Free Oracle 1Z0-078 Actual Exam Questions
The questions for this exam were last updated on January 7, 2026
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Question No. 1
Which three statements are true about ASM Cloud File System (ACFS) replication? (Choose three.)
Select all that apply, then reveal solution.
Question No. 2
Which statement is true concerning the installation of an Oracle Grid Infrastructure 19c patchset and
its status during the installation?
its status during the installation?
Select one option, then reveal solution.
Question No. 3
Which three statements are true about the Oracle Clusterware 19c Flex Cluster architecture? (Choose
three.)
three.)
Select all that apply, then reveal solution.
Question No. 4
A Java application using thick JDBC connections will soon be deployed, and you must configure a RAC
database to support highly available connections.
Broken connections must be re-established as quickly as possible.
Which feature will support this requirement?
database to support highly available connections.
Broken connections must be re-established as quickly as possible.
Which feature will support this requirement?
Select one option, then reveal solution.
Question No. 5
Which two statements are true about High Availability NFS (HANFS)? (Choose two.)
Select all that apply, then reveal solution.
Question No. 6
Examine this sequence of commands:
The cluster consists of nodes HOST01, HOST02, HOST03 and HOST04, and the clusterware is running
on all four nodes.
Which three statements are true about the result of the root user running these commands on
HOST01? (Choose three.)
The cluster consists of nodes HOST01, HOST02, HOST03 and HOST04, and the clusterware is running
on all four nodes.
Which three statements are true about the result of the root user running these commands on
HOST01? (Choose three.)
Select all that apply, then reveal solution.
Question No. 7
Examine this command:
SQL> CREATE PLUGGABLE DATABASE pdb3 FROM pdb1;
Which three conditions must be true for successful execution of this command on a RAC database?
(Choose three.)
SQL> CREATE PLUGGABLE DATABASE pdb3 FROM pdb1;
Which three conditions must be true for successful execution of this command on a RAC database?
(Choose three.)
Select all that apply, then reveal solution.
Question No. 8
You must deploy several Oracle 19c 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 file system.
2. Install Oracle Database software on an ACFS file system.
3. Create several RAC One Node databases.
Which of the seven requirements are met by your plan?
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 file system.
2. Install Oracle Database software on an ACFS file system.
3. Create several RAC One Node databases.
Which of the seven requirements are met by your plan?
Select one option, then reveal solution.
Question No. 9
Examine this command and output:
Examine this command:
Which statement must be true for the successful execution of the second command?
Examine this command:
Which statement must be true for the successful execution of the second command?
Select one option, then reveal solution.
Question No. 10
Secure Cluster Communication protects the cluster interconnect from common security threats when
used together with Single Network Support. Secure Cluster Communication includes message digest
mechanisms, protection against fuzzing, and uses Transport Layer Security (TLS) to provide privacy
and data integrity between the cluster members.
Which statement is true about securing cluster interconnect communication?
used together with Single Network Support. Secure Cluster Communication includes message digest
mechanisms, protection against fuzzing, and uses Transport Layer Security (TLS) to provide privacy
and data integrity between the cluster members.
Which statement is true about securing cluster interconnect communication?
Select one option, then reveal solution.
Question No. 11
Which task must be performed before running the OPatch utility to patch Oracle Grid Infrastructure
19c?
19c?
Select one option, then reveal solution.
Question No. 12
You performed these steps to disable an ADVM volume containing an ACFS file system:
1. Dismount the file system.
2. Disable the volume with the ASMCMD voldisable command.
Which two statements are true regarding the actions performed? (Choose two.)
1. Dismount the file system.
2. Disable the volume with the ASMCMD voldisable command.
Which two statements are true regarding the actions performed? (Choose two.)
Select all that apply, then reveal solution.
Question No. 13
Identify three prerequisites for the successful installation of Oracle Grid Infrastructure 19c when
using Full Featured Grid Naming Service (GNS). (Choose three.)
using Full Featured Grid Naming Service (GNS). (Choose three.)
Select all that apply, then reveal solution.
Question No. 14
Which three statements are true concerning Automatic Database Diagnostic Monitor (ADDM) for
RAC? (Choose three.)
RAC? (Choose three.)
Select all that apply, then reveal solution.
Question No. 15
Which three statements are true about undo management in a RAC environment? (Choose three.)
Select all that apply, then reveal solution.