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Oracle 1Z0-1093-21 Exam Syllabus Topics:

Oracle Cloud Database Services 2021 Specialist Sample Questions:

1. When configuring connectivity for hosts in the VCN, security lists contain defaults for implementing security rules. Which TWO additional rules are needed for database systems? (Choose all correct answers)

A) allows Path MTU Discovery fragmentation messages
B) allows ONS and FAN traffic from within the VCN
C) allows SSH traffic from anywhere
D) allows SQL*NET traffic from within the VCN

2. Which two statements are true about changing the shape of a virtual machine (VM) database (DB) system to adapt to changes in performance needs?
(Choose all correct answers)

A) After you provision a VM DB system with a shape that supports Oracle RAC, you can change that shape to another shape that does not support Oracle RAC.
B) After you provision a VM DB system, you cannot change the shape. You have to provision another VM DB system using a full backup.
C) It is possible to change the shape of a VM DB system with a higher number of OCPUs. However, reducing the number of OCPUs is not permitted.
D) If the current shape of the VM DB system supports Oracle Real Application Clusters (RAC), then you can only change that shape to another shape that also supports Oracle RAC.
E) The shape of a VM DB system can be changed at any time, with no impact on the amount of storage available to the DB system.

3. Which TWO statements are true when enabling autonomous Data Guard on Autonomous Exadata. (Choose all correct answers)

A) Data Guard is not currently supported on Autonomous Exadata Cloud@Customer.
B) When in a Data Guard configuration patching will always take place on the standby database first.
C) Data Guard can be set per individual Autonomous Database within a Container Database.
D) Autonomous Data Guard only supports Maximum Performance and Maximum Protection protection modes.
E) Autonomous databases inherit their Data Guard configuration from their Autonomous Container Database.

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

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

Solutions: