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1Z0-078 Exam Questions

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Question 1

Which three statements are true concerning activation of a user-defined policy in Oracle 19c Clusterware? (Choose three.)

AWhen a policy is activated, resources can be automatically stopped to comply with the policy definition.

BAn administrator-defined policy may be activated using the srvctl utility.

CWhen a policy is first created, it is initially inactive.

DWhen a policy is first created, it is initially active.

EWhen a policy is activated, resources cannot be automatically started to comply with the policy definition.

FWhen a policy is activated, nodes may be reassigned to server pools based on the policy definition.

Correct : A, B, C

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AWhen a policy is activated, resources can be automatically stopped to comply with the policy definition.

BAn administrator-defined policy may be activated using the srvctl utility.

CWhen a policy is first created, it is initially inactive.

DWhen a policy is first created, it is initially active.

EWhen a policy is activated, resources cannot be automatically started to comply with the policy definition.

FWhen a policy is activated, nodes may be reassigned to server pools based on the policy definition.

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Question 2

Which statement describes the usage of Dynamic Service Fallback in Oracle RAC 19c?

ADynamic Service Fallback allows a service to relocate to an available instance when the service is stopped on a preferred instance.

BDynamic Service Fallback allows a service to fall back to a preferred instance when the available instance performance falls below a specified threshold after it was failed over to an available instance.

CTo enable Dynamic Service Fallback, you should specify the level of performance of a preferred instance for a service to be relocated to an available instance by setting the -fallback attribute of a service to 'Low, Medium, or High'.

DDynamic Service Fallback allows a service to fall back to a preferred instance when it becomes available after it was failed over to an available instance.
Dynamic Service Fallback allows a service to fall back to a preferred instance when it becomes available after it was failed over to an available instance. This is true because Dynamic Service Fallback is a new feature in Oracle RAC 19c that enables a dynamic database service to automatically relocate to a preferred instance when it is restored, after the service was failed over to an available instance due to the failure of the last preferred instance. This feature improves the availability and performance of the service by minimizing the manual intervention and the number of failovers.To enable Dynamic Service Fallback, you should specify the -failback option for the service as YES when using SRVCTL or DBCA12.Reference:
: Oracle Database 19c Release 19.3 New Features, Dynamic Services Fallback Option1
: Automatic Failback of a Service in a Oracle-19c-RAC-Database2

Correct : D

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ADynamic Service Fallback allows a service to relocate to an available instance when the service is stopped on a preferred instance.

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Question 3

Zero Downtime Patching uses Fleet Patching and Provisioning to patch Oracle Grid Infrastructure without bringing down Oracle RAC database instances.

Which three statements are true about Zero-Downtime Oracle Grid Infrastructure Patching? (Choose three.)

AZero Downtime Patching requires out-of-place patching of Oracle Grid Infrastructure 19c with Oracle RAC or Oracle RAC One Node databases of 19c or later releases and only the binaries in the Oracle Grid Infrastructure user space are patched.

BWhen using Zero Downtime Patching, the root.sh script must be executed manually with --nodriver update option.

CWhen using Zero Downtime Patching, Oracle Grid Infrastructure OS system software, kernel modules and system commands including ACFS, AFD, OLFS, and OKA are not updated.

DZero Downtime Patching requires in-place patching of Oracle Grid Infrastructure 19c with Oracle RAC or Oracle RAC One Node databases of 19c or later releases and only the binaries in the Oracle Grid Infrastructure user space are patched.

EZero Downtime Patching can be fully automated by selecting the option to automatically run the root.sh script.

Correct : A, B, C

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BWhen using Zero Downtime Patching, the root.sh script must be executed manually with --nodriver update option.

CWhen using Zero Downtime Patching, Oracle Grid Infrastructure OS system software, kernel modules and system commands including ACFS, AFD, OLFS, and OKA are not updated.

EZero Downtime Patching can be fully automated by selecting the option to automatically run the root.sh script.

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Question 4

For which three entities can the "what-if" command evaluation be used to determine the impact of clusterware management operations in Oracle 19c Clusterware? (Choose three.)

ACluster resources

BDatabase transactions

CLocal resources

DAdministrator-defined resources

EPluggable Databases (PDBs)

Correct : A, C, D

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ACluster resources

BDatabase transactions

CLocal resources

DAdministrator-defined resources

EPluggable Databases (PDBs)

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Question 5

Which three statements are true about services and load balancing for Oracle 19c clients connecting to Oracle 19c RAC database instances? (Choose three.)

AServices support the balancing of client connections across RAC database instances.

BIn server-side load balancing, node listener redirects the client to another node listener for connection to an instance.

CLoad balancing can be done by the client or the listener, but not both, for any one connection request.

DClient-side connect-time load balancing can balance connection requests across SCAN listeners.

ELoad balancing can be done by the client, the listener, or both, for any one connection request.

Correct : A, B, E

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AServices support the balancing of client connections across RAC database instances.

BIn server-side load balancing, node listener redirects the client to another node listener for connection to an instance.

CLoad balancing can be done by the client or the listener, but not both, for any one connection request.

DClient-side connect-time load balancing can balance connection requests across SCAN listeners.

ELoad balancing can be done by the client, the listener, or both, for any one connection request.

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Total 77 questions

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Exam Name: Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration
Exam Code: 1Z0-078
Last Update: 13-Mar-2026
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