This DA0-001 practice question tests your understanding of mining and acquiring data. Compare every option against the stated constraints before choosing — the best answer satisfies all requirements, not just the most obvious one. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A retail company wants to analyze customer purchase patterns to identify products frequently bought together. Which data mining technique is most appropriate?
Classification
Why wrong: Classification predicts discrete class labels.
Clustering
Why wrong: Clustering groups similar entities, not relationships between items.
Regression
Why wrong: Regression predicts a continuous target, not associations.
Association rules
Association rules identify frequent itemsets and co-occurrence patterns.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Association rules
Association rules (market basket analysis) discover co-occurrence relationships. Regression predicts numeric values, clustering groups similar items, classification assigns categories.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Classification
Why it's wrong here
Classification predicts discrete class labels.
Clustering
Why it's wrong here
Clustering groups similar entities, not relationships between items.
Regression
Why it's wrong here
Regression predicts a continuous target, not associations.
Association rules
Why this is correct
Association rules identify frequent itemsets and co-occurrence patterns.
Related concept
Static NAT maps one inside address to one outside address.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Trap categories for this question
Similar concept trap
Clustering groups similar entities, not relationships between items.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DA0-001 NAT questions on configuration and troubleshooting.
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FAQ
Mining and Acquiring Data — This question tests Mining and Acquiring Data — Static NAT maps one inside address to one outside address..
The correct answer is: Association rules — Association rules (market basket analysis) discover co-occurrence relationships. Regression predicts numeric values, clustering groups similar items, classification assigns categories.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related DA0-001 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 24, 2026
This DA0-001 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 DA0-001 exam.
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