Quick Answer
The correct answer is deviceOSVersion, along with deviceModel and deviceCategory, as these three conditions are the primary device attributes usable in dynamic group rules within Microsoft Entra ID. Dynamic group rules for devices rely on these specific attributes to automatically manage membership based on hardware or software characteristics, such as the operating system version, the device model name, or the device category (e.g., Windows, iOS, or corporate-owned). On the MS-102 exam, this concept tests your understanding of how to automate device lifecycle management without manual intervention, often appearing in scenarios where you must select valid rule properties from a list of common traps like deviceManufacturer or deviceName, which are not supported for dynamic device groups. A frequent pitfall is confusing device attributes for user-based dynamic groups with those for device-based rules, so remember that only deviceModel, deviceCategory, and deviceOSVersion are valid. To recall this easily, think of the mnemonic "MCO" — Model, Category, OSVersion — as the three pillars for device dynamic group rules.
This MS-102 practice question tests your understanding of manage users, groups, licensing, and support. 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.
Which THREE conditions can be used in a dynamic group rule for a device?
deviceModel
Valid device attribute.
deviceCategory
Valid device attribute.
deviceOSVersion
Valid device attribute.
lastLogonTimestamp
Why wrong: Not a device attribute.
passwordLastSet
Why wrong: Not a device attribute.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
deviceModel
Option A is correct because `deviceModel` is a valid attribute that can be used in a dynamic group rule for devices in Microsoft Entra ID (formerly Azure AD). Dynamic group rules for devices support attributes such as `deviceModel`, `deviceCategory`, and `deviceOSVersion` to automatically include or exclude devices based on their hardware or software characteristics.
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.
deviceModel
Why this is correct
Valid device attribute.
Related concept
Read the scenario before looking for a memorised answer.
deviceCategory
Why this is correct
Valid device attribute.
Related concept
Read the scenario before looking for a memorised answer.
deviceOSVersion
Why this is correct
Valid device attribute.
Related concept
Read the scenario before looking for a memorised answer.
lastLogonTimestamp
Why it's wrong here
Not a device attribute.
passwordLastSet
Why it's wrong here
Not a device attribute.
Common exam traps
The trap here is that candidates confuse user attributes (like `lastLogonTimestamp` and `passwordLastSet`) with device attributes, leading them to incorrectly select options that are valid only for user-based dynamic groups.
Detailed technical explanation
Dynamic group rules for devices in Microsoft Entra ID use the `device.` prefix for attributes such as `device.deviceModel`, `device.deviceCategory`, and `device.deviceOSVersion`. These rules are evaluated at runtime using the Microsoft Graph API, which queries the directory for device objects matching the rule expression. A real-world scenario is automatically assigning devices to a compliance policy group based on their OS version (e.g., `device.deviceOSVersion -startsWith "10.0.1904"` for Windows 10 20H2).
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
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FAQ
Manage users, groups, licensing, and support — This question tests Manage users, groups, licensing, and support — Read the scenario before looking for a memorised answer..
The correct answer is: deviceModel — Option A is correct because `deviceModel` is a valid attribute that can be used in a dynamic group rule for devices in Microsoft Entra ID (formerly Azure AD). Dynamic group rules for devices support attributes such as `deviceModel`, `deviceCategory`, and `deviceOSVersion` to automatically include or exclude devices based on their hardware or software characteristics.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 11, 2026
This MS-102 practice question is part of Courseiva's free Microsoft 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 MS-102 exam.
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