Database Administrator is correct because that job title specifically names the person who operates database systems grants user access maintains backup copies of data and recovers data after failures.

A Database Administrator installs and configures database software and manages day to day operations. A Database Administrator is responsible for access control and permissions and for implementing backup and recovery procedures and for restoring data after hardware or software failures.

Data Engineer is incorrect because data engineers build and maintain data pipelines and transformation processes and they do not typically own the operational tasks of backups access control and disaster recovery.

Cloud SQL is incorrect because that name refers to a managed database service offered by Google Cloud and it is not a job title on Microsoft Azure.

Data Analyst is incorrect because data analysts focus on querying analyzing and visualizing data and they do not generally perform the operational duties of running and recovering database systems.

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