Quick Answer
The answer is that the devices are not in Supervised mode. Enterprise-signed iOS LOB apps deployed via Intune require the device to be in Supervised mode for silent, unattended installation; without it, the system blocks the download or prompts the user to manually trust the enterprise certificate, which is why the 'Unable to download app' error occurs even when the certificate is already trusted. On the MD-102 exam, this scenario tests your understanding of the distinction between user-initiated and automated app deployment for enterprise LOB apps, and it’s a common trap to assume that a trusted certificate alone is sufficient—supervision is the missing link for silent installation. Remember the memory tip: “No supervision, no silent mission”—if the device isn’t supervised, Intune can’t push the app without user intervention.
This MD-102 practice question tests your understanding of manage applications. 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.
Your organization uses Microsoft Intune to manage iOS/iPadOS devices. You need to deploy a custom vertical market app that is not available in the Apple App Store. The app is distributed as an .ipa file signed with an enterprise certificate. You have uploaded the .ipa file to Intune. However, when you assign the app to a user group, the installation fails on devices with the error 'Unable to download app'. The devices are enrolled as user-affinity devices with Device Enrollment Program (DEP). You have verified that the enterprise certificate is trusted on the devices. What is the most likely cause of the failure?
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.
The app package does not include an icon file.
Why wrong: Icon file is not required for installation.
The devices do not have a VPN configuration profile installed.
Why wrong: VPN is not required for app download.
The app is not purchased through the Volume Purchase Program (VPP).
Why wrong: VPP is for store apps, not enterprise-signed.
The devices are not in Supervised mode.
Enterprise apps require supervised mode for silent installation.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
The devices are not in Supervised mode.
Option B is correct because enterprise-signed apps require the device to be in Supervised mode for silent installation without user prompts. Without supervision, the user must manually trust the certificate or the app may fail. Option A is wrong because VPN configuration is not required for app download. Option C is wrong because VPP is for store apps, not enterprise-signed. Option D is wrong because the icon file is not critical for installation.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
The app package does not include an icon file.
Why it's wrong here
Icon file is not required for installation.
The devices do not have a VPN configuration profile installed.
Why it's wrong here
VPN is not required for app download.
The app is not purchased through the Volume Purchase Program (VPP).
Why it's wrong here
VPP is for store apps, not enterprise-signed.
The devices are not in Supervised mode.
Why this is correct
Enterprise apps require supervised mode for silent installation.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Identify which MD-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Manage applications — study guide chapter
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FAQ
Manage applications — This question tests Manage applications — Read the scenario before looking for a memorised answer..
The correct answer is: The devices are not in Supervised mode. — Option B is correct because enterprise-signed apps require the device to be in Supervised mode for silent installation without user prompts. Without supervision, the user must manually trust the certificate or the app may fail. Option A is wrong because VPN configuration is not required for app download. Option C is wrong because VPP is for store apps, not enterprise-signed. Option D is wrong because the icon file is not critical for installation.
Identify which MD-102 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 21, 2026
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