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Oracle Cloud Database Services 2021 Specialist Sample Questions:

1. What permissions do you need to perform actions on a NoSQL table?

A) NOSQL_TABLE_INSPECT, NOSQL_TABLE_UPDATE
B) NOSQL_TABLE_WRITE, NOSQL_ROWS_INSERT
C) NOSQL_TABLE_DESTROY, NOSQL_TABLE_ALTER
D) NOSQL_ROWS_READ, NOSQL_ROWS_DELETE

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

3. 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.

4. Which two circumstances are FALSE when you use the Console to recover a DB system database from a backup stored in Oracle Cloud Infrastructure Object Storage? (Choose all correct answers)

A) The pp system has no access to the Oracle Cloud Infrastructure Object Storage service location where the backup is stored.
B) You want to restore to an existing System Change Number (SCN).
C) Data Guard must be disabled, or you must first remove the Data Guard association by terminating the standby database before you can restore the database.
D) Restore the database from an unmanaged backup in Object Storage created directly by using RMAN.
E) Restore the database from a backup in Object Storage that was created by using the Console or the API.

5. 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) 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.
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) 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.

Solutions:

Question # 1 Answer: D

Question # 2 Answer: C,D

Question # 3 Answer: B,D

Question # 4 Answer: A,D

Question # 5 Answer: A,C