PCPP2 Interprocess Communication Practice Question
Which object would you use to share a simple integer between processes that is safe for concurrent access?
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
✓
multiprocessing.Value
multiprocessing.Value is designed specifically to share single values between processes with a lock.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
list
Why it's wrong here
A standard list is not shared between processes.
- ✗
threading.Lock
Why it's wrong here
A lock is for synchronization, not storage.
- ✓
multiprocessing.Value
Why this is correct
Value provides shared memory access to a variable.
- ✗
global variable
Why it's wrong here
Global variables are not shared between processes.
- ✗
multiprocessing.Queue
Why it's wrong here
Queues are for passing messages, not shared memory variables.
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.