PCPP2 Interprocess Communication Practice Question
In the context of the threading module, what does the daemon flag do when set to True?
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 causes the thread to exit when the main process exits.
Daemon threads exit automatically when the main program finishes.
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 increases the thread's priority.
Why it's wrong here
It does not affect priority.
- ✗
It prevents the thread from being interrupted.
Why it's wrong here
Daemon threads can still be interrupted.
- ✗
It allows the thread to be killed by the OS.
Why it's wrong here
The OS doesn't treat daemon threads differently regarding signals.
- ✓
It causes the thread to exit when the main process exits.
Why this is correct
This is the definition of a daemon thread.
- ✗
It ensures the thread completes before the program exits.
Why it's wrong here
Non-daemon threads ensure completion; daemon threads do not.
About these practice questions
One of 194 original PCPP2 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. 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.