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Free Oracle 1Z0-915-1 Actual Exam Questions

The questions for this exam were last updated on January 7, 2026

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Question No. 1

How can you determine the uptime of a DB system?

Select one option, then reveal solution.

Question No. 2

Why would you select "Source cannot use GTID auto-positioning" when creating a channel?

Select one option, then reveal solution.

Question No. 3

You want to replicate data from an on-premises MySQL server to a MySQL DB system. The on-
premises MySQL server runs in your corporate network. The MySQL server accepts incoming
connections from the Internet on a public IP endpoint.
The DB system runs in Oracle Cloud Infrastructure. The DB system endpoint is connected to a private
subnet of a VCN.
Which network configuration is required?

Select one option, then reveal solution.

Question No. 4

You want to create a new DB system with data import. How do you prepare the data?

Select one option, then reveal solution.

Question No. 5

Which three must be provided when creating a channel? (Choose three.)

Select all that apply, then reveal solution.

Question No. 6

Which feature do you use to copy transactions from an on-premises MySQL instance to a DB system?

Select one option, then reveal solution.

Question No. 7

Which two are true about data loaded into a MySQL HeatWave cluster? (Choose two.)

Select all that apply, then reveal solution.

Question No. 8

What must you do to minimize a DB system down time caused by automatic maintenance
operations?

Select one option, then reveal solution.

Question No. 9

What must you do before deleting a DB system?

Select one option, then reveal solution.

Question No. 10

You have successfully provisioned a MySQL DB system on Oracle Cloud Infrastructure by using OCI
Console. You have installed the standard MySQL client libraries and MySQL Shell on your workstation
that is not connected to any VPN, FastConnect, or SSH tunnel.
You CANNOT connect directly to the DB system endpoint from your workstation connected to the
Internet.
What is the reason?

Select one option, then reveal solution.

Question No. 11

The following statements execute successfully:
CALL sys.ML_TRAIN(‘ml_data.iris’, ‘class’, NULL, @model);
SELECT @model;
Which three are true? (Choose three.)

Select all that apply, then reveal solution.

Question No. 12

You create a MySQL DB system with default port numbers, and attach it to a subnet.
Which configuration is required on the subnet to enable client applications to connect to the DB
system?

Select one option, then reveal solution.

Question No. 13

Which placement is NOT valid for a high-availability DB system? (Note: AD refers to availability
domain and FD refers to fault domain.)

Select one option, then reveal solution.

Question No. 14

Which two are benefits of read replicas? (Choose two.)

Select all that apply, then reveal solution.

Question No. 15

You want to restore the backup of a stand-alone DB system to a new DB system.
Which two changes are allowed? (Choose two.)

Select all that apply, then reveal solution.