Online 1Z0-915-1 Practice Test

Question 1

You want to set up automatic backups for your MySQL HeatWave service in OCI. Which three configuration options are essential for a robust backup strategy?

Options :

A : Retention policy for archived backups

B : Encryption options for backup files

C : Scheduling for incremental backups

D : Backup storage destination in OCI Object Storage

E : Integration with Oracle Cloud Infrastructure Notifications

Answer: A,B,D

Question 2

What additional configuration is needed alongside IAM integration to enable users to connect to the MySQL HeatWave DB system using IAM credentials?

Options :

A : Configure a Bastion session with the DB system-s private subnet as the target resource.

B : Set up SSH key authentication on the DB system and specify the key pair during IAM user creation.

C : Create a dedicated security list rule allowing inbound traffic from the OCI Console IP address range.

D : Configure virtual private cloud (VPC) peering between the DB system-s VCN and the IAM service VCN.

E : Assign the heatwave_user role to IAM users intended to access the HeatWave layer.

Answer: E

Question 3

You're setting up inbound replication from an on-premises MySQL database to your MySQL HeatWave service in OCI. Which connectivity option offers the highest security and reliability for data transfer?

Options :

A : Configure direct TCP/IP connection between the on-premises database and HeatWave service.

B : Utilize Oracle GoldenGate with Secure Sockets Layer (SSL) encryption for data replication.

C : Establish connection through OCI VPN Connect with IPSec tunnel encryption.

D : Implement Oracle Cloud Infrastructure Object Storage as an intermediate staging point for data.

Answer: B

Question 4

You need to create a read replica for your MySQL HeatWave service in a different OCI region. Which of the following is the MOST efficient approach?

Options :

A : Clone the entire HeatWave service with its read replica configuration.

B : Create a new HeatWave service in the target region and manually configure a read replica connection.

C : Use the Oracle Cloud Infrastructure (OCI) Console to create a read replica directly from the source HeatWave service.

D : Backup the source HeatWave service and restore it in the target region, including the read replica configuration.

Answer: C

Question 5

You've trained a HeatWave AutoML model for predicting customer purchase behavior. Which metrics are most important to evaluate its effectiveness for this specific task?

Options :

A : Accuracy & Recall

B : Mean Squared Error (MSE) & R-squared

C : AUC & F1 Score

D : Confusion Matrix & Precision

Answer: C

EXPERTY DESIGNED 1Z0-915-1 PRACTICE TEST