This PK0-005 practice question tests your understanding of tools and documentation. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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 using a Gantt chart to track progress. Which tool would BEST complement the Gantt chart to show task dependencies and the critical path?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Network diagram
A network diagram clearly shows dependencies and critical path.
Change log
Why wrong: Change log tracks changes, not dependencies.
Work breakdown structure
Why wrong: A WBS breaks down work but does not show dependencies.
Risk register
Why wrong: Risk register unrelated to dependencies.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Network diagram
A network diagram (e.g., activity-on-node or PERT chart) is the best complement to a Gantt chart because it explicitly maps task dependencies (finish-to-start, start-to-start, etc.) and calculates the critical path using forward and backward pass methods. While a Gantt chart shows progress over time, it does not inherently display the logical relationships between tasks or the float/slack values needed to identify the critical path.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Network diagram
Why this is correct
A network diagram clearly shows dependencies and critical path.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Change log
Why it's wrong here
Change log tracks changes, not dependencies.
Work breakdown structure
Why it's wrong here
A WBS breaks down work but does not show dependencies.
Risk register
Why it's wrong here
Risk register unrelated to dependencies.
Common exam traps
The trap here is that candidates confuse the Work Breakdown Structure (WBS) with a schedule tool, mistakenly thinking it shows task order, when in fact the WBS is a deliverable-oriented decomposition and does not represent dependencies or the critical path.
Trap categories for this question
Command / output trap
A WBS breaks down work but does not show dependencies.
Detailed technical explanation
In project scheduling, the network diagram uses nodes to represent activities and arrows to represent dependencies, enabling forward pass (earliest start/finish) and backward pass (latest start/finish) calculations to determine total float. The critical path is the sequence of activities with zero total float, meaning any delay on that path directly delays the project end date. A Gantt chart, when linked to a network diagram, can visually highlight critical tasks, but the network diagram is the foundational tool for dependency and critical path analysis.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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
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FAQ
Tools and Documentation — This question tests Tools and Documentation — Read the scenario before looking for a memorised answer..
The correct answer is: Network diagram — A network diagram (e.g., activity-on-node or PERT chart) is the best complement to a Gantt chart because it explicitly maps task dependencies (finish-to-start, start-to-start, etc.) and calculates the critical path using forward and backward pass methods. While a Gantt chart shows progress over time, it does not inherently display the logical relationships between tasks or the float/slack values needed to identify the critical path.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 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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