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PK0-005 Practice Question: A project manager is analyzing the project…
A project manager is analyzing the project schedule and notes that two activities, design and development, are currently scheduled sequentially. To accelerate the schedule, the project manager considers overlapping the activities. Which TWO of the following are correct regarding this approach?
⚠ Common exam trap
PK0-005 often tests the confusion between crashing (add resources, increase cost) and fast-tracking (overlap activities, increase risk) — candidates mix up which technique increases cost versus risk.
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
✓
This approach typically increases risk.
Option E is correct because overlapping two sequential activities, such as design and development, is the definition of fast-tracking—performing schedule activities in parallel that would normally be done in sequence. Option A is correct because fast-tracking typically increases risk, since overlapping activities can cause rework if the earlier activity's output is not yet finalized when the later activity begins. Option B is not necessarily correct because fast-tracking usually does not increase cost directly; it is crashing that typically adds cost by adding resources. Option C is incorrect because crashing means adding resources to shorten duration, not overlapping activities. Option D is incorrect because fast-tracking does not inherently require adding more resources to the critical path; that describes crashing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
This approach typically increases risk.
Why this is correct
Overlapping sequential activities, known as fast tracking, compresses duration by starting the successor before its predecessor finishes. Because work proceeds on incomplete inputs, rework and coordination risk rise, so the approach typically increases risk — the specific consequence the option asserts.
- ✗
This approach typically increases cost.
Why it's wrong here
Fast tracking adds no direct cost; it compresses duration by overlapping activities and instead raises rework risk. Increased cost is the hallmark of crashing, where additional resources are applied to critical-path tasks, so this would fit a stem describing resource-driven schedule compression.
- ✗
This technique is known as crashing.
Why it's wrong here
Overlapping sequential activities is fast tracking, which runs them in parallel and accepts rework risk. Crashing shortens duration by adding resources to critical-path activities, so it would be the right answer if the stem described extra people or budget rather than parallel working.
- ✗
This approach requires adding more resources to the critical path.
Why it's wrong here
Fast tracking overlaps existing activities; it does not require extra resources. Adding resources to critical-path activities describes crashing, which would be correct if the stem asked how to shorten duration through additional staffing rather than through parallel working.
- ✓
This technique is known as fast-tracking.
Why this is correct
Overlapping sequential activities to compress the schedule is fast-tracking, which trades increased risk for shorter duration by running design and development in parallel. Unlike crashing, which adds resources or cost, fast-tracking changes the logical relationships between activities, directly satisfying the stem's acceleration constraint without additional budget.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
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