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Oracle Database 12c: RAC and Grid Infrastructure Administration

Question No: 41

Which two statements are true about Quality of Service Management?

  1. It can enable a more efficient sharing of hardware resources.

  2. It can improve the performance of SQL statements.

  3. It can improve system stability as the workload changes.

  4. It can improve the performance of PL/SQL.

  5. It can reduce the load on the system caused by Oracle background processes.

Answer: A,D

Question No: 42

Which statement is true concerning the installation of an Oracle Grid Infrastructure 12c patchset and its status during the installation?

  1. Some grid infrastructure patchsets may not be installed in a rolling fashion.

  2. They can be applied in-place.

  3. When performing rolling patches, crsctl query crs softwareversion always displays the lowest version of thesoftware running anywhere in the cluster

  4. When performing rolling patches, the VIPs for the node being patched are relocated to another node.

Answer: C

Question No: 43

Which two statements are true about resources defined by an administrator and registered with Oracle 12c Clusterware for high availability?

  1. A policy-managed resource can be started manually using crsctl.

  2. A policy-managed resource can be started manually using srvctl.

  3. Resource dependencies are automatically set when using a policy-managed resource.

  4. An administrator-managed resource can be started manually using crsctl.E. An administrator-managed resource can be started manually using srvctl.

  5. The action script is automatically set when using a policy-managed resource.

Answer: A,E

Question No: 44

PROD1, PROD2 and PROD3 are three instances that have multitenant container database PROD open. PROD contains multiple PDBs.

Examine these successful commands:

$ srvctl add service -db PROD -pdb PRDPDB1 -service SRVPDB1 $ srvctl start service

-db PROD -service SRVPDB1

Which statement is true about the srvctl start service command?

  1. It opens the PRDPDB1 PDB if not already opened.

  2. It can open the PRDPDB1 PDB only if it is policy managed.

  3. It can open the PRDPDB1 PDB automatically.

  4. It can open the PRDPDB1 PDB only if it is manually managed.

Answer: B

Question No: 45

Which three statements are true about Server Categorization in Oracle 12c Clusterware?

  1. All server attributes that may be used to determine the server category are discovered automatically byOracle Clusterware.

  2. Different Hub nodes in a flex cluster may belong to separate administrator-defined categories.

  3. All hub nodes in a flex cluster belong to the same Oracle-supplied category.

  4. A server may be added to only one category using the crsctl utility.

  5. All leaf nodes in a flex cluster belong to the same Oracle-supplied category.

  6. All server attributes used for categorization are administrator modifiable.

Answer: C,E,F

Question No: 46

Which two utilities support the “what-if” command evaluation?

  1. asmcmd

  2. ocrconfig

  3. oifcfg

  4. crsctl

  5. srvctl

Answer: D,E

Question No: 47

Which three statements are true about ASM Cloud File System (ACFS) auditing?

  1. Audit information gathered by each cluster node can be consolidated into the unified ACFS audit trail.

  2. acfsutil audit archive must be used to archive audit files that are larger than 10MB.

  3. acfsutil audit init must be run by a system administrator.

  4. acfsutil audit purge can be run by an audit manager.

  5. acfsutil audit read marks audit files to indicate that it is safe to purge them.

Answer: B,C,D

Question No: 48

Which two statements are true about ASM alias names?

  1. ASM files created using an alias name are not OMF files even if OMF is enabled.

  2. Alias file names cannot be used together with templates when creating tablespaces.

  3. ASM files created using an alias name are OMF files even if OMF is not enabled.

  4. Alias names can be stored only in user-defined directories.

  5. ASM files created using an alias name also have a fully qualified name and can be accessed by eithername.

Answer: A,D

Question No: 49

PROD1, PROD2 and PROD3 are three active instances of the PROD database. Examine these commands executed on PROD1:

SQL gt; ALTER SYSTEM SET PARALLEL_MIN_SERVERS=200 SCOPE=MEMORY sid=’*’; SQL gt; ALTER SYSTEM SET PARALLEL_MIN_SERVERS=100 SCOPE=MEMORY sid=’PROD1′;

Which statement is true?

  1. PARALLEL_MIN_SERVERS will be 200 for all instances of PROD.

  2. PARALLEL_MIN_SERVERS will be 100 for all instances of PROD.

  3. The second statement returns an error because this parameter must be identical for all

    isntances.

  4. PARALLEL_MIN_SERVERS will be 200 for PROD2 and PROD3 and 100 for PROD1.

Answer: B

Question No: 50

Which three events occur when a hub node fails in an Oracle Clusterware 12c Flex Cluster?

  1. The hub node is evicted from the cluster

  2. Leaf nodes connected to the failing hub node are reconnected to a surviving hub node without servicedisruption.

  3. Cluster resources running on leaf nodes connected to the failed hub node are relocated to one or moresurviving hub nodes.

  4. Cluster resources running on leaf nodes connected to the failed hub node are relocated to one or moresurviving leaf nodes.

  5. Cluster resources running on the failed hub node are relocated to one or more surviving hub nodes.

  6. Cluster resources running on the failed hub node are relocated to one or more surviving leaf nodes.

  7. Cluster resources running on the failed hub node are relocated to one or more surviving hub nodes or leafnodes, or both.

Answer: D,F,G

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