Question 31 of 505

Understanding and Using APIs →easyMultiple ChoiceObjective-mapped

200-901 Understanding and Using APIs Practice Question

This 200-901 practice question tests your understanding of understanding and using apis. 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.

You are a junior network developer tasked with automating device inventory retrieval using the Cisco Meraki Dashboard API. You have already generated an API key with the appropriate scopes and have tested it successfully with simple GET requests. However, when you attempt to retrieve the list of all devices in your organization via the 'GET /organizations/{organizationId}/devices' endpoint, you receive a 403 Forbidden error. You verify that the API key is correctly included in the request header as 'X-Cisco-Meraki-API-Key'. You also confirm that the organization ID is correct. You are able to reach the Meraki Dashboard API server from your environment, as other endpoints (e.g., 'GET /organizations') work fine. What is the most likely cause of the 403 error, and what should you do to resolve it?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1easymultiple choice

Full question →

A
The network firewall is blocking the request; check firewall logs and allow outbound traffic to the Meraki API.
Why wrong: Incorrect. Other endpoints work, so network connectivity is not the issue.
B
The API key lacks the required permissions; regenerate the API key with full read access for devices.
Correct. The 403 indicates insufficient permissions for the specific endpoint, despite the key being valid for other endpoints.
C
The request should use POST instead of GET; change the HTTP method to POST to retrieve device data.
Why wrong: Incorrect. The endpoint is defined as GET; using POST would likely return a 405 Method Not Allowed.
D
The API endpoint URL is incorrect; verify the exact path and version in the API documentation.
Why wrong: Incorrect. A wrong endpoint would typically return a 404, not 403. Also, the path is confirmed correct.

Full breakdown with real-world context →

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

✓

The API key lacks the required permissions; regenerate the API key with full read access for devices.

A 403 Forbidden error specifically indicates that the server understood the request but refuses to authorize it. Since other endpoints like 'GET /organizations' work, network connectivity and API key validity are confirmed. The most likely cause is that the API key lacks the required scope or permission to access the 'GET /organizations/{organizationId}/devices' endpoint. Regenerating the API key with full read access (including device inventory) resolves this, as Meraki API keys are scoped at creation time and cannot be modified after generation.

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.

✗
The network firewall is blocking the request; check firewall logs and allow outbound traffic to the Meraki API.
Why it's wrong here
Incorrect. Other endpoints work, so network connectivity is not the issue.
✓
The API key lacks the required permissions; regenerate the API key with full read access for devices.
Why this is correct
Correct. The 403 indicates insufficient permissions for the specific endpoint, despite the key being valid for other endpoints.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
The request should use POST instead of GET; change the HTTP method to POST to retrieve device data.
Why it's wrong here
Incorrect. The endpoint is defined as GET; using POST would likely return a 405 Method Not Allowed.
✗
The API endpoint URL is incorrect; verify the exact path and version in the API documentation.
Why it's wrong here
Incorrect. A wrong endpoint would typically return a 404, not 403. Also, the path is confirmed correct.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Cisco often tests the distinction between authentication (401) and authorization (403) errors, where a 403 means the key is valid but lacks permissions, tricking candidates into blaming network issues or incorrect endpoints.

Detailed technical explanation

How to think about this question

The Meraki Dashboard API uses API keys with granular scopes defined at creation (e.g., 'read-only' vs. 'full' access). The 'GET /organizations/{organizationId}/devices' endpoint requires the 'devices' scope, which may not be included if the key was generated with only 'organizations' scope. Under the hood, the API key is a bearer token validated against a permission matrix; a 403 occurs when the token is valid but lacks the specific resource-level authorization. In real-world scenarios, this often happens when a junior developer reuses an API key from a previous project that had limited scopes.

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 small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.

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 200-901 question test?

Understanding and Using APIs — This question tests Understanding and Using APIs — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The API key lacks the required permissions; regenerate the API key with full read access for devices. — A 403 Forbidden error specifically indicates that the server understood the request but refuses to authorize it. Since other endpoints like 'GET /organizations' work, network connectivity and API key validity are confirmed. The most likely cause is that the API key lacks the required scope or permission to access the 'GET /organizations/{organizationId}/devices' endpoint. Regenerating the API key with full read access (including device inventory) resolves this, as Meraki API keys are scoped at creation time and cannot be modified after generation.

What should I do if I get this 200-901 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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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