Quick Answer
The answer is Azure Sentinel, the cloud-native SIEM service from Microsoft that provides centralized security log collection across multiple Azure subscriptions. This is correct because Sentinel ingests logs from all connected sources—including Azure resources, on-premises systems, and other clouds—into a single Log Analytics workspace, enabling the SOC to correlate events and detect threats without data silos. On the Microsoft Cybersecurity Architect exam, this question tests your understanding of SIEM architecture versus log management tools like Azure Monitor; a common trap is confusing Azure Sentinel with Azure Log Analytics alone, but remember that Sentinel adds built-in threat intelligence, automated response, and unified visibility on top of the workspace. For the exam, think of Sentinel as the "brains" that centralize and analyze security logs, while Log Analytics is just the storage engine. Memory tip: "S" in Sentinel stands for "Single pane of glass" for all your security logs.
This SC-100 practice question tests your understanding of recommend security best practices and priorities. 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.
A company is planning a migration to Azure and wants to ensure that their security operations center (SOC) has visibility into all Azure resources. They need to collect security logs from multiple subscriptions into a central workspace. Which Azure service should they use?
Azure Security Center
Why wrong: Security Center provides recommendations, not log aggregation.
Azure Policy
Why wrong: Policy is for compliance, not log collection.
Azure Monitor
Why wrong: Azure Monitor is for monitoring, not SIEM capabilities.
Azure Sentinel
Sentinel is a SIEM that can centralize logs from multiple subscriptions.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Sentinel
Azure Sentinel is the correct choice because it is a cloud-native SIEM (Security Information and Event Management) solution designed to ingest security logs from multiple Azure subscriptions, on-premises sources, and third-party clouds into a single central workspace. It provides the SOC with unified visibility, threat detection, and incident response across all Azure resources, meeting the requirement for centralized security log collection.
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.
Azure Security Center
Why it's wrong here
Security Center provides recommendations, not log aggregation.
Azure Policy
Why it's wrong here
Policy is for compliance, not log collection.
Azure Monitor
Why it's wrong here
Azure Monitor is for monitoring, not SIEM capabilities.
Azure Sentinel
Why this is correct
Sentinel is a SIEM that can centralize logs from multiple subscriptions.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse Azure Monitor (a general monitoring service) with Azure Sentinel (a SIEM), but Azure Monitor lacks the security-specific log correlation, threat intelligence, and incident response features required for a SOC's centralized security operations.
Detailed technical explanation
Azure Sentinel uses the Log Analytics workspace as its underlying data store, ingesting logs via data connectors (e.g., Azure Activity Log, Azure Security Events, Windows Security Events via AMA) and supports Syslog, CEF, and custom log formats. It leverages Kusto Query Language (KQL) for advanced threat hunting and can correlate events across subscriptions using workspace-based analytics rules, enabling cross-subscription incident detection without needing separate workspaces.
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
Recommend security best practices and priorities — This question tests Recommend security best practices and priorities — Read the scenario before looking for a memorised answer..
The correct answer is: Azure Sentinel — Azure Sentinel is the correct choice because it is a cloud-native SIEM (Security Information and Event Management) solution designed to ingest security logs from multiple Azure subscriptions, on-premises sources, and third-party clouds into a single central workspace. It provides the SOC with unified visibility, threat detection, and incident response across all Azure resources, meeting the requirement for centralized security log collection.
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 SC-100 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 SC-100 exam.
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