The answer is that antivirus signatures being out of date will cause the device to be non-compliant. This is because the compliance policy explicitly sets the `signatureOutOfDate` property to `false`, meaning the device must have current antivirus signature definitions to remain compliant. While the device’s OS version of 10.0.19041.1 falls correctly between the required minimum of 10.0.19041.0 and maximum of 10.0.19043.0, and BitLocker, Secure Boot, and firewall are all enabled per the exhibit, the policy does not verify the actual signature status—so if signatures are outdated, the device fails. On the MD-102 exam, this scenario tests your ability to parse JSON-based compliance policy settings and distinguish between hardware/OS requirements and security software requirements. A common trap is assuming an OS version above the minimum automatically passes, but the signature requirement is a separate, often overlooked condition. Memory tip: think “OS version is a range, but signatures are a binary—up to date or not.”
MD-102 Protect devices Practice Question
This MD-102 practice question tests your understanding of protect devices. 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. 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.
Refer to the exhibit. A Windows 10 device with OS build 10.0.19041.1 is evaluated against this compliance policy. The device meets all settings except one: the OS version is 10.0.19041.1, which is below the minimum 10.0.19041.0? Actually it is above. But wait, the device has BitLocker enabled, Secure Boot enabled, and firewall enabled. Which setting will cause the device to be non-compliant?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Antivirus signatures are out of date.
Option C is correct. The policy requires osMinimumVersion "10.0.19041.0" and osMaximumVersion "10.0.19043.0". The device has 10.0.19041.1, which is above the minimum but below the maximum, so it is within range. However, the policy has "signatureOutOfDate": false meaning it requires antivirus signatures to be up to date. The exhibit doesn't specify signature status, but the question implies the device is non-compliant due to signature out of date. Actually, re-evaluating: The policy sets "signatureOutOfDate": false, meaning the device must have up-to-date signatures. If the device has outdated signatures, it will be non-compliant. Options A, B, and D are all satisfied per the exhibit. So the correct answer is that signatureOutOfDate is false, but the device may have outdated signatures. However, the question asks which setting will cause non-compliance. The most likely is that the device has outdated signature definitions. But the exhibit shows the policy requirement; the device might not meet it. Since the device meets all others, the answer is related to signatureOutOfDate. But the options given are A) BitLocker not enabled, B) Secure Boot not enabled, C) Antivirus signatures out of date, D) Firewall not enabled. The device has all these enabled except possibly signatures. So C is correct.
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.
✗
BitLocker is not enabled on the device.
Why it's wrong here
The exhibit shows bitLockerEnabled: true, and the device has it enabled.
✓
Antivirus signatures are out of date.
Why this is correct
The policy requires signatureOutOfDate: false, meaning signatures must be up to date.
Clue confirmation
The clue word "minimum / minimize" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Secure Boot is not enabled on the device.
Why it's wrong here
The exhibit shows secureBootEnabled: true, and the device has it enabled.
✗
The firewall is not enabled on the device.
Why it's wrong here
The exhibit shows activeFirewallRequired: true, and the device has it enabled.
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.
Trap categories for this question
Command / output trap
The exhibit shows bitLockerEnabled: true, and the device has it enabled.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MD-102 question in full detail.
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 MD-102 NAT questions on configuration and troubleshooting.
Protect devices — This question tests Protect devices — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Antivirus signatures are out of date. — Option C is correct. The policy requires osMinimumVersion "10.0.19041.0" and osMaximumVersion "10.0.19043.0". The device has 10.0.19041.1, which is above the minimum but below the maximum, so it is within range. However, the policy has "signatureOutOfDate": false meaning it requires antivirus signatures to be up to date. The exhibit doesn't specify signature status, but the question implies the device is non-compliant due to signature out of date. Actually, re-evaluating: The policy sets "signatureOutOfDate": false, meaning the device must have up-to-date signatures. If the device has outdated signatures, it will be non-compliant. Options A, B, and D are all satisfied per the exhibit. So the correct answer is that signatureOutOfDate is false, but the device may have outdated signatures. However, the question asks which setting will cause non-compliance. The most likely is that the device has outdated signature definitions. But the exhibit shows the policy requirement; the device might not meet it. Since the device meets all others, the answer is related to signatureOutOfDate. But the options given are A) BitLocker not enabled, B) Secure Boot not enabled, C) Antivirus signatures out of date, D) Firewall not enabled. The device has all these enabled except possibly signatures. So C is correct.
What should I do if I get this MD-102 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 MD-102 NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "minimum / minimize". Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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