PCPP1 Networking And Restful Apis Practice Question
Which THREE of the following are correct regarding socket buffer sizes?
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
✓
Buffer sizes are limited by the operating system
Buffers affect performance, they can be set via setsockopt, and large buffers are not always better.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Buffer sizes are limited by the operating system
Why this is correct
OS kernel parameters enforce upper bounds.
- ✓
SO_RCVBUF sets the receiving buffer size
Why this is correct
Correct constant for receive buffer configuration.
- ✗
The buffer size has no effect on throughput
Why it's wrong here
Buffer size directly impacts throughput.
- ✗
Setting a massive buffer always improves speed
Why it's wrong here
It can lead to memory waste and latency.
- ✓
Buffer size can be configured using setsockopt
Why this is correct
This is the correct method for socket options.
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.