MS-900 Describe Microsoft 365 pricing and support Practice Question
This MS-900 practice question tests your understanding of describe microsoft 365 pricing and support. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 company currently has Microsoft 365 E5 licenses for all users. They need to perform advanced threat hunting using queries across email, endpoints, and identities to investigate a potential security incident. Which of the following capabilities is already included in their existing license?
Why wrong: Plan 1 includes basic anti-phishing and anti-malware for email but not advanced hunting across endpoints and identities.
B
Microsoft Entra ID Premium P1
Why wrong: Microsoft Entra ID P1 provides identity governance and security features like Conditional Access, but not threat hunting capabilities.
C
Microsoft 365 Defender (including advanced hunting)
E5 includes Microsoft 365 Defender, which provides advanced hunting across emails, endpoints, identities, and apps, enabling queries to investigate incidents.
D
Microsoft Cloud App Security
Why wrong: Cloud App Security focuses on discovering and controlling shadow IT across SaaS apps, but is not the primary tool for cross-domain threat hunting.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Microsoft 365 Defender (including advanced hunting)
Microsoft 365 Defender (formerly Microsoft Threat Protection) includes advanced hunting capabilities that allow security teams to run Kusto Query Language (KQL) queries across email, endpoints, identities, and cloud apps. Since the company already has Microsoft 365 E5 licenses, this capability is included without any additional purchase.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Microsoft Defender for Microsoft 365 Plan 1
Why it's wrong here
Plan 1 includes basic anti-phishing and anti-malware for email but not advanced hunting across endpoints and identities.
✗
Microsoft Entra ID Premium P1
Why it's wrong here
Microsoft Entra ID P1 provides identity governance and security features like Conditional Access, but not threat hunting capabilities.
✓
Microsoft 365 Defender (including advanced hunting)
Why this is correct
E5 includes Microsoft 365 Defender, which provides advanced hunting across emails, endpoints, identities, and apps, enabling queries to investigate incidents.
Related concept
Read the scenario before looking for a memorised answer.
✗
Microsoft Cloud App Security
Why it's wrong here
Cloud App Security focuses on discovering and controlling shadow IT across SaaS apps, but is not the primary tool for cross-domain threat hunting.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Microsoft 365 Defender (the unified security suite) with its individual component plans (e.g., Defender for Office 365 Plan 1 or Plan 2), not realizing that advanced hunting is a feature of the full Microsoft 365 Defender included in E5, not a separate add-on.
Detailed technical explanation
How to think about this question
Advanced hunting in Microsoft 365 Defender uses a schema of over 30 tables (e.g., EmailEvents, DeviceProcessEvents, IdentityLogonEvents) that can be joined in KQL queries to correlate activities across domains. For example, a security analyst can query EmailEvents for a suspicious attachment hash and then join with DeviceProcessEvents to see if that hash executed on any endpoint, all within a single query interface. This unified hunting is powered by the Microsoft 365 Defender data lake, which ingests signals from Defender for Endpoint, Defender for Office 365, Defender for Identity, and Defender for Cloud Apps.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
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
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-900 question in full detail.
Describe Microsoft 365 pricing and support — This question tests Describe Microsoft 365 pricing and support — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Microsoft 365 Defender (including advanced hunting) — Microsoft 365 Defender (formerly Microsoft Threat Protection) includes advanced hunting capabilities that allow security teams to run Kusto Query Language (KQL) queries across email, endpoints, identities, and cloud apps. Since the company already has Microsoft 365 E5 licenses, this capability is included without any additional purchase.
What should I do if I get this MS-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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