- A
Retry policy on the step
Retry policy allows specifying retry conditions and limits for a step.
- B
Subworkflows
Why wrong: Subworkflows are for modularity, not for retry logic.
- C
Parallel steps
Why wrong: Parallel steps run steps concurrently, not for retries.
- D
Conditional steps
Why wrong: Conditional steps handle branching logic, not retries.
Question 40 of 1,000
PDE Ingesting and Processing the Data Practice Question
This PDE practice question tests your understanding of ingesting and processing the data. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company uses Workflows to orchestrate a series of Google Cloud services for data processing. They need to call an external HTTP API as part of the workflow and handle potential failures with retries. Which Workflows feature should they use?
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
✓
Retry policy on the step
Option A is correct because Workflows provides a built-in retry policy that can be configured on individual steps to automatically retry an HTTP call upon transient failures (e.g., 5xx server errors or network timeouts). This allows the workflow to handle external API failures without custom code, using exponential backoff and a maximum retry count.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Retry policy on the step
Why this is correct
Retry policy allows specifying retry conditions and limits for a step.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Subworkflows
Why it's wrong here
Subworkflows are for modularity, not for retry logic.
- ✗
Parallel steps
Why it's wrong here
Parallel steps run steps concurrently, not for retries.
- ✗
Conditional steps
Why it's wrong here
Conditional steps handle branching logic, not retries.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud Workflows often tests the distinction between workflow orchestration features (retry, subworkflows, parallel, conditional) and candidates mistakenly choose parallel steps or subworkflows thinking they inherently provide fault tolerance, but only a retry policy directly addresses automatic retries on failure.
Detailed technical explanation
How to think about this question
Under the hood, Workflows retry policies use an exponential backoff algorithm with jitter, configurable via the `max_retries` and `backoff` fields (e.g., `backoff: { initial_duration: 1s, max_duration: 60s, multiplier: 2 }`). The retry is triggered by specific HTTP status codes (e.g., 429, 500-599) or gRPC error codes, and the step is re-executed from scratch, including any preceding `call` to the external API. In real-world scenarios, this is critical for integrating with unreliable third-party APIs where transient failures are common, as it avoids manual retry logic and ensures idempotency by design.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this PDE question test?
Ingesting and Processing the Data — This question tests Ingesting and Processing the Data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Retry policy on the step — Option A is correct because Workflows provides a built-in retry policy that can be configured on individual steps to automatically retry an HTTP call upon transient failures (e.g., 5xx server errors or network timeouts). This allows the workflow to handle external API failures without custom code, using exponential backoff and a maximum retry count.
What should I do if I get this PDE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This PDE 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 PDE exam.
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