200-901 Software Development and Design Practice Question
When using the requests library in Python to send a POST request, which parameter should be used to send a JSON payload in the request body?
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
✓
json=payload
The json= parameter automatically serializes the Python dictionary to JSON and sets the Content-Type header to application/json.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
params=payload
Why it's wrong here
params= is for query parameters in the URL, not the request body.
- ✗
files=payload
Why it's wrong here
files= is for multipart file uploads.
- ✓
json=payload
Why this is correct
The json= parameter handles serialization and header automatically.
- ✗
data=json.dumps(payload)
Why it's wrong here
data= sends raw data and requires manual JSON serialization and header setting.
Go deeper
Related to this question
About these practice questions
Courseiva writes every 200-901 question from scratch — 989 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco 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 200-901 exam.