This 200-901 practice question tests your understanding of cisco platforms and development. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 Python script using the Cisco Meraki SDK fails with 'APIError: 429 Too Many Requests'. What action should the developer take?
Increase the timeout value
Why wrong: Timeout controls how long to wait for a response, not rate limiting.
Change the HTTP method to POST
Why wrong: HTTP method is unrelated to rate limiting.
Use a different API key
Why wrong: The key is valid; rate limiting applies regardless of key.
Add a retry mechanism with exponential backoff
Standard best practice to handle rate limiting.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Add a retry mechanism with exponential backoff
The HTTP 429 status code indicates rate limiting has been exceeded. The Meraki API enforces rate limits to protect its infrastructure, and the SDK's built-in retry mechanism with exponential backoff is the correct way to handle this, as it automatically waits increasing intervals between retries, respecting the Retry-After header if present.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Increase the timeout value
Why it's wrong here
Timeout controls how long to wait for a response, not rate limiting.
Change the HTTP method to POST
Why it's wrong here
HTTP method is unrelated to rate limiting.
Use a different API key
Why it's wrong here
The key is valid; rate limiting applies regardless of key.
Add a retry mechanism with exponential backoff
Why this is correct
Standard best practice to handle rate limiting.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Cisco often tests the distinction between handling rate limiting (429) versus handling request timeouts (408/504), so candidates mistakenly choose to increase the timeout value instead of implementing retry logic with backoff.
Detailed technical explanation
The Meraki API uses a token bucket algorithm for rate limiting, typically allowing 5 requests per second per API key. Exponential backoff, as recommended in RFC 7231, starts with a short delay (e.g., 1 second) and doubles after each retry, up to a maximum, preventing further rate limit violations. In real-world scenarios, ignoring this can lead to temporary IP bans or degraded service for all users of that API key.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the 200-901 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Cisco Platforms and Development — This question tests Cisco Platforms and Development — Read the scenario before looking for a memorised answer..
The correct answer is: Add a retry mechanism with exponential backoff — The HTTP 429 status code indicates rate limiting has been exceeded. The Meraki API enforces rate limits to protect its infrastructure, and the SDK's built-in retry mechanism with exponential backoff is the correct way to handle this, as it automatically waits increasing intervals between retries, respecting the Retry-After header if present.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
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