305-300 Full Virtualization Practice Question
What is the purpose of the virtio-balloon driver in a guest?
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
✓
To enable memory ballooning
The balloon driver allows the host to communicate with the guest for memory reclaiming.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
To speed up network transfers
Why it's wrong here
virtio-net handles networking.
- ✗
To provide disk caching
Why it's wrong here
virtio-blk handles disk caching.
- ✓
To enable memory ballooning
Why this is correct
It facilitates host-guest memory management.
- ✗
To enable 3D graphics
Why it's wrong here
virtio-gpu handles graphics.
About these practice questions
This 305-300 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 LPI exam blueprint
This 305-300 practice question is part of Courseiva's free LPI 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 305-300 exam.