- A
Histogram
Why wrong: Shows distribution, not cause identification or prioritization.
- B
Pareto chart
Prioritizes problems to focus on the vital few.
- C
Cause-and-effect diagram
Helps identify root causes of problems.
- D
Control chart
Why wrong: Control chart monitors process stability, not identify causes.
- E
Scatter diagram
Why wrong: Shows relationship between two variables, not prioritization.
Question 109 of 1,000
PK0-005 Tools and Documentation Practice Question
This PK0-005 practice question tests your understanding of tools and documentation. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 project manager is analyzing quality issues and wants to use tools that help identify and prioritize problems. Which TWO tools are appropriate for this purpose? (Select TWO.)
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
✓
Pareto chart
A Pareto chart is a bar graph that displays the frequency of defects in descending order, combined with a cumulative percentage line. It helps identify the most significant quality issues by applying the 80/20 rule, allowing the project manager to prioritize problems that will yield the greatest improvement when addressed.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Histogram
Why it's wrong here
Shows distribution, not cause identification or prioritization.
- ✓
Pareto chart
Why this is correct
Prioritizes problems to focus on the vital few.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Cause-and-effect diagram
Why this is correct
Helps identify root causes of problems.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Control chart
Why it's wrong here
Control chart monitors process stability, not identify causes.
- ✗
Scatter diagram
Why it's wrong here
Shows relationship between two variables, not prioritization.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the distinction between tools that identify causes (cause-and-effect diagram) versus tools that prioritize problems (Pareto chart), and candidates may mistakenly select a histogram or control chart because they are also common quality tools but serve different purposes.
Trap categories for this question
Command / output trap
Shows distribution, not cause identification or prioritization.
Detailed technical explanation
How to think about this question
The Pareto chart is based on the Pareto principle, which states that roughly 80% of effects come from 20% of causes. In quality management, the chart is constructed by counting defect categories, sorting them from highest to lowest frequency, and plotting a cumulative percentage line to visually identify the 'vital few' categories that account for the majority of issues. This tool is often used alongside a cause-and-effect diagram to first identify potential causes and then prioritize them with the Pareto chart.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the PK0-005 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this PK0-005 question test?
Tools and Documentation — This question tests Tools and Documentation — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Pareto chart — A Pareto chart is a bar graph that displays the frequency of defects in descending order, combined with a cumulative percentage line. It helps identify the most significant quality issues by applying the 80/20 rule, allowing the project manager to prioritize problems that will yield the greatest improvement when addressed.
What should I do if I get this PK0-005 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This PK0-005 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 PK0-005 exam.
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