- A
Azure Active Directory B2C (now part of Entra) to allow the partner to authenticate and access data via a custom API.
Why wrong: Azure AD B2C is for customer-facing identity management, not for B2B collaboration.
- B
Microsoft Entra entitlement management with an access package that grants read-only access to a SharePoint Online site.
Entitlement management enables you to govern external access with access packages that include SharePoint Online sites with read-only permissions.
- C
Microsoft Purview Information Protection to label the data and allow the partner to decrypt it.
Why wrong: Information Protection labels do not provide granular access control like read-only.
- D
Azure DevOps for sharing the data in a repository with read-only permissions.
Why wrong: Azure DevOps is not designed for sharing PHI data; it is for development.
Quick Answer
The answer is Microsoft Entra entitlement management with an access package that grants read-only access to a SharePoint Online site. This solution is correct because entitlement management allows you to create access packages that define exactly which resources an external partner can access and at what permission level, such as read-only, while leveraging Entra ID’s built-in governance for lifecycle and approval workflows. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of how to securely share PHI with an external partner read-only access without exposing the data to modification, and a common trap is confusing this with Azure AD B2C, which is designed for customer-facing identity, not partner resource sharing. Remember that entitlement management is the go-to for controlled external access to internal resources like SharePoint, whereas Purview handles labeling and Azure DevOps is irrelevant here. Memory tip: think “Entitlement = Entra’s gatekeeper for external read-only sharing.”
SC-100 Practice Question: Design security solutions for applications and data
This SC-100 practice question tests your understanding of design security solutions for applications and data. 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.
You are designing a solution for a healthcare organization that needs to share patient health information (PHI) with a partner organization. The partner must be able to query the data but should not be able to modify it. Both organizations use Microsoft Entra ID. What should you use?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Microsoft Entra entitlement management with an access package that grants read-only access to a SharePoint Online site.
Option A is correct because Microsoft Entra entitlement management allows you to create access packages that grant external users read-only access to SharePoint Online or other resources. Option B is wrong because Azure AD B2C is for customer identity. Option C is wrong because Microsoft Purview Information Protection is for classification and labeling, not for external sharing with read-only access. Option D is wrong because Azure DevOps is for development collaboration.
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.
- ✗
Azure Active Directory B2C (now part of Entra) to allow the partner to authenticate and access data via a custom API.
Why it's wrong here
Azure AD B2C is for customer-facing identity management, not for B2B collaboration.
- ✓
Microsoft Entra entitlement management with an access package that grants read-only access to a SharePoint Online site.
Why this is correct
Entitlement management enables you to govern external access with access packages that include SharePoint Online sites with read-only permissions.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Microsoft Purview Information Protection to label the data and allow the partner to decrypt it.
Why it's wrong here
Information Protection labels do not provide granular access control like read-only.
- ✗
Azure DevOps for sharing the data in a repository with read-only permissions.
Why it's wrong here
Azure DevOps is not designed for sharing PHI data; it is for development.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
What to study next
Got this wrong? Here's your next step.
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 SC-100 NAT questions on configuration and troubleshooting.
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Design security solutions for applications and data — study guide chapter
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FAQ
Questions learners often ask
What does this SC-100 question test?
Design security solutions for applications and data — This question tests Design security solutions for applications and data — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Microsoft Entra entitlement management with an access package that grants read-only access to a SharePoint Online site. — Option A is correct because Microsoft Entra entitlement management allows you to create access packages that grant external users read-only access to SharePoint Online or other resources. Option B is wrong because Azure AD B2C is for customer identity. Option C is wrong because Microsoft Purview Information Protection is for classification and labeling, not for external sharing with read-only access. Option D is wrong because Azure DevOps is for development collaboration.
What should I do if I get this SC-100 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 SC-100 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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Last reviewed: Jun 21, 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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