305-300 Full Virtualization Practice Question
In the context of virtualization, what does 'ballooning' refer to?
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
✓
Dynamically resizing guest memory
Memory ballooning allows the hypervisor to reclaim unused RAM from a guest VM and reallocate it to other VMs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Scaling network bandwidth for a VM
Why it's wrong here
This is traffic shaping.
- ✗
Increasing the number of virtual CPUs
Why it's wrong here
This is CPU hot-plugging.
- ✓
Dynamically resizing guest memory
Why this is correct
This is the definition of memory ballooning.
- ✗
Compressing disk images on the fly
Why it's wrong here
This is disk compression.
About these practice questions
One of 194 original 305-300 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 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.