DataSys+

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Q_01 domain/d1 · medium single discuss →

An administrator wants to reduce query response times and free up resources on a production database without changing the underlying schema. Which maintenance-process activity most directly addresses this goal?

A Optimizing queries and tuning performance
B Applying encryption at rest
C Creating a disaster recovery plan
D Implementing biometric access controls

Q_02 domain/d1 · medium single discuss →

A newly hired candidate wants to know what foundational database skills the DataSys+ certification validates. According to the published skills, which task combination best reflects the core data-handling competency?

A Developing, modifying, and running SQL code to gather, store, and manage data across operating systems
B Configuring firewalls and port security for network devices
C Designing physical building access with fire suppression
D Negotiating vendor licensing agreements