DA0-002 Data Concepts and Environments Practice Question
A data analyst is extracting data from a web page using web scraping techniques. The data will be used for market research. Which TWO of the following are common challenges associated with web scraping?
⚠ Common exam trap
CompTIA Data+ often tests the distinction between API-related challenges (rate limits, authentication) and web-scraping-specific challenges (structure changes, legal/ethical issues), so candidates mistakenly select 'Limited API rate limits' because they confuse web scraping with API consumption.
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
✓
Legal and ethical restrictions
Web scraping often involves accessing data that may be protected by copyright, terms of service, or privacy regulations such as GDPR or the Computer Fraud and Abuse Act (CFAA). Even if data is publicly accessible, repurposing it for market research without permission can lead to legal liability or ethical violations, making this a fundamental challenge.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Limited API rate limits
Why it's wrong here
Rate limits apply to APIs, not web scraping.
- ✓
Legal and ethical restrictions
Why this is correct
Many websites prohibit scraping in their terms of service, and legal issues may arise.
- ✓
Website structure changes
Why this is correct
Websites frequently update their layout, breaking scrapers that rely on specific HTML elements.
- ✗
High latency of data transfer
Why it's wrong here
Latency is not a typical challenge specific to web scraping.
- ✗
Inconsistent data formatting
Why it's wrong here
While possible, formatting issues are often handled by data cleaning; not a primary challenge.
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