PCPP2 Interprocess Communication Practice Question
When using a multiprocessing.Queue to share data between processes, what happens if the queue is full and you use the put() method without a timeout?
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 indefinitely until a slot becomes available.
By default, put() is a blocking operation that will wait until a slot is available if the queue is full.
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 restarts the child process.
Why it's wrong here
There is no mechanism for a queue to restart a process.
- ✓
It blocks indefinitely until a slot becomes available.
Why this is correct
Default behavior of put() is to block if the queue is full.
- ✗
It raises a Full exception immediately.
Why it's wrong here
This only happens if block=False is set.
- ✗
It silently drops the data.
Why it's wrong here
Queue operations do not silently drop data.
- ✗
It overwrites the oldest item in the queue.
Why it's wrong here
Queue is FIFO, it does not overwrite automatically.
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.