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Question 1

Multiple choice

You are doing a RAC implementation for a customer. Your customer states that they have the hardware to install additional network adapters on each RAC node. ldentify three reasons for which they might need additional adapters

A
Each server has at least two network adapters
B
Each server was accidentally ordered with only one network adapter
C
Each server is using network-attached storage on one or two of their adapters
D
They want to use the Redundant Interconnect Usage feature
E
Each server has two network adapters and RAC requires at least three

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Correct answersB, C, D

Question 2

Single choice

You want to add host03 to a Flex cluster. In which order will you execute these commands?

1. [grid@host01]$ cluvfy stage -post hwos -n host03
2. [grid@host01]$ cluvfy comp peer -refnode host01 -n host03 -orainv oinstall - osdba
3. [grid@host01]$ cluvfy stage -pre nodeadd -n host03 -fixup
4. [grid@host01]$ cluvfy stage -post nodeadd -n host03 -verbose
5. [grid@host01]$ oclumon manage -get resize
6. [grid@host01]$ ./addnode.sh -silent "CLUSTER_NEW_NODES=(hosr03)"
"CLUSTER_NEW_VIRTUAL_HOSTNAMES=(host03-vip,)"
"CLUSTER_NEW_NODE_ROLES=(hub1leaf)"

A
1, 2, 3, 4, 5, 6
B
1, 2, 5, 3, 6, 4
C
3, 5, 6, 2, 1, 4
D
3, 6, 5, 1, 2, 4
E
5, 6, 3, 1, 4, 2

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Correct answerB

Question 3

Single choice

Which statement about the srvctl modify instance command is correct?

A
For a policy-managed database, this command defines an instance name to use when the database runs on the specified node.
B
For an administrator-managed database, this command restores the configuration of a database instance
C
You can use this command to rename or relocate a running instance.
D
This command is only available with Oracle RAC One Node.

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Correct answerA

Question 4

Single choice

According to the OEM Log Checker, the OCR has failed and must be restored.

Which option accurately describes how to fix the problem?

A
#su oracle
ocrconfig -showbackup
ocrconfig -replace/oraocfs/crs/data.ocr -replacement +ADMINDG
B
#su grid
ocrconfig -showbackup
ocrconfig -replace/oraocfs/crs/data.ocr -replacement +ADMINDG
C
As root execute:
ocrconfig -showbackup
ocrconfig -local /oraocfs/crs/data.ocr -recover +ADMINDG
D
As root execute:
ocrconfig -showbackup
ocrconfig -replace /oraocfs/crs/data.ocr -replacement +ADMINDG
E
#su - grid
ocrconfig -showbackup
ocrconfig -cluster/oraocfs/crs/data.ocr -recover +ADMINDG

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Correct answerD

Question 5

Single choice

You are upgrading from an earlier version of Oracle Clusterware to Oracle Clusterware 12cR1 and want to store the OCR in an Oracle ASM disk group.

What are the correct steps required to accomplish this task?

A
Set the ASM Compatibility attribute to 10.2.0.1 or later.
Verify you are running the correct version of Oracle Clusterware 12cR1 by issuing $crsctl query crsactiveversion Using srvctl create a disk group appropriately sized for the OCR you are migrating to ASM.
As root, issue #ocrcheck -add +DG_OCR
As root, issue # ocrcheck --delete old_ocr_location
B
Set the ASM Compatibility attribute to 10.2.0.2 or later.
Verify you are running the correct version of Oracle Clusterware 12cR1 by issuing $crsctl query crsactiveversion Using acmca configure and start Oracle ASM on all cluster nodes.
Using asmca create a disk group appropriately sized for the OCR you are migrating to ASM.
As root, issue #ocrcheck -add +DG_OCR
As root, issue # ocrcheck -delete old_ocr_location
C
Set the ASM Compatibility attribute to 10.2.0.2 or later.
Verify you are running the correct version of Oracle Clusterware 12cR1 by issuing $crsctl query crsactiveversion Using crsctl, configure and start Oracle ASM on all cluster nodes.
Using crsctl create a disk group appropriately sized for the OCR you are migrating to ASM.
As grid infrastructure owner, issue # ocrconfig -add +DG_OCR As grid infrastructure owner, issue #
ocrconfig -delete old ocr location
D
Set the ASM Compatibility attribute to 10.2.0.2 or later.
Verify you are running the correct version of Oracle Clusterware 12cR1 by issuing $crsctl query crsactiveversion Using acmca configure and start Oracle ASM on all cluster nodes.
Using asmca create a disk group appropriately sized for the OCR you are migrating to ASM.
As root, issue #ocrdump -add +DG_OCR
As root, issue # ocrdump -delete old_ocr_location

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Correct answerC

Question 6

Single choice

Under which condition can Oracle Automated Storage Management (ASM) be considered to be a component of the Oracle Clusterware technology stack?

A
Oracle Cluster Registry (OCR) is stored on Oracle ASM
B
Oracle Local Registry (OLR) is stored on a clustered file system (OCFS/ACFS/DBFS)
C
Both Oracle Cluster Registry and Oracle Local Registry are stored on Oracle ASM
D
Oracle ASM can never be considered a component of Oracle Clusterware
E
Oracle ASM can be considered a component of Oracle Clusterware technology stack only when deployed on engineered systems such as Exadata or Oracle Database Appliance

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Correct answerA

Question 7

Multiple choice

Which three statements best describe how Oracle ACFS takes advantage of Oracle ASM?

A
File systems can be dynamically resized.
B
Performance can be maximized through direct access to Oracle ASM disk groups.
C
Oracle ACFS maximizes availability through a dedicated path on the Cluster Interconnect.
D
Data reliability in Oracle ACFS is enhanced by Oracle ASM mirroring.
E
All file systems are mirrored across Oracle ASM Disk Groups to increase reliability.

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Correct answersA, B, D

Question 8

Multiple choice

You are given the task of managing an Oracle RAC 12cR1 Cluster by using Oracle Flex ASM.

Which two statements are valid?

A
A failure of an ASM instance affects the databases, even if you are using ASM disk groups
B
A failure of an ASM instance affects availability for the databases using ASM disk groups due to decreased cardinality of available ASM instances
C
To determine whether Oracle Flex ASM is enabled, use asmcmd show cluster mode
D
When deployed, Oracle Flex ASM enables an Oracle ASM instance to run on a separate physical server from the database server

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Correct answersA, D

Question 9

Single choice

Which statement accurately describes the benefit of the policy-managed database feature with Oracle RAC 12cR1?

A
It protects against cascade failures due to network usage. It migrates workload isolation to specific
pools. Less important workloads shut down immediately.
B
It protects against cascade failures due to load. It ensures that workload isolation is balanced between
pools. Less important workloads start transactionally
C
It protects against cascade failures due to load. It ensures workload isolation between pools. Less
important workloads shut down transactionally
D
It protects against cascade failures due to load. It ensures workload isolation between pools. Less important workloads shut down and start uniformly.
E
It protects against cascade failures due to load. It ensures workloads are not isolated between pools.
Less important workloads shut down transactionally.

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Correct answerC

Question 10

Single choice

You want to convert an Oracle Clusterware Standard Cluster to an Oracle Flex Cluster.

Which commands will you execute?

A
crsct1 config gns
crsct1 add gns -vip myvip | IP address
srvct1 stop cluster -node mynode
srvct1 modify cluster node flex
B
srvct1 get cluster mode status
# if GNS not configured then must be configured with a fixed VIP - find GNS status
srvct1 set config gns
srvct convert cluster mode flex
C
crsct1 get cluster mode status
# if GNS not configured then must be configured with a fixed VIP - find GNS status srvct1 config gns
crsct1 set clustermode flex
crsct1 stop crs
crsct1 start crs -wait
D
crsct1 set clusterware hub
crsct1 set clustermode flex
srvct1 show cluster mode status

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Correct answerC

Question 11

Multiple choice

Identify three stages of recovery of Oracle RAC Database 12cR1, which can be done in parallel with RMAN's RESTORE and RECOVER commands

A
Applying archived redo logs
B
Applying redo log files
C
Applying incremental backups
D
Restoring data files
E
Restoring SPFILE

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Correct answersA, C, D

Question 12

Single choice

Identify the correct srvct1 command to add the crm01 instance to the COB RAC 12cR1 database crm on the gm01 node.

A
Srvct1 add cdb instance -db crm -instance crm01 -node gm01
B
Srvct1 add instance -db crm -instance crm01 -node gm01
C
Srvct1 add non-cdb instance -db crm -instance crm01 -node gm01
D
Srvct1 add pdb instance -db crm -instance crm01 -node gm01

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Correct answerB

Question 13

Single choice

Which statement is true about the installation of Oracle Grid Infrastructure 12cR1 by using Oracle Universal lnstaller (OUI)?

A
You can use OUI to upgrade the entire Grid Infrastructure to 12cR1.
B
You can use OUI to install Grid Infrastructure in an Oracle Restart configuration.
C
You must use OUI to first install software only and then configure Oracle Clusterware and ASM.
D
You can use OUI to upgrade Oracle ASM to more recent release than Oracle Clusterware.
E
You can use OUI to install and configure a cluster that contains only hub nodes.

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Correct answerA

VOL	TYPE	QUESTIONS
1	Single choice	9
2	Multiple choice	4

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