DA0-002 Data Acquisition and Preparation Practice Question
A research firm is acquiring data from public government databases via API. The API rate limits at 100 requests per minute. They need to download 10,000 records, but each request returns a maximum of 100 records. What is the most efficient approach to ensure complete acquisition without being blocked?
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
✓
Use a retry logic with exponential backoff and pagination
Pagination with retry logic using exponential backoff allows the firm to send requests in a controlled manner, respecting the rate limit and handling potential failures. Sending all requests in parallel would likely exceed the rate limit and cause blocking. Downloading one record per second is too slow. Requesting a data dump via email is inefficient and may not be supported.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Use a retry logic with exponential backoff and pagination
Why this is correct
This approach respects the rate limit, handles failures gracefully, and ensures complete data acquisition.
- ✗
Request a data dump from the government via email
Why it's wrong here
This is not a standard option and may not be available, nor efficient.
- ✗
Download one record per second
Why it's wrong here
This would take over 100 seconds for 100 records, far too slow for 10,000 records.
- ✗
Send all requests simultaneously in parallel
Why it's wrong here
Parallel requests would exceed the rate limit and likely result in being blocked.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DA0-002 practice question is part of Courseiva's free CompTIA 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 DA0-002 exam.