PK0-005 Project Life Cycle Practice Question
During project planning, the project manager creates a network diagram. Activity A has a duration of 5 days, Activity B has a duration of 3 days, and Activity C has a duration of 4 days. Activities A and B can start immediately. Activity C can start only after Activity A is complete. Activity B has no dependency on others. What is the duration of the critical path?
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
✓
9 days
The critical path is the longest path through the network. Path A-C: 5+4=9 days. Path B: 3 days. The critical path is A-C with 9 days.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
7 days
Why it's wrong here
This would be the sum of A and B, but they are not sequential.
- ✗
8 days
Why it's wrong here
Incorrect calculation; check dependencies.
- ✓
9 days
Why this is correct
Correct: A-C sequence takes 5+4=9 days, which is the longest path.
- ✗
12 days
Why it's wrong here
No path sums to 12 days.
Go deeper
Related to this question
About these practice questions
Courseiva writes every PK0-005 question from scratch — 980 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.