220-1101 / 1102 Domain 4: Virtualization and Cloud

Which hypervisor feature deduplicates identical memory pages across VMs?

Multiple choice — select one answer

Answer choices

  1. a. Amazon S3
  2. b. Memory ballooning / transparent page sharing class features
  3. c. vCPU and RAM (with monitoring)
  4. d. SaaS

Architectural breakdown & explanation

Hypervisors optimize RAM via sharing and balloon drivers.

Correct answer(s): b. Memory ballooning / transparent page sharing class features

Exam domain: Domain 4: Virtualization and Cloud (11% weight on the official guide).

Official documentation & study links

Practice this certification

This page is one question from the CompTIA A+ bank. Run a full timed practice exam with domain-weighted random questions in your browser.