IBM Cloud Pak for Data V3.x Data Engineer Practice Exam: Test Your Knowledge 2025

What is the primary purpose of the IBM Cloud Pak for Data control plane?

A data engineer needs to create a reusable data transformation flow that can be scheduled and monitored. Which Cloud Pak for Data service is most appropriate for this requirement?

Which component of Watson Knowledge Catalog is responsible for automatically discovering and classifying sensitive data across data sources?

What is the primary benefit of using Data Virtualization instead of traditional ETL for certain use cases?

A data engineer notices that a DataStage job is running slower than expected. Which monitoring tool within Cloud Pak for Data should be used first to identify resource consumption patterns?

An organization wants to implement a medallion architecture (bronze, silver, gold layers) for their data lake. Which Cloud Pak for Data services would best support building the transformation pipeline from bronze to gold layers?

A data engineer needs to ensure that personally identifiable information (PII) is masked for users in the Marketing department but visible to users in the Compliance department. Which Watson Knowledge Catalog feature should be configured?

When designing a DataStage job that processes millions of records, which processing mode should be used for optimal performance?

A company has data sources on-premises and in multiple cloud providers. Which Cloud Pak for Data architecture component enables secure connectivity to these disparate data sources?

What is the purpose of creating a virtualized view in Data Virtualization instead of a materialized view?

A DataStage job fails with an out-of-memory error. Which configuration change would most likely resolve this issue?

An organization wants to track data lineage from source systems through transformations to final consumption in reports. Which Cloud Pak for Data capability provides this functionality?

When creating a DataStage job to read from a REST API endpoint, what is the recommended approach for handling authentication tokens that expire?

A data engineer needs to join data from an on-premises Oracle database with data from a cloud-based PostgreSQL database without moving data. Which approach should be used?

What is the relationship between Projects and Catalogs in Cloud Pak for Data?

A data quality assessment reveals that 15% of customer records have missing email addresses, which are required for a downstream marketing campaign. What is the most appropriate data quality dimension that has been violated and requires remediation?

A complex DataStage job with multiple stages needs to process data incrementally based on a timestamp column. Which stage type is most appropriate for implementing change data capture (CDC) logic?

An organization needs to deploy Cloud Pak for Data services across multiple namespaces in their OpenShift cluster with strict resource quotas for each department. What architectural consideration is most important for this multi-tenant deployment?

A data engineer needs to optimize a Data Virtualization query that joins five tables from different data sources and is performing poorly. Which optimization technique should be applied first?

A financial services company must ensure that all data transformations are auditable and that any changes to data pipelines are tracked with approval workflows. Which combination of Cloud Pak for Data capabilities best addresses these compliance requirements?