DA0-002 Data Acquisition and Preparation Practice Question
A marketing team wants to collect data on competitor pricing for similar products. Which data source is most appropriate?
⚠ Common exam trap
Test-takers frequently confuse internal data sources (ERP, sales) with external data needs, or mistakenly think customer surveys can provide accurate, unbiased competitor pricing data.
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
✓
External public web scraping
External public web scraping is the most appropriate data source because competitor pricing is publicly available on websites, and web scraping allows automated extraction of this structured or unstructured data. This approach directly addresses the need for external competitive intelligence without relying on internal or customer-reported data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Customer surveys
Why it's wrong here
Customer surveys gather opinions and self-reported behaviour from your own customers, so they cannot yield competitor pricing data. They are tempting because surveys are a valid primary collection method for capturing attitudes, satisfaction or purchase intent directly from a target population — the right choice when the required data concerns your customers' perceptions rather than external market facts.
- ✗
Internal ERP system
Why it's wrong here
An internal ERP system holds the organisation's own transactional records, so it contains no competitor pricing data at all. It is tempting because ERP systems aggregate authoritative pricing for a company's own products, making them the right source when a question asks about internal sales, margin or inventory figures rather than external market intelligence.
- ✓
External public web scraping
Why this is correct
External public web scraping directly satisfies the competitor-pricing constraint, since competitor prices sit outside the organisation's own systems and cannot be obtained from internal transactional databases or CRM records. Scraping public pages supplies the required market data without purchasing third-party reports, making it the most appropriate source for this competitive-intelligence scenario.
- ✗
Internal sales data
Why it's wrong here
Internal sales data records your own transactions, so it cannot reveal competitor pricing. It is tempting because it is readily available and useful for benchmarking your own performance, margin analysis or demand forecasting. Competitor pricing requires external sources such as public price lists, web scraping or third-party market feeds.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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