UiPath-ADPv1 Generic Automation Development Practice Question
Exhibit
Error: 'An unexpected error occurred: The remote server returned an error: (404) Not Found.'
Refer to the exhibit. An API automation receives this error. Which troubleshooting step should be prioritized?
⚠ Common exam trap
Candidates often assume the error is related to authentication or server-side permissions. They waste time checking API keys or credentials instead of validating the request URL path and dynamic parameters first.
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
✓
Validate the endpoint URL and the parameters being passed in the HTTP request.
A 404 error indicates the resource cannot be located. This usually implies that the URL, endpoint, or a dynamic parameter being passed to the API is incorrect. Prioritizing the verification of the base URL and the construction of the request parameters is essential. This is common in API automation where dynamic data might lead to malformed requests that the server is unable to resolve or locate correctly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Check if the API service is currently undergoing maintenance.
Why it's wrong here
Maintenance or server-side outages typically return a 503 (Service Unavailable) or 500 (Internal Server Error) status code. A 404 error is specifically about the resource address not being found, pointing to an issue with the request path or the way the client is constructing the API call.
- ✓
Validate the endpoint URL and the parameters being passed in the HTTP request.
Why this is correct
The 404 status code confirms that the server is reachable, but the specific resource requested is not found. This points directly to an incorrect URL path or missing/incorrect dynamic parameters. Developers must ensure that the URI is formatted according to the API documentation and that parameters are passed correctly.
- ✗
Reset the robot's session and clear the temporary files in the local machine.
Why it's wrong here
Clearing local temporary files or resetting sessions does not resolve server-side '404 Not Found' errors. These types of errors are independent of the client machine's cache or session state, as they represent a failure to locate a specific endpoint or resource on the server that the request is targeting.
- ✗
Increase the timeout property in the HTTP Request activity to allow more time.
Why it's wrong here
Increasing the timeout is useful for slow network connections or heavy server loads, not for resolving 404 errors. If the server responds with a 404, it has already processed the request and determined the resource is missing; adding more time will not change the server's ability to find the resource.
Visual reference
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official UiPath exam blueprint
This UiPath-ADPv1 practice question is part of Courseiva's free UiPath 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 UiPath-ADPv1 exam.