- A
Set --min-instances to 2 and --cpu-throttling to false.
min-instances keeps at least 2 instances warm. Setting cpu-throttling to false ensures CPU is always available, but that's optional. The key is min-instances.
- B
Set --ingress to all and --vpc-connector to a Serverless VPC Access connector.
Why wrong: Networking settings do not prevent cold starts.
- C
Set --max-instances to 100 and --concurrency to 80.
Why wrong: max-instances limits scaling, concurrency controls how many requests per instance; neither prevents cold starts.
- D
Set --memory to 2Gi and --cpu to 2.
Why wrong: Resources alone do not prevent cold starts.
Question 167 of 1,000
PCDE Practice Question: Building and Implementing CI/CD Pipelines for a Service
This PCDE practice question tests your understanding of building and implementing ci/cd pipelines for a service. 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 is deploying a microservice to Cloud Run. They need to ensure that the service can handle sudden traffic spikes without cold starts. The service has a memory requirement of 2 GB and CPU usage is bursty. What should they configure?
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
✓
Set --min-instances to 2 and --cpu-throttling to false.
Option A is correct because setting --min-instances to 2 ensures that at least two container instances are always warm, eliminating cold starts during traffic spikes. Setting --cpu-throttling to false disables CPU throttling, allowing the service to use burst CPU capacity immediately without waiting for allocation, which is ideal for bursty CPU workloads.
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.
- ✓
Set --min-instances to 2 and --cpu-throttling to false.
Why this is correct
min-instances keeps at least 2 instances warm. Setting cpu-throttling to false ensures CPU is always available, but that's optional. The key is min-instances.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Set --ingress to all and --vpc-connector to a Serverless VPC Access connector.
Why it's wrong here
Networking settings do not prevent cold starts.
- ✗
Set --max-instances to 100 and --concurrency to 80.
Why it's wrong here
max-instances limits scaling, concurrency controls how many requests per instance; neither prevents cold starts.
- ✗
Set --memory to 2Gi and --cpu to 2.
Why it's wrong here
Resources alone do not prevent cold starts.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between resource allocation (memory/CPU) and operational settings (min-instances, CPU throttling) that directly impact cold starts and burst handling, leading candidates to mistakenly choose resource sizing options.
Detailed technical explanation
How to think about this question
Under the hood, Cloud Run uses Knative serving; --min-instances keeps the specified number of revisions always active, preventing the 'cold start' delay of provisioning a new instance. Disabling CPU throttling (--cpu-throttling=false) allows the container to use up to the allocated CPU continuously, which is critical for bursty workloads that require immediate CPU bursts without waiting for the idle CPU credit mechanism to replenish.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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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Building and Implementing CI/CD Pipelines for a Service — study guide chapter
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FAQ
Questions learners often ask
What does this PCDE question test?
Building and Implementing CI/CD Pipelines for a Service — This question tests Building and Implementing CI/CD Pipelines for a Service — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Set --min-instances to 2 and --cpu-throttling to false. — Option A is correct because setting --min-instances to 2 ensures that at least two container instances are always warm, eliminating cold starts during traffic spikes. Setting --cpu-throttling to false disables CPU throttling, allowing the service to use burst CPU capacity immediately without waiting for allocation, which is ideal for bursty CPU workloads.
What should I do if I get this PCDE 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.
About these practice questions
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Last reviewed: Jul 4, 2026
This PCDE 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 PCDE exam.
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