GCP-ADP Data Preparation And Ingestion Practice Question
You are using Dataflow to read from Pub/Sub. The pipeline is failing due to malformed messages. How can you handle these without crashing?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a Dead Letter Queue (DLQ)
Using a Dead Letter Queue (DLQ) pattern allows you to route unprocessable messages to a separate destination for inspection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use a Dead Letter Queue (DLQ)
Why this is correct
DLQ allows you to isolate and examine malformed messages.
- ✗
Ignore errors
Why it's wrong here
Ignoring errors might cause data loss without analysis.
- ✗
Increase memory
Why it's wrong here
Memory doesn't fix logic errors.
- ✗
Restart the pipeline
Why it's wrong here
Restarting won't fix the source data issue.
About these practice questions
This GCP-ADP question is part of Courseiva's 205-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Google Cloud exam blueprint
This GCP-ADP practice question is part of Courseiva's free Google Cloud certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the GCP-ADP exam.