This AZ-204 practice question tests your understanding of connect to and consume azure services and third-party services. 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. A key principle to apply: aPI Management policies are executed in the gateway layer.. 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 developer exposes several backend APIs through Azure API Management. Clients must be throttled by subscription to protect the backend. What should be configured? The architecture review board prefers a managed AWS-native control.
Blob soft delete
Why wrong: Blob soft delete has no effect on API traffic.
Application Insights sampling
Why wrong: Sampling reduces telemetry volume, not API traffic.
Private DNS zone only
Why wrong: Private DNS resolves names but does not throttle clients.
API Management rate-limit or quota policy
APIM policies can enforce rate limits and quotas per subscription or caller.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
API Management rate-limit or quota policy
Option D is correct because Azure API Management provides built-in rate-limit and quota policies that allow you to throttle client requests based on the subscription key. This directly protects backend services from excessive traffic by enforcing per-subscription call rates and quotas, which aligns with the requirement to throttle clients by subscription.
Key principle: API Management policies are executed in the gateway layer.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Blob soft delete
Why it's wrong here
Blob soft delete has no effect on API traffic.
Application Insights sampling
Why it's wrong here
Sampling reduces telemetry volume, not API traffic.
Private DNS zone only
Why it's wrong here
Private DNS resolves names but does not throttle clients.
API Management rate-limit or quota policy
Why this is correct
APIM policies can enforce rate limits and quotas per subscription or caller.
Related concept
API Management policies are executed in the gateway layer.
Common exam traps
The trap here is that candidates may confuse Application Insights sampling (a telemetry feature) with API throttling, or think Blob soft delete or DNS zones could somehow limit API calls, when only API Management policies directly enforce subscription-based rate limits.
Detailed technical explanation
The rate-limit policy in Azure API Management uses a sliding window counter per subscription key, allowing you to specify a number of calls per time interval (e.g., 10 calls per 60 seconds). The quota policy sets a hard limit on total calls over a longer period (e.g., 10,000 calls per month), resetting at the start of each period. Both policies are evaluated at the API Management gateway before the request reaches the backend, ensuring backend protection even under high load.
Key takeaway
API Management policies are executed in the gateway layer.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
Review aPI Management policies are executed in the gateway layer., then practise related AZ-204 questions on the same topic to reinforce the concept.
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FAQ
Connect to and consume Azure services and third-party services — This question tests Connect to and consume Azure services and third-party services — API Management policies are executed in the gateway layer..
The correct answer is: API Management rate-limit or quota policy — Option D is correct because Azure API Management provides built-in rate-limit and quota policies that allow you to throttle client requests based on the subscription key. This directly protects backend services from excessive traffic by enforcing per-subscription call rates and quotas, which aligns with the requirement to throttle clients by subscription.
Review aPI Management policies are executed in the gateway layer., then practise related AZ-204 questions on the same topic to reinforce the concept.
API Management policies are executed in the gateway layer.
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Last reviewed: Jun 11, 2026
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