Professional Data Engineer

Build and operate the data processing systems behind analytics and ML on Google Cloud, including BigQuery, Dataflow, and Pub/Sub, and track your readiness for the Professional Data Engineer exam.

Advanced

Prepare and test your skills

Advanced

Prepare and test your skills

Concept

data encryption key

Topic in 2 exam domains

Also called: DEK

A unique encryption key used by Secret Manager to encrypt secret data before writing to persistent storage.

Where this appears on the exam

2 objectives in 2 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.1Designing for security and compliance
  - Data security (encryption and key management)
Domain 2
Ingesting and processing the data
~25% of exam
1. 2.1Planning the data pipelines
  - Data encryption

How learners score on this topic

Last updated October 15, 2026

Professional Data Engineer

Build and operate the data processing systems behind analytics and ML on Google Cloud, including BigQuery, Dataflow, and Pub/Sub, and track your readiness for the Professional Data Engineer exam.

Advanced

Prepare and test your skills

Advanced

Prepare and test your skills

Concept

data encryption key

Topic in 2 exam domains

Also called: DEK

A unique encryption key used by Secret Manager to encrypt secret data before writing to persistent storage.

Where this appears on the exam

2 objectives in 2 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.1Designing for security and compliance
  - Data security (encryption and key management)
Domain 2
Ingesting and processing the data
~25% of exam
1. 2.1Planning the data pipelines
  - Data encryption

How learners score on this topic

Last updated October 15, 2026

Where this appears on the exam

Related topics

Secured by

Secures

How learners score on this topic

Where this appears on the exam

Related topics

Secured by

Secures

How learners score on this topic