FC0-U71 Tech Concepts and Terminology Practice Question
A company wants to run multiple operating systems on a single physical server to maximize resource utilization. Which technology should they use?
⚠ Common exam trap
FC0-U71 often tests the difference between virtualization (multiple full OSes on one host via a hypervisor) and containerization (shared kernel, app-level isolation), so candidates who equate 'multiple workloads' with containers pick the wrong answer.
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
✓
Virtual machines
Virtual machines use a hypervisor (such as VMware ESXi, Hyper-V, or KVM) to abstract physical hardware and run multiple independent guest operating systems concurrently on a single physical server. Each VM has its own virtual CPU, memory, storage, and network, allowing full OS isolation and high resource utilization without rebooting. This is the standard technology for server consolidation and maximizing hardware utilization.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Dual booting
Why it's wrong here
Dual booting runs one OS at a time on the hardware, so the other operating systems consume no resources while inactive; it cannot host several concurrently. It suits a workstation needing occasional access to a second OS, not a server consolidating workloads.
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Cloud computing
Why it's wrong here
Cloud computing delivers computing resources over a network from a provider's infrastructure; it does not itself partition one physical server into isolated operating system instances. It is the right answer when the requirement is on-demand, elastic capacity rather than local hardware consolidation.
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Virtual machines
Why this is correct
Virtual machines use a hypervisor to run multiple guest operating systems concurrently on one physical server, each isolated with its own kernel. This satisfies the stem's requirement to maximise resource utilisation while hosting several distinct operating systems on shared hardware.
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Containerization
Why it's wrong here
Containerization shares the host kernel, so it cannot run multiple operating systems; it isolates processes within one OS. It is tempting because it maximises resource utilisation, but that goal is met only when all workloads run the same kernel. Running distinct operating systems requires hypervisor-based virtual machines.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official CompTIA exam blueprint
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.