- A
Enable Legacy BIOS mode in the UEFI to support MBR.
Why wrong: Enabling Legacy BIOS would allow MBR but would not meet Windows 11's UEFI requirement, potentially causing other compatibility issues.
- B
Disable Secure Boot in the UEFI settings.
Why wrong: Disabling Secure Boot does not change the partition table type; the drive still uses MBR, which is not supported for UEFI boot.
- C
Convert the drive to GPT using the diskpart utility during installation.
GPT is required for UEFI boot; converting the drive to GPT using diskpart (clean, convert gpt) allows Windows to install on the drive.
- D
Update the UEFI firmware to the latest version.
Why wrong: Firmware updates do not change the partition table of the drive; the drive itself needs to be converted to GPT.
Quick Answer
The answer is to convert the drive to GPT using the diskpart utility during Windows installation. This is correct because Windows 11 requires a GPT partition table to work with UEFI firmware and Secure Boot, and the error message directly indicates the drive is using the older MBR scheme, which is incompatible with UEFI mode. On the CompTIA A+ Core 1 220-1201 exam, this scenario tests your understanding of the Windows 11 GPT partition table requirement and how to fix an MBR error in UEFI—a common trap is thinking you can simply disable Secure Boot or switch to Legacy BIOS mode, but the real fix is converting the partition style. Remember, if the installer says “Windows cannot be installed to this disk,” you must clean and convert the disk to GPT via diskpart. A helpful memory tip: “GPT for UEFI, MBR for Legacy—if you see the error, convert to GPT.”
220-1101 BIOS / UEFI Practice Question
This 220-1201 practice question tests your understanding of bios / uefi. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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 building a new PC for a graphic designer who needs to run Windows 11. The technician installs a 2 TB NVMe SSD and 32 GB of RAM. During Windows installation, the installer reports that the drive cannot be used because it uses the MBR partition table. What UEFI setting or action should the technician change?
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
Convert the drive to GPT using the diskpart utility during installation.
Windows 11 requires UEFI with GPT partition table and Secure Boot. The error indicates the drive is using MBR, which is incompatible with UEFI. The technician should either convert the drive to GPT using diskpart or reinitialize it as GPT during installation.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable Legacy BIOS mode in the UEFI to support MBR.
Why it's wrong here
Enabling Legacy BIOS would allow MBR but would not meet Windows 11's UEFI requirement, potentially causing other compatibility issues.
- ✗
Disable Secure Boot in the UEFI settings.
Why it's wrong here
Disabling Secure Boot does not change the partition table type; the drive still uses MBR, which is not supported for UEFI boot.
- ✓
Convert the drive to GPT using the diskpart utility during installation.
Why this is correct
GPT is required for UEFI boot; converting the drive to GPT using diskpart (clean, convert gpt) allows Windows to install on the drive.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Update the UEFI firmware to the latest version.
Why it's wrong here
Firmware updates do not change the partition table of the drive; the drive itself needs to be converted to GPT.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1201 NAT questions on configuration and troubleshooting.
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BIOS / UEFI — study guide chapter
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FAQ
Questions learners often ask
What does this 220-1201 question test?
BIOS / UEFI — This question tests BIOS / UEFI — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Convert the drive to GPT using the diskpart utility during installation. — Windows 11 requires UEFI with GPT partition table and Secure Boot. The error indicates the drive is using MBR, which is incompatible with UEFI. The technician should either convert the drive to GPT using diskpart or reinitialize it as GPT during installation.
What should I do if I get this 220-1201 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related 220-1201 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
1 more ways this is tested on 220-1201
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A technician needs to install Windows 10 on a new PC with a 2 TB hard drive. The motherboard supports UEFI with GPT. Which partition scheme and boot mode should be used to support the full drive capacity?
easy- A.UEFI with MBR
- B.Legacy BIOS with GPT
- ✓ C.UEFI with GPT
- D.Legacy BIOS with MBR
Why C: UEFI requires GPT partition table to boot, and GPT supports drives larger than 2 TB. Legacy BIOS with MBR cannot address beyond 2 TB. This question reinforces the relationship between UEFI and GPT for large drives.
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Last reviewed: Jun 18, 2026
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