Quick Answer
The answer is Microsoft Purview Data Lifecycle Management. This solution is correct because it provides the native policy engine to enforce retention policies in SharePoint Online, automatically managing content lifecycle through configurable retention labels and policies that trigger deletion or preservation based on compliance rules, without requiring manual user action. On the Microsoft Cybersecurity Architect exam, this question tests your ability to distinguish between Purview’s compliance modules—specifically, Data Lifecycle Management handles retention and deletion, while eDiscovery or Audit are separate tools for search and investigation. A common trap is confusing Data Lifecycle Management with Microsoft Purview Records Management, but remember: retention policies apply broadly to all content, whereas records management is for declaring items as permanent records. Memory tip: think “Lifecycle = Time-based retention and deletion,” not “Records = Legal hold and immutability.”
This SC-100 practice question tests your understanding of design security operations, identity, and compliance capabilities. 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.
You are designing a compliance solution for your organization that must enforce retention policies for documents stored in SharePoint Online. Which Microsoft Purview solution should you use?
Microsoft Purview Data Lifecycle Management
This manages retention and deletion of content.
Microsoft Purview eDiscovery
Why wrong: This is for search and export, not enforcement.
Microsoft Purview Communication Compliance
Why wrong: This monitors communications, not retention.
Microsoft Purview Insider Risk Management
Why wrong: This focuses on risky user activities, not retention.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft Purview Data Lifecycle Management
Microsoft Purview Data Lifecycle Management (formerly Microsoft 365 Retention) is the correct solution because it is specifically designed to enforce retention policies for documents in SharePoint Online. It allows you to apply retention labels and policies that automatically retain or delete content based on compliance requirements, without user intervention.
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.
Microsoft Purview Data Lifecycle Management
Why this is correct
This manages retention and deletion of content.
Related concept
Read the scenario before looking for a memorised answer.
Microsoft Purview eDiscovery
Why it's wrong here
This is for search and export, not enforcement.
Microsoft Purview Communication Compliance
Why it's wrong here
This monitors communications, not retention.
Microsoft Purview Insider Risk Management
Why it's wrong here
This focuses on risky user activities, not retention.
Common exam traps
The trap here is that candidates often confuse 'retention' with 'eDiscovery holds' or 'compliance monitoring,' leading them to select eDiscovery or Communication Compliance, but Data Lifecycle Management is the only solution that directly enforces retention schedules for content in SharePoint Online.
Detailed technical explanation
Retention policies in Data Lifecycle Management work by assigning a retention tag to a document at the library or folder level, which then triggers a timer job in SharePoint that evaluates the document's last modified date or creation date. If a document is modified after a retention label is applied, the retention period restarts from the new modification date unless a 'preserve' setting is used. In a real-world scenario, a legal department might require all contracts to be retained for 7 years after creation, and Data Lifecycle Management ensures that even if a user deletes the document, it is preserved in the Preservation Hold library until the retention period expires.
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.
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FAQ
Design security operations, identity, and compliance capabilities — This question tests Design security operations, identity, and compliance capabilities — Read the scenario before looking for a memorised answer..
The correct answer is: Microsoft Purview Data Lifecycle Management — Microsoft Purview Data Lifecycle Management (formerly Microsoft 365 Retention) is the correct solution because it is specifically designed to enforce retention policies for documents in SharePoint Online. It allows you to apply retention labels and policies that automatically retain or delete content based on compliance requirements, without user intervention.
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 24, 2026
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