PCPP2 Interprocess Communication Practice Question
You are using a multiprocessing.Pool. Which method should you use to apply a function to a sequence of items and get the results back in order as they complete?
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
✓
imap()
imap() returns an iterator that yields results in the order of the inputs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
apply()
Why it's wrong here
Apply() is for a single task execution.
- ✗
map_async()
Why it's wrong here
Map_async returns an AsyncResult object, not an iterator yielding results.
- ✓
imap()
Why this is correct
Imap() yields results as they become available, in order.
- ✗
map()
Why it's wrong here
Map() waits for all results before returning the list.
- ✗
starmap()
Why it's wrong here
Starmap is for functions with multiple arguments.
About these practice questions
This PCPP2 question is part of Courseiva's 194-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam 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.