1z0-068無料問題集「Oracle Database 12c: RAC and Grid Infrastructure Administrator」

質問 1

Which two statements are true regarding the configuration of ASM disk groups when installing Oracle Grid Infrastructure 12c?

（A）If ASM disk groups are configured for the Clusterware files, then ASM must be used for all databases on the cluster.

（B）The installer permits the creation of a disk group for use by the voting disks and OCR file.

（C）ASM disk groups used for voting files and OCR files require a quorum failgroup.

（D）The installer permits the creation of a disk group to be used for the Recovery Area for the ASM instance.

（E）If no ASM disk groups are specified during installation, then ASM instances are not started after the installation completes on any cluster node.

正解：B、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 2

Which three commands can be used to verify the integrity of Oracle Clusterware 12c OCR and OLR files?
(Choose three.)

（A）ocrcheck -config -local

（B）ocrcheck -local

（C）cluvfy comp ocr -n all -verbose

（D）ocrcheck -config

（E）ocrcheck

正解：A、C、E 解答を投票する

質問 3

Examine this command:
SQl> CREATE DISKGROUP RECO HIGH REDUNDANCY:
FAILGROUP fgrp1 DISK
'/dev/disk1' NAME disk1,
'/dev/disk2' NAME disk2,
'/dev/disk3' NAME disk3,
FAILGROUP fgrp2 DISK
'/dev/disk4' NAME disk4,
'/dev/disk5' NAME disk5,
'/dev/disk6' NAME disk6,
FAILGROUP fgrp3 DISK
'/dev/disk7' NAME disk7,
'/dev/disk8' NAME disk8,
'/dev/disk9' NAME disk9,
ATTRIBUTE 'au_size'='4M',
'compatible.asm' = '12.1',
'compatible.rdbms' = '12.1',
'compatible.advm' = '12.1',
'content_type' = 'recovery';
Which three statements are true about this disk group?

（A）The RECO diskgroup may only be used for the FRA.

（B）The Compatible attribute values of the disk group can be changed to lower values.

（C）Files created using a template with the redundancy attributes set to MIRROR will have three-way Mirroring.

（D）Files created using a template with the redundancy attribute set to HIGH will have three-way mirroring.

（E）Files created in it have three copies for each allocation unit.

（F）Any database instance with the COMPATIBLE parameter 10.1 and higher can use it.

正解：C、D、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 4

Which two statements are true about Oracle Clustered ASM performance? (Choose two.)

（A）All ASM Disks belonging to a disk group should have the same hardware specifications and storage attributes for optimal performance.

（B）All ASM Disks belonging to a disk group should be of the same size for optimal performance.

（C）Data files, redo logs, and RMAN backup pieces must be stored in different ASM disk groups for optimal performance.

（D）To improve performance a database must have two disk groups; one for data and one for the fast recovery area.

（E）Hardware-based mirroring combined with ASM mirroring guarantees optimal performance.

正解：A、B 解答を投票する

質問 5

Which three statements are true about Oracle 12c multitenant RAC databases created using the Database Configuration Assistant (DBCA) on a cluster from a RAC database home? (Choose three.)

（A）They are automatically configured to use Enterprise Manager Express.

（B）They can have multiple pluggable databases (PDB) when the container database (CDB) is created.

（C）They have a unique service name created for each pluggable database (PDB) automatically registered as a cluster service resource.

（D）They can be policy managed.

（E）They can be administrator managed.

（F）They have their pluggable databases (PDBs) opened in each container database (CDB) instance automatically after CDB creation.

正解：B、D、E 解答を投票する

質問 6

You must deploy several Oracle 12c databases on an Oracle Grid Infrastructure Managed Cluster, and are required to have the ability to perform these actions without down time:
1. Apply a Grid Infrastructure interim patch.
2. Apply a Grid Infrastructure Patch Set Update (PSU).
3. Apply a database on-line patch.
4. Apply a Grid Infrastructure patchset.
5. Apply a database patchset.
6. Upgrade Grid Infrastructure from one release to another.
7. Upgrade databases from one release to another.
Your plan is to perform these tasks:
1. Install and configure Oracle Grid Infrastructure on a local le system.
2. Install Oracle Database software on an ACFS le system.
3. Create several RAC One Node databases.
Which of the 7 requirements are met by your plan?

（A）1, 2, 3, 4, 5 and 6.

（B）1, 2, 3, 4 and 6.

（C）2, 3, 4 and 6.

（D）1, 2, 3 and 4.

（E）1, 2, 3, 4, 5, 6 and 7.

（F）2, 3, 4, 5 and 6.

正解：F 解答を投票する

質問 7

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

（A）Cluster resources running on leaf nodes connected to the failed hub node are relocated to one or more surviving leaf nodes.

（B）The hub node is evicted from the cluster

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

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

（E）Leaf nodes connected to the failing hub node are reconnected to a surviving hub node without service disruption.

（F）Cluster resources running on leaf nodes connected to the failed hub node are relocated to one or more surviving hub nodes.

（G）Cluster resources running on the failed hub node are relocated to one or more surviving hub nodes or leaf nodes, or both.

正解：B、C、E 解答を投票する

質問 8

Which two statements are tuning recommendations for RAC database? (Choose two.)

（A）Use sequences with CACHE and ORDER, if possible.

（B）Use Locally Managed Tablespaces with large uniform extent sizes.

（C）Use sequences with CACHE and NOORDER, if possible.

（D）Set PARALLEL_DEGREE_POLICY=AUTO to enable automatic Parallel Statement Queueing.

（E）Use Locally Managed Tablespaces with autoallocate.

（F）Set PARALLEL_DEGREE_POLICY=AUTO to enable In Memory Parallel Query.

正解：C、E 解答を投票する

質問 9

Which three components are integral parts of High Availability NFS (HANFS)?

（A）ExportFS

（B）NFS

（C）Application VIP

（D）DHCP

（E）HAIP

（F）HAVIP

正解：A、B、F 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

質問 10

Which three statements are true about Oracle Clusterware components, architecture, and behavior?

（A）Time synchronization in an Oracle Cluster is possible without using network Time Protocol (NTP).

（B）All cluster nodes can write or read from the Oracle Clusterware Repository (OCR) file at the same time.

（C）The Oracle High Availability Services Daemon (OHASD) is responsible for monitoring and maintaining the availability of the Clusterware stack on a cluster node.

（D）The Cluster Synchronization Services Daemon (CSSD) must connect to the cluster by accessing the Oracle Clusterware Repository (OCR) file before the Oracle High Availability Services Daemon (OHASD) is started.

（E）Voting disks stored in Automatic Storage Management (ASM) can be discovered or used even if the ASM instance on a cluster node is down.

（F）The Cluster Ready Services Daemon (CRSD) is responsible for monitoring and maintaining the availability of cluster resources defined in the Oracle Local Repository file (OLR).

正解：A、C、E 解答を投票する

解説: (JPNTest メンバーにのみ表示されます)

1z0-068 無料問題集「Oracle Database 12c: RAC and Grid Infrastructure Administrator」

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