Online Access Free 1z0-1093-22 Practice Test

Which three statements are true regarding MySQL Database Service HeatWave? (Choose all correct answers) HeatWave uses periodic long-running ETL batch jobs to refresh the data.

• A.Heatwave is a in-memory, query-processing engine designed for fast execution of analytic queries.
• B.Heatwave is Exclusively available in Oracle Cloud Infrastructure.
• C.Heatwave uses machine learning to automate operations, increasing DBA productivity and reducing costs.
• D.HeatWave data which is needed for analytic processing is stored in disk files.

You want to permanently delete the DB System and its attached HeatWave cluster. Which action should you perform?

• A.Terminate the DB system and drop the associated HeatWave Cluster.
• B.Delete the Heatwave Cluster and it will also delete the DB system.
• C.Delete the DB system and it will also delete the attached HeatWave Cluster.
• D.Drop the DB system and terminate the associated HeatWave Cluster.

Assume that there are no resource limits on your underlying Exadata Cloud@Customer hardware. What is the maximum number of Autonomous container databases that can be created on one Autonomous VM cluster?

• A.5
• B.12
• C.4
• D.32

Which three actions can you perform on a DB system that has an Oracle Data Guard association with a standby database?
(Choose all correct answers)

• A.You can use the reinstate command to return a failed database into standby role after correcting the cause of failure.
• B.You can write on both primary and standby databases because DB system standby databases in Oracle Cloud Infrastructure Database are logical standbys.
• C.If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.
• D.You can switch over the primary database to the standby role, perform maintenance on the standby database, and then switch it back to the primary role.
• E.You can terminate a primary database DB system.

In Exadata Cloud Service, you use Oracle Data Guard for disaster recovery. What is the minimum egress requirement needed to enable Data Guard between Exadata Cloud Services?

• A.Open for all protocols
• B.Tcp traffic only for port 22
• C.Tcp traffic only for port 1521
• D.Tcp traffic only for port 1521 and port 22