What is the purpose of a rollback plan in a data migration project?

To select the appropriate migration strategy for each workload

To document the target architecture for future reference

To speed up the migration by skipping validation steps

To revert to the source system if the migration fails validation

What is the primary use case for Transfer Appliance?

Scheduled batch loads into BigQuery

Offline transfer of large datasets that are impractical to move over the network

Database schema migration with minimal downtime

Continuous real-time replication of database changes

What type of data movement does Datastream provide?

Continuous replication for real-time or near-real-time sync

Scheduled batch loads on a daily basis

One-time offline transfer of large files

Database schema migration with cutover

What is the purpose of gap analysis in a data migration project?

To document the current data flows and dependencies

To select the Google Cloud services for the target architecture

To measure the performance of the migrated system after go-live

To identify differences between the current and desired states that must be addressed

Google CloudProfessional Data Engineer

Domain 1Objective 4

1.4 Designing Data Migrations PROFESSIONAL-DATA-ENGINEER Practice Questions (Page 3)

Part of the Designing data processing systems domain, which accounts for ~22% of the PROFESSIONAL-DATA-ENGINEER exam. Google Cloud does not publish an official question count, but from its 120-minute exam (~50–80 total, ~11–18 in this domain), expect 3–5 from this objective — we provide 38 practice questions to prepare you well beyond it. (estimate)

38questions here

8free pages

12concepts

~22%of the exam

Questions 11–15

11foundation · easy
A data engineer is documenting all source systems, data flows, and inter-system dependencies before planning a migration. Which activity is being performed?
Select an answer first
12foundation · easy
What is the purpose of a rollback plan in a data migration project?
Select an answer first
13foundation · easy
What is the primary use case for Transfer Appliance?
Select an answer first
14foundation · easy
What type of data movement does Datastream provide?
Select an answer first
15foundation · easy
What is the purpose of gap analysis in a data migration project?
Select an answer first

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