UiPath-ADAv1 API-Based Automation Practice Question
When sending a large JSON payload using the HTTP Request activity, which property must be correctly set to ensure the server processes the data as the intended format?
⚠ Common exam trap
Candidates often forget the 'Content-Type' header, assuming the server will automatically detect the payload format, which leads to 415 Unsupported Media Type errors during execution.
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 'Content-Type' header.
Setting the 'Content-Type' header is critical in API automation. It informs the server how to interpret the request body (e.g., as application/json, application/xml, or text/plain). If this header is missing or incorrect, the server may reject the request or fail to parse the body correctly, even if the payload data itself is perfectly formed according to the JSON specification.
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 'Timeout' property.
Why it's wrong here
The Timeout property manages how long the robot waits for a response before terminating the connection. It has no impact on how the server interprets the data format of the request body. Modifying this value will not resolve issues related to incorrect content interpretation or server-side parsing failures.
- ✗
The 'Accept' header.
Why it's wrong here
The Accept header is used by the client to tell the server which response formats it can handle. While important for managing the response, it does not define the format of the data being sent in the request body. It has no bearing on the server's interpretation of the request payload.
- ✓
The 'Content-Type' header.
Why this is correct
The Content-Type header is the specific instruction that tells the server the request body format is 'application/json'. Without this header, servers often default to plain text or reject the request entirely. Proper configuration ensures the server-side logic correctly deserializes the incoming byte stream into the expected object structure.
- ✗
The 'Authentication' property.
Why it's wrong here
Authentication properties are strictly for verifying the identity of the client. They are completely unrelated to the data format of the body content. Changing these settings only affects the security handshake process and does not help the server understand the structure or type of the data being transmitted.
About these practice questions
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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-ADAv1 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-ADAv1 exam.