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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. Which background process communicates load information to its listener?

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

2. What is true about Virtual Internet Protocol Configuration Assistant (VIPCA)?

A) Each Virtual IP (VIP) configured requires an unused and resolvable IP address.
B) The ifconfig -a command is used to back out a faulty VIPCA configuration.
C) The VIPCA application must be run manually on all nodes in the cluster.
D) The VIP for each node should be bound to the adapter that is acting as the private interconnect.

3. You are migrating a single-instance Oracle database to RAC. The data files and Flash Recovery Area would be migrated to ASM using the RMAN commands BACKUP AS COPY DATABASE and BACKUP RECOVERY AREA, and stored in an ASM diskgroups called +DB_DG and +FR_DG. The DB_CREATE_FILE_DEST parameter would be set to +DB_DG and the DB_RECOVERY_FILE_DEST parameter would be set to +FR_DG.
What are the three best options for the location of your archivelogs so that they may be used properly for recovery without DBA intervention? (Choose three.)

A) Local File System with each instance writing to a local location provided that the path names are identical on all nodes.
B) ASM diskgroup +FR_DG as specified for the Flash Recovery Area provided that the ASM diskgroup is mounted on all ASM instances.
C) ASM diskgroup +DB_DG as specified for the Database Area provided that the ASM diskgroup is mounted on all ASM instances.
D) Local File System with each instance writing to a local location provided that NFS read mount points are created to all other nodes with instances of the database.
E) Cluster File System with each instance writing to a shared location.
F) Cluster File System with each instance writing to a separate location as long as they are in directories under the same mount point.

4. You are working with Oracle Support to investigate to what extent a disk subsystem corruption has affected your Oracle cluster configuration. The support engineer wants you to run the OCRCHECK command and read out the output. What is the effect of running the OCRCHECK command?

A) t checks whether all your cluster resources, such as databases, instances, listeners, and node applications, are registered within the OCR.
B) t performs an OCR integrity check.
C) t checks whether the OCR daemons are making regular backups of the OCR.
D) t checks whether the Oracle Cluster Registry daemons are running normally.
E) t checks whether there is enough disk space for the OCR.

5. You have attended a user group presentation on RAC and based on what you have learned you feel that your company would benefit from having the RAC option to meet its Oracle database requirements in several ways. Your manager does not know much about RAC and asks you to create a presentation to the team explaining RAC, and whether it should be implemented in your installation. Which three statements explain the benefits and implications of RAC? (Choose three.)

A) RAC would increase scalability for all application workloads in all cases.
B) RAC alone would not help protect from human errors.
C) RAC would increase availability in the event of data failures.
D) RAC used in conjunction with parallel execution may provide speedup of DSS queries.
E) RAC used in conjunction with parallel execution may provide for speedup of OLTP workload processes.
F) RAC alone would increase availability when doing release upgrades.
G) RAC would increase availability in the event of a network failure.
H) RAC would increase availability in the event of node and instance failures.

Solutions: