PCPP2 Interprocess Communication Practice Question
You are using a multiprocessing.Semaphore(3). What happens when the 4th process attempts to acquire the semaphore?
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
✓
It blocks until a slot is released.
The 4th process will block until one of the previous three processes releases the semaphore.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
It blocks until a slot is released.
Why this is correct
This is the standard behavior for a semaphore.
- ✗
It creates a new process slot.
Why it's wrong here
It respects the limit.
- ✗
It raises an exception.
Why it's wrong here
It blocks, it does not raise an error.
- ✗
It bypasses the lock.
Why it's wrong here
It cannot bypass the semaphore logic.
- ✗
It is terminated by the OS.
Why it's wrong here
The OS does not terminate it.
Visual reference
About these practice questions
Courseiva writes every PCPP2 question from scratch — 194 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 and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Python Institute exam blueprint
This PCPP2 practice question is part of Courseiva's free Python Institute 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 PCPP2 exam.