- A
The hypervisor does not support hardware acceleration for the guest OS.
Why wrong: Hardware acceleration for the guest OS is typically supported by modern hypervisors and is not a common cause of general host sluggishness when the VM is idle.
- B
The host machine’s CPU does not support Intel VT-x or AMD-V.
Lack of Intel VT-x or AMD-V forces the hypervisor to use software emulation, causing continuous CPU overhead that degrades host performance even when the VM is idle. This is the most likely reason.
- C
The technician allocated too much RAM to the VM, leaving insufficient memory for the host OS.
Why wrong: Allocating 4 GB RAM to the VM leaves 12 GB for the host, which is more than enough for Windows 10 Pro and background processes. Host sluggishness from RAM starvation would require much more aggressive allocation, so this is unlikely.
- D
The virtual switch is misconfigured, causing network loops.
Why wrong: A misconfigured virtual switch causing network loops would affect network performance, not cause general system sluggishness when the VM is idle.
220-1201 Hardware Virtualization Extensions Practice Question
This 220-1201 practice question tests your understanding of virtualization concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: hardware Virtualization Extensions. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A technician is deploying a new virtual machine on a Type 2 hypervisor (hosted) for software testing. The host machine runs Windows 10 Pro with 16 GB RAM and a quad-core CPU. The test application requires 4 GB RAM and two virtual CPUs. After creating the VM with those settings, the technician notices the host becomes extremely sluggish even when the VM is idle. What is the most likely reason for this?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"most likely"Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
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
The host machine’s CPU does not support Intel VT-x or AMD-V.
Type 2 hypervisors rely on hardware virtualization extensions (Intel VT-x or AMD-V) to run virtual machines efficiently. If the host CPU does not support these extensions (or they are disabled in the BIOS), the hypervisor falls back to software emulation, which imposes heavy overhead on the host CPU. This overhead is present even when the VM is idle because the hypervisor must constantly manage emulated instructions. With the host running Windows 10 Pro and a quad-core CPU, the software emulation can cause the host to become sluggish. Allocating only 4 GB RAM to the VM leaves 12 GB for the host, which is sufficient for Windows 10 Pro and typical background processes, so option C is unlikely to be the cause.
Key principle: Hardware Virtualization Extensions
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The hypervisor does not support hardware acceleration for the guest OS.
Why it's wrong here
Hardware acceleration for the guest OS is typically supported by modern hypervisors and is not a common cause of general host sluggishness when the VM is idle.
- ✓
The host machine’s CPU does not support Intel VT-x or AMD-V.
Why this is correct
Lack of Intel VT-x or AMD-V forces the hypervisor to use software emulation, causing continuous CPU overhead that degrades host performance even when the VM is idle. This is the most likely reason.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Hardware Virtualization Extensions
- ✗
The technician allocated too much RAM to the VM, leaving insufficient memory for the host OS.
Why it's wrong here
Allocating 4 GB RAM to the VM leaves 12 GB for the host, which is more than enough for Windows 10 Pro and background processes. Host sluggishness from RAM starvation would require much more aggressive allocation, so this is unlikely.
- ✗
The virtual switch is misconfigured, causing network loops.
Why it's wrong here
A misconfigured virtual switch causing network loops would affect network performance, not cause general system sluggishness when the VM is idle.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many candidates assume that host sluggishness is always due to RAM overallocation, but on a Type 2 hypervisor, the absence of hardware virtualization extensions can cause performance degradation even with modest VM resources.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Hardware Virtualization Extensions
- Type 2 Hypervisor Overhead
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Hardware Virtualization Extensions
Real-world example
How this comes up in practice
A practitioner preparing for the 220-1201 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Hardware Virtualization Extensions Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Review hardware Virtualization Extensions, then practise related 220-1201 questions on the same topic to reinforce the concept.
- →
Virtualization Concepts — study guide chapter
Learn the concepts, then practise the questions
- →
Virtualization Concepts practice questions
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FAQ
Questions learners often ask
What does this 220-1201 question test?
Virtualization Concepts — This question tests Virtualization Concepts — Hardware Virtualization Extensions.
What is the correct answer to this question?
The correct answer is: The host machine’s CPU does not support Intel VT-x or AMD-V. — Type 2 hypervisors rely on hardware virtualization extensions (Intel VT-x or AMD-V) to run virtual machines efficiently. If the host CPU does not support these extensions (or they are disabled in the BIOS), the hypervisor falls back to software emulation, which imposes heavy overhead on the host CPU. This overhead is present even when the VM is idle because the hypervisor must constantly manage emulated instructions. With the host running Windows 10 Pro and a quad-core CPU, the software emulation can cause the host to become sluggish. Allocating only 4 GB RAM to the VM leaves 12 GB for the host, which is sufficient for Windows 10 Pro and typical background processes, so option C is unlikely to be the cause.
What should I do if I get this 220-1201 question wrong?
Review hardware Virtualization Extensions, then practise related 220-1201 questions on the same topic to reinforce the concept.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Hardware Virtualization Extensions
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Last reviewed: Jun 18, 2026
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