The answer is to create an eDiscovery (Premium) case, add custodians, place them on hold, and use the case to search and export, then close the case to release the hold. This is correct because eDiscovery (Premium) provides case-based preservation through a legal hold that is automatically lifted when the case is closed, ensuring all relevant emails are preserved regardless of user deletion while allowing authorized reviewers to export data without affecting the original. On the MS-102 exam, this scenario tests your understanding of how eDiscovery (Premium) differs from per-mailbox litigation holds or retention labels, which lack case-level management and automatic hold release. A common trap is confusing litigation hold in Exchange with the case-based, custodian-focused approach of eDiscovery Premium, which is specifically designed for eDiscovery Premium case preservation litigation workflows. Memory tip: think of the eDiscovery case as a container that holds both the data and the hold—close the container, release the hold.
MS-102 Manage compliance by using Microsoft Purview Practice Question
This MS-102 practice question tests your understanding of manage compliance by using microsoft purview. 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 the compliance administrator for Contoso Ltd., a multinational corporation with 10,000 users. The company uses Microsoft 365 E5 licenses and has deployed Microsoft Purview. The legal department requires that all email communications related to ongoing litigation be preserved for the duration of the case. You have identified the custodians and relevant keywords. You need to ensure that all relevant emails are preserved, regardless of whether users delete them. Additionally, you need to allow authorized reviewers to search and export the preserved emails without affecting the original data. Finally, you must ensure that the preservation is lifted automatically when the case is closed. What should you do?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create an eDiscovery (Premium) case, add custodians, place them on hold, and use the case to search and export. Close the case to release the hold.
Option A is correct because eDiscovery (Premium) provides case-based preservation (legal hold) that can be lifted when the case is closed. Option B is incorrect because retention labels require manual application or auto-labeling, which may not capture all relevant emails. Option C is incorrect because DLP does not preserve data. Option D is incorrect because litigation hold in Exchange is per-mailbox and not case-based.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Create an eDiscovery (Premium) case, add custodians, place them on hold, and use the case to search and export. Close the case to release the hold.
Why this is correct
eDiscovery (Premium) supports case-based holds and exports.
Related concept
Static NAT maps one inside address to one outside address.
✗
Configure a DLP policy to protect sensitive data and preserve the emails.
Why it's wrong here
DLP does not preserve data.
✗
Create a retention label with a preservation action and publish it to the entire organization.
Why it's wrong here
Retention labels are not case-based and may affect all content.
✗
Place an in-place hold on all mailboxes using the Exchange admin center.
Why it's wrong here
In-place hold is not case-based and must be removed manually.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-102 NAT questions on configuration and troubleshooting.
Manage compliance by using Microsoft Purview — This question tests Manage compliance by using Microsoft Purview — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Create an eDiscovery (Premium) case, add custodians, place them on hold, and use the case to search and export. Close the case to release the hold. — Option A is correct because eDiscovery (Premium) provides case-based preservation (legal hold) that can be lifted when the case is closed. Option B is incorrect because retention labels require manual application or auto-labeling, which may not capture all relevant emails. Option C is incorrect because DLP does not preserve data. Option D is incorrect because litigation hold in Exchange is per-mailbox and not case-based.
What should I do if I get this MS-102 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related MS-102 NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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