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Oracle Cloud Database Services 2021 Specialist Sample Questions:

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

A) All database compute nodes of the VM cluster are up and running.
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) The required patch is available on the Control Plane server.

2. 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 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) Change the database backup location to Object Storage with the default retention period set.

3. What information is required to connect to the NoSQL Database Cloud Service?

A) API signing key, admin ID, user ID
B) tenancy 1D, passphrase, handshake key
C) user ID, tenancy ID, component ID
D) signing key fingerprint, API signing key, tenancy OCID

4. In a two-node Real Applications Cluster environment, the Internet and VCN Resolver are supported for DNS in the DB system. Which TWO tasks are required for the network setup? (Choose all correct answers)

A) Select the hostname field for a DNS label when the subnet is being created.
B) Select "Use DNS Hostnames in this VCN" as the VCN is being created.
C) After the VCN is created, modify the DNS settings to use DNS Hostnames.
D) when creating the database, specify a value in the Hostname Prefix.

5. 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) 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.
D) You can terminate a primary database DB system.
E) If the primary database becomes unavailable, then you can use Oracle Data Guard to fail over the standby database to the primary role.

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