Online 1Z0-915-1 Practice Test

Question 1

You have a MySQL DB system with five active read replicas. The workload consists of 5% writes and 95%

reads.

Which connection method provides the fastest query response time?

Options :

A : Connect to the source DB system to perform read-only operations.

B : Connect to a specific read replica to perform read-only operations.

C : Connect to the read replica load balancer to perform read-only operations.

D : Connect to the read replica load balancer to perform read/write operations.

Answer: C

Question 2

You have obtained a new tenancy on Oracle Cloud Infrastructure. You first create a VCN by using the VCN Wizard, and then create a MySQL DB system. You want to create a Connection in Database tools to use the SQL Worksheet feature. Which three steps are required? (Choose three.)

Options :

A : Create an OCI password.

B : Create an encryption key.

C : Create an OCI vault.

D : Create an OCI secret.

E : Import an X.509 certificate into the OCI vault.

Answer: A,D,E

Question 3

Your Bastion session is successfully established, but you encounter connection errors when trying to access the MySQL HeatWave DB system through the tunnel. What is a potential cause of this issue?

Options :

A : The security list attached to the Bastion instance doesn't allow outbound connections to the HeatWave DB system port.

B : The HeatWave DB system is running in a different Availability Domain than the Bastion instance.

C : The HeatWave DB system is not configured with the appropriate hostname or service name for the connection attempt.

D : The client application used to connect is incompatible with the MySQL HeatWave protocol.

E : The private subnet where the HeatWave DB system resides doesn't have a route to the Bastion instance subnet.

Answer: A

Question 4

You want to connect to a DB system with MySQL Shell.

DB system endpoint IP address: 10.0.1.221

Username: admin

Password: MySQL8.0

Which two commands work? (Choose two.)

Options :

A : mysqlsh -h 10.0.1.221 -u admin -p MySQL8.0

B : mysqlsh mysql://MySQL8.0:[email protected]

C : mysqlsh mysql://admin:[email protected]

D : mysqlsh -h10.0.1.221 -uadmin -pMySQL8.0

E : mysqlsh -host 10.0.1.221 -user admin -password MySQL8.0

Answer: C,D

Question 5

Your inbound replication from an on-premises MySQL database to your HeatWave service is experiencing errors and delays. How can you troubleshoot the issue effectively?

Options :

A : Monitor HeatWave resource utilization and adjust resource allocation if needed.

B : Analyze HeatWave redo logs for errors related to replication activity.

C : Check the on-premises database logs for connectivity issues and replication errors.

D : Review all GoldenGate logs and configuration settings for potential inconsistencies.

Answer: D

EXPERTY DESIGNED 1Z0-915-1 PRACTICE TEST