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Oracle Database 10g R2: Administering RAC Sample Questions:

1. You are requested to make your Web server, which accesses a clustered Oracle database, highly available. Which solution would you propose?

A) Bring your Web server under control of the Oracle Clusterware and use the public IP address to reach your Web server from your clients.
B) Bring your Web server under control of the Oracle Clusterware and use the private IP address to reach your Web server from your clients.
C) Because you cannot use Oracle Clusterware to protect your Web server, you come up with an operating system solution.
D) Bring your Web server under control of the Oracle Clusterware and use an application VIP address to reach your Web server from your clients.
E) Bring your Web server under control of the Oracle Clusterware and use the RAC VIP address to reach your Web server from your clients.

2. After migrating from a 10g R1 cluster to 10g R2, you decide to multiplex your voting disk. Which are the two ways in which you can accomplish this task? (Choose two.)

A) You must add additional voting disks offline.
B) You may use the command:
crsctl add ess votedisk <new voting disk path>
C) You can add additional voting disks online.
D) You may use the VIPCA utility to add new voting disks.
E) You should not use symbolic links.

3. Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to make sure that another protocol address is tried if the first one fails?

A) FAILOVER
B) TYPE OF SERVICE
C) LOAD_BALANCE
D) SOURCE_ROUTE

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

5. Which statement regarding Clusterware is false? (Choose the false statement.)

A) Oracle Clusterware is installed using the Oracle Universal Installer (OUI).
B) The installation of Oracle Clusterware is mandatory even if you have installed vendor-specific clusterware.
C) The ORA_CRS_HOME directory must not be the same as the ORACLEJHOME directory.
D) The Oracle Database 10g Clusterware stack is compatible with Oracle 9i Group Services (GSD) processes.

Solutions: