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 poisoning

Topic in 2 exam domains

A cyberattack where attackers inject malicious data into training datasets to manipulate model behavior or degrade performance.

Where this appears on the exam

2 objectives in 2 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.2Designing for reliability and fidelity
  - Data validation
Domain 2
Ingesting and processing the data
~25% of exam
1. 2.2Building the pipelines
  - Data cleansing

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 poisoning

Topic in 2 exam domains

A cyberattack where attackers inject malicious data into training datasets to manipulate model behavior or degrade performance.

Where this appears on the exam

2 objectives in 2 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.2Designing for reliability and fidelity
  - Data validation
Domain 2
Ingesting and processing the data
~25% of exam
1. 2.2Building the pipelines
  - Data cleansing

How learners score on this topic

Last updated October 15, 2026