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. Tcp traffic only for port 1521 and port 22
B. Tcp traffic only for port 1521
C. Tcp traffic only for port 22
D. Open for all protocols
What THREE steps must you perform to connect to a MySQL database in the database system by usingSSH and MySQL Shell?
A. Add an ingress rule for port 20.
B. Instantiate MySQL Shell on the MySQL database system instance.
C. Connect to the MySQL Database Service instance.
D. SSH into the compute instance from your local machine.
E. Start MySQL Shell onthe compute instance.
Which FOUR storage options are available in Oracle Cloud Infrastructure (OCI)? (Choose all correct answers)
A. Local storage
B. Object Storage
C. EFS Storage
D. Block Storage
E. File Storage
F. EBS Storage
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. 12
B. 4
C. 5
D. 32
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 local storage backups and set retention to 45 days.
C. Change the database backup locationto an NFS backup location with a 45-day retention period set.
D. Change the database backup location to Object Storage with the default retention period set.
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. If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.
B. You can write on both primary and standby databases because DB system standby databases in Oracle Cloud Infrastructure Database are logical standbys.
C. You can terminate a primary database DB system.
D. You can use the reinstate command to return a failed database into standby role after correcting the cause of failure.
E. 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.
When configuringconnectivity 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 SQL*NET traffic from within the VCN
B. allows ONS and FANtraffic from within the VCN
C. allows SSH traffic from anywhere
D. allows Path MTU Discovery fragmentation messages
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. Edit the OCI MySQL DB System Details to set the Enable Automatic Backups 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. From the Edit MySQL DB System Details page, select Backup Window and set the start time to 4 AM.
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 DBsystem and it will also delete the attached HeatWave Cluster.
D. Drop the DB system and terminate the associated HeatWave Cluster.
Which is NOT a prerequisite forpatching Grid Infrastructure or database homes when using the console?
A. The /u01 directory on the database host file system has at least 15 GB of free space for the execution of Patching processes.
B. Oracle Clusterware is down on the VM cluster.
C. Therequired patch is available on the Control Plane server.
D. All database compute nodes of the VM cluster are up and running.
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