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Oracle 1Z0-078 Exam Dumps

Exam Name: Oracle Database 19c: RAC, ASM, and Grid Infrastructure Administration
Exam Code: 1Z0-078
Related Certification(s): Oracle Database Certification
Certification Provider: Oracle
Number of 1Z0-078 practice questions in our database: 77

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DEMO QUESTIONS

Q1: Which two commands will stop the Oracle High Availability Services (OHAS) and prevent it from starting automatically at system boot on the local node? (Choose two.)

A: crsctl stop cluster

B: crsctl config crs

C: crsctl disable crs

D: crsctl stop crs

Correct Answer: C, D

Q2: Which two steps must always be performed to delete node host04 from an Oracle 19c Clusterware cluster that does not use Grid Naming Service (GNS)? (Choose two.)

A: Run the crsctl unpin css - host04 command as root on host01, or on either host02 or host03.

B: Run the crsctl delete node -n host04 command as root on host04.

C: Run the crsctl delete node -n host04 command as root on host01, or on either host02 or host03.

D: Run the crsct1 unpin css - host04 command as root on host04.

E: Run the rootcrs.pl -deconfig -force command as root on host04.

F: Run the rootcrs.pl -deconfig -force command as root on host01, or on either host02 or host03.

Correct Answer: C, E

Q3: Which statement describes the usage of Dynamic Service Fallback in Oracle RAC 19c?

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

B: Dynamic 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.

C: To 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'.

D: 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. 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 Answer: D

Q4: Which two operating system users and groups must be created on each node before installing Oracle Grid Infrastructure 19c? (Choose two.)

A: an 0/S user to own the Oracle Database installation

B: an O/S group called dba

C: an O/S user to own the Grid Infrastructure installation

D: an O/S group to own the software inventory

E: A group to own Automatic Storage Management (ASM) Filter Driver-provisioned storage

F: an O/S user to own the Clusterware installation and a different O/S user own the Automatic Storage Management (ASM) installation

Correct Answer: C, D

Q5: Which two statements are true about v$asm- views in a clustered environment? (Choose two.)

A: They exist in both ASM and RDBMS instances, but they can display different outputs depending on the instance type.

B: Their names can be seen in v$fixed_table when connected to an instance of any type that is started.

C: Their names can be seen in dice when connected to an ASM instance.

D: gv$asm_attribute can be used to display the ASM_POWER_LIMIT attribute of all ASM instances in the cluster.

B: They exist in both ASM and RDBMS instances, and display the same output.

Correct Answer: A, D
[acf_quiz]

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