1z0-1093-25 Free Practice Test

Which two functionalities can be accomplished using the Performance Hub within Database Management for monitoring?

1. A. Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload.
2. B. Directly modify database initialization parameters.
3. C. Identify blocking sessions that are impacting database performance.
4. D. Upgrade the database to a newer version.

Correct Answer: AC

Which prerequisite is NOT required before enabling the Database Management Service for
a cloud database in Oracle Cloud Infrastructure?

1. A. The database must be running and accessible.
2. B. The necessary IAM policies must be in place to grant the Database Management Service access to the database.
3. C. The database must be configured with automatic backups enabled.
4. D. The Oracle Management Agent must be installed and running on the database host, if applicable.

Correct Answer: C

You need to implement a backup and recovery strategy for your MySQL HeatWave Database System. What is the recommended method for backing up and restoring your HeatWave cluster?

1. A. Manually copying the data files from the HeatWave cluster's storage.
2. B. Using the OCI Object Storage service for storing manual database dumps.
3. C. Utilizing OCI Database backups, which include both the MySQL Database System and the HeatWave cluster.
4. D. Relying solely on MySQL replication to another MySQL instance.
5. E. Using the MySQL Enterprise Backup tool directly on the HeatWave nodes.

Correct Answer: C

A critical query running on your HeatWave cluster is experiencing significant performance degradation. Which tool or service should you use to identify and analyze the specific query causing the bottleneck?

1. A. OCI Vault for auditing query execution.
2. B. OCI Events for tracking query start and end times.
3. C. MySQL Slow Query Log and OCI Logging Analytics.
4. D. OCI Network Visualizer for analyzing network latency.
5. E. OCI Bastion for secure access to the query execution environment.

Correct Answer: C

When upgrading the Oracle Database software version on a BaseDB VM system, what is the primary responsibility of the database administrator (DBA) regarding the underlying operating system?

1. A. The DBA is responsible for initiating and managing the operating system upgrade process through the Oracle Cloud Infrastructure console.
2. B. The DBA must ensure the operating system is compatible with the target Oracle Database software version before initiating the database upgrade.
3. C. The DBA has no direct responsibility for the operating system as it is fully managed by Oracle Cloud Infrastructure.
4. D. The DBA should manually update the operating system packages after the database upgrade is successfully completed.

Correct Answer: B