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Exam Name: Oracle Database 10g R2: Administering RAC
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Last Update: 2014-05-26
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NO.1 You are working as a DBA in a RAC environment that is available for testing. The RAC
environment has all the database files stored in the OCFS file system. You plan to install ASM and
move all the database files to ASM to achieve better performance. During the installation, you
selected redundancy level as normal for the disk group being added. What is the reason for
selecting this redundancy level?
A.You want to use hardware mirroring.
B.You do not want to have any mirroring in the disk group.
C.You have two failure groups defined, so you want to use two-way mirroring.
D.You have three failure groups defined, so you want to use three-way mirroring.
Correct:C
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.2 You decide to implement a Data Guard configuration to support a disaster recovery plan for
your RAC database. Your primary database has all shared files and the flash recovery area is
stored on ASM disk groups. Which three options exist for storing the data guard broker
configuration files at the primary location? (Choose three.)
A.can be in any shared ASM disk group
B.can be stored on shared Raw Devices
C.must be stored on Oracle Cluster File System if a cluster file system is used
D.may be stored on any supported cluster file system if a cluster file system is used
E.must be in the same shared ASM disk group as the database data files if the broker configuration files
are stored in ASM disk groups
F.must be in the same shared ASM disk group as the Flash Recovery Area if the broker configuration files
are stored in ASM disk groups.
Correct:A B D
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.3 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 alone would not help protect from human errors.
B.RAC would increase availability in the event of data failures.
C.RAC would increase availability in the event of a network failure.
D.RAC alone would increase availability when doing release upgrades.
E.RAC would increase scalability for all application workloads in all cases.
F.RAC would increase availability in the event of node and instance failures.
G.RAC used in conjunction with parallel execution may provide speedup of DSS queries.
H.RAC used in conjunction with parallel execution may provide for speedup of OLTP workload processes.
Correct:A F G
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.4 Which optional parameter of the DESCRIPTION clause of a TNS entry can you use to randomize
the access to available listeners?
A.FAILOVER
B.LOAD_BALANCE
C.SOURCE_ROUTE
D.TYPE_OF_SERVICE
Correct:B
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.5 Your company has certain standard practices for technology and you are configuring ASM disk
groups for your four-node RAC cluster. The company guidelines suggest that there is one disk
group for the flash recovery area that is shared by all databases and a separate disk group for the
database area of all databases. Which three exceptions exist that may require you to create
additional disk groups? (Choose three.)
A.The retention policy for backups are different for different databases.
B.There are large nonpartitioned tables accessed frequently using indexes.
C.The disk farm has different disk models with different characteristics and ages.
D.Some databases operate in ARCHIVELOGMODE and others in NOARCHIVELOGMODE.
E.Some database instances are shut down every night while others are always running.
F.Applications using the databases have different Service-Level Agreements for response time and
throughput.
G.There are partitioned tables where the older partitions are in read-only tablespaces and seldom
accessed, but the more recent partitions are frequently accessed.
Correct:C F G
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.6 View the Exhibit, which displays the cluster database performance page after the same
workload has been executed three times on your cluster without varying any non-Oracle
workloads on the cluster. What are the two ways by which you can tell that the corresponding
application was better tuned during the second and third execution? (Choose two.)
A.There is less paging each time.
B.The run queue length is going down each time.
C.It takes less time to execute the workload each time.
D.The number of transactions per second is getting higher each time.
E.The database throughput graphic is below the red dashed line during the last execution.
Correct:C D
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.7 Which three statements regarding backup of the voting disk are true? (Choose three.)
A.On UNIX platforms, the voting disk can be backed up with the dd command.
B.A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
C.A backup of the voting disk should be taken whenever a new node is added to the cluster.
D.A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
E.Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in
the cluster.
Correct:A C D
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
NO.8 You are running a two-instance database with six redo log groups defined and decide to add a
third thread to support a third database instance on the third node of the cluster. Which three
commands would you issue to achieve this using command line administration? (Choose three.)
A.ALTER SYSTEM ENABLE THREAD 3;
B.ALTER DATABASE ENABLE THREAD 3;
C.ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 8;
D.ALTER SYSTEM ADD LOGFILE THREAD 3 GROUP 7;
E.ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 7;
F.ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 8;
Correct:B E F
Oracle 1Z0-048 1Z0-048 PDF VCE 1Z0-048 Actual Test
