AZ-400 Configure processes and communications Practice Question
This AZ-400 practice question tests your understanding of configure processes and communications. 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.
Your team uses feature flags to manage feature releases. You need to ensure that a feature flag is automatically turned off for all users except the development team after a production incident. What is the best approach?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use a feature management system like Azure App Configuration with a targeting filter to enable only for the dev team.
Option B is correct because Azure App Configuration's feature management system provides a built-in targeting filter that allows you to dynamically enable a feature flag for specific users or groups (e.g., the development team) while disabling it for all others. This approach supports real-time, no-deployment changes, which is essential for quickly responding to a production incident without modifying code or redeploying.
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.
✗
Create a separate branch with the feature disabled and deploy it.
Why it's wrong here
Requires code change and redeployment, not efficient.
✓
Use a feature management system like Azure App Configuration with a targeting filter to enable only for the dev team.
Why this is correct
This allows dynamic control without redeployment.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Set an environment variable in the production environment to disable the feature.
Why it's wrong here
Requires restart or redeployment to take effect.
✗
Manually toggle the feature flag off in the app configuration.
Why it's wrong here
Not automated; prone to human error during incident.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose manual toggling (Option D) because it seems simplest, but they overlook the requirement to keep the feature enabled for the development team, which requires a targeting filter rather than a global off switch.
Detailed technical explanation
How to think about this question
Azure App Configuration's targeting filter evaluates the user context (e.g., user ID or group membership) against defined rules at runtime, allowing percentage-based or specific user/group rollouts. Under the hood, the feature flag is evaluated by the client SDK using the `FeatureManager` class, which checks filters in order; if a targeting filter matches, the flag is enabled for that user. In a real-world scenario, this enables a 'canary' deployment where the dev team can continue testing the feature while production users are shielded from a faulty release.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this AZ-400 question in full detail.
Configure processes and communications — This question tests Configure processes and communications — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use a feature management system like Azure App Configuration with a targeting filter to enable only for the dev team. — Option B is correct because Azure App Configuration's feature management system provides a built-in targeting filter that allows you to dynamically enable a feature flag for specific users or groups (e.g., the development team) while disabling it for all others. This approach supports real-time, no-deployment changes, which is essential for quickly responding to a production incident without modifying code or redeploying.
What should I do if I get this AZ-400 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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