PCPP1 Networking And Restful Apis Practice Question
In a multithreaded network application, you observe 'ConnectionResetError'. What is the most likely cause when using Python sockets?
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
✓
The remote server closed the connection abruptly
This occurs when the remote host closes the connection while the local end is still trying to send or receive data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The port is already in use by another process
Why it's wrong here
This causes an AddressAlreadyInUse error.
- ✗
The socket was never bound
Why it's wrong here
This would trigger an error earlier in the connection phase.
- ✓
The remote server closed the connection abruptly
Why this is correct
A TCP RST packet received during a read/write operation triggers this.
- ✗
The local thread pool is exhausted
Why it's wrong here
This is not a network-level error.
About these practice questions
This PCPP1 question is part of Courseiva's 209-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 PCPP1 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 PCPP1 exam.