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PK0-005 Practice Question: A project manager is developing a project…
A project manager is developing a project schedule and needs to estimate activity durations. Which TWO techniques are commonly used for estimating activity durations? (Choose two.)
⚠ Common exam trap
CompTIA often tests the distinction between techniques used for estimating durations (parametric, three-point) versus techniques used for schedule analysis (critical path method, Monte Carlo simulation), leading candidates to confuse CPM with an estimation method.
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
✓
Parametric estimating
Parametric estimating (B) uses historical data and statistical relationships between variables (e.g., cost per square meter, hours per unit) to calculate activity durations. It is a standard technique in project schedule development because it provides objective, data-driven estimates based on measurable parameters.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Critical path method
Why it's wrong here
A scheduling method, not an estimating technique.
- ✓
Parametric estimating
Why this is correct
Uses historical data and statistical relationships.
- ✓
Three-point estimating
Why this is correct
Uses optimistic, pessimistic, and most likely estimates.
- ✗
Monte Carlo simulation
Why it's wrong here
A simulation technique, not a basic estimating technique.
- ✗
Analogous estimating
Why it's wrong here
Also a technique, but not part of the two correct ones here.
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