensive applications relying on full table scans
H) Services with applications that truncate large tables
I) Services with applications using local context variables

4. View the Exhibit and examine a database software installation step in a RAC environment.
Which statement about the path is true?

A) You should specify a path under ORACLE_BASE where Oracle product is to be installed.
B) You must specify the location of Oracle inventory.
C) You must specify the same path that you specified to install ASM.
D) You must specify the same path where Oracle clusterware is installed.
E) You must specify the location of the OCR file.
F) You should specify the same path that you specified for the ORACLE_BASE environment variable.

5. You are implementing a three-node RAC setup in your company. You have already performed these tasks:
1) Hardware and OS configuration 2) Cluster file system installation 3) Clusterware installation You executed the following command in one of the nodes: cluvfy stage -pre dbinst -n all
What is the reason for executing this command?

A) to check whether the dbinst directory is available on all the nodes
B) to check for node connectivity and Clusterware integrity
C) to check for the existence of Oracle database software installation files in the /stage directory on all the nodes
D) to check if the ORACLEJHOME environmental variable is set to a correct value or not before the database installation

Solutions: