The answer is to perform root cause analysis because the schedule slip stems from unidentified site-specific electrical requirements, a fundamental gap in requirements gathering rather than a simple execution delay. Root cause analysis for schedule slip focuses on uncovering why these power specifications—such as voltage, amperage, or UPS compatibility—were missed, enabling the project manager to prevent recurrence instead of masking the issue with schedule compression. On the CompTIA Project+ PK0-005 exam, this scenario tests your ability to distinguish between addressing symptoms and solving underlying problems; a common trap is choosing schedule compression, which would accelerate work without fixing the flawed requirements process. Remember the mnemonic “RCA before CPA”—always perform root cause analysis before considering compression techniques, as the exam rewards proactive problem-solving over reactive shortcuts.
PK0-005 Practice Question: Basics of IT Infrastructure and IT Project Management
This PK0-005 practice question tests your understanding of basics of it infrastructure and it project management. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 involves installing new firewalls across multiple sites. The project manager notices the schedule is slipping due to site-specific electrical requirements that were not initially identified. What is the best course of action?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Perform root cause analysis
The correct answer is C because the schedule is slipping due to unidentified site-specific electrical requirements, which is a root cause of the delay. Performing a root cause analysis (RCA) allows the project manager to understand why these requirements were missed and to prevent recurrence, rather than simply applying a schedule compression technique that does not address the underlying issue. In IT infrastructure projects, electrical requirements are often tied to power specifications for firewalls (e.g., voltage, amperage, or UPS compatibility), and failing to identify them early indicates a gap in requirements gathering.
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.
✗
Crash the schedule by adding resources
Why it's wrong here
Crashing adds cost and may not address the electrical requirement issue.
✗
Submit a change request to extend schedule
Why it's wrong here
A change request addresses the symptom but not the root cause.
✓
Perform root cause analysis
Why this is correct
Root cause analysis identifies why the electrical requirements were overlooked, allowing corrective action for future tasks.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Fast track the remaining tasks
Why it's wrong here
Fast tracking increases risk and does not resolve the root cause of the delay.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse schedule compression techniques (crashing or fast-tracking) with problem-solving, but the PMBOK and PK0-005 emphasize that root cause analysis should precede corrective action when the delay stems from an unidentified requirement rather than a resource or sequencing issue.
Detailed technical explanation
How to think about this question
In IT project management, root cause analysis often uses techniques like the 5 Whys or fishbone diagrams to trace a delay back to its origin—here, the failure to identify site-specific electrical requirements during the planning phase. For firewall installations, these requirements might include specific power redundancy (e.g., dual power supplies), grounding specifications, or compliance with local electrical codes (e.g., NEC or IEC standards). A real-world scenario: if a site requires 208V power but only 120V was planned, the firewall cannot be powered on, and simply adding more electricians (crashing) won't fix the voltage mismatch without a formal change to the electrical design.
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 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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Basics of IT Infrastructure and IT Project Management — This question tests Basics of IT Infrastructure and IT Project Management — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Perform root cause analysis — The correct answer is C because the schedule is slipping due to unidentified site-specific electrical requirements, which is a root cause of the delay. Performing a root cause analysis (RCA) allows the project manager to understand why these requirements were missed and to prevent recurrence, rather than simply applying a schedule compression technique that does not address the underlying issue. In IT infrastructure projects, electrical requirements are often tied to power specifications for firewalls (e.g., voltage, amperage, or UPS compatibility), and failing to identify them early indicates a gap in requirements gathering.
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.
Are there clue words in this question I should notice?
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.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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