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Oracle 1Z0-1093-21 Exam Syllabus Topics:

Oracle Cloud Database Services 2021 Specialist Sample Questions:

1. Your MySQL Database Service system is automatically backed up between midnight and 1 AM. What must you do to change the starting time to 4 AM?

A) Use the mysqlbackup command to establish a 4 AM backup start time.
B) From the Edit MySQL DB System Details page, select Backup Window and set the start time to 4 AM.
C) Update the Oracle Cloud Infrastructure (OCI) MySQL DB System Details page to specify the 4 AM backup window start time.
D) Edit the OCI MySQL DB System Details to set the Enable Automatic Backups time to 4 AM.

2. Which is NOT a prerequisite for patching Grid Infrastructure or database homes when using the console?

A) The required patch is available on the Control Plane server.
B) Oracle Clusterware is down on the VM cluster.
C) The /u01 directory on the database host file system has at least 15 GB of free space for the execution of Patching processes.
D) All database compute nodes of the VM cluster are up and running.

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

4. After you have provisioned a virtual machine (VM) database (DB) system, what action can you take to meet changes in block storage requirements?

A) After you have provisioned a VM DB system, you cannot increase or decrease block storage.
B) If a vm DB system has different requirements for block storage, increase or decrease the storage at any time without impacting the system.
C) If a vm DB system requires more block storage, increase the storage at any time without impacting the system.
D) Only bare metal DB systems can increase block storage at any time without impacting the system.

5. When you created your development database on Exadata Cloud@Customer, you selected "None" for backup location during provisioning. You now need to enable automatic backups on the development database with a retention period of 45 days. Which action should you perform?

A) No action can be taken, because a new backup location cannot be set after creation.
B) Change the database backup location to Object Storage with the default retention period set.
C) Change the database backup location to an NFS backup location with a 45-day retention period set.
D) Change the database backup location to local storage backups and set retention to 45 days.

Solutions: