Question 472 of 953

Implement a secure environment →hardMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to invite the consultants as guest users in your Microsoft Entra ID tenant using B2B collaboration, then create a contained database user for each guest user. This works because B2B collaboration allows you to grant cross-tenant Azure AD users access to Azure SQL Database without requiring them to leave their home tenant, preserving identity isolation while making their guest identities available in your directory. Once invited, you map each guest user’s User Principal Name (UPN) to a contained database user in the specific database and assign the db_datareader role for read-only permissions. On the DP-300 exam, this scenario tests your understanding of hybrid identity patterns for Azure SQL, and a common trap is trying to create a server-level login or using Azure AD groups directly without first establishing the guest identities. Remember the two-step rule: first invite the external user into your tenant, then create the contained user in the database. A helpful mnemonic is “Guest first, contained second” to avoid skipping the B2B invitation step.

DP-300 Implement a secure environment Practice Question

This DP-300 practice question tests your understanding of implement a secure environment. 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.

Your company uses Azure SQL Database with Microsoft Entra ID (formerly Azure AD) authentication. You need to grant a group of external consultants access to a specific database with read-only permissions. The consultants are from a partner organization that uses their own Microsoft Entra ID tenant. What should you do?

Question 1hardmultiple choice

Full question →

A
Invite the consultants as guest users in your Microsoft Entra ID tenant using B2B collaboration, then create a contained database user for each guest user
Guest users can authenticate to Azure SQL Database using their home tenant credentials and are then granted database permissions.
B
Create a contained database user mapped to the consultants' Microsoft Entra ID user principal names (UPNs)
Why wrong: Contained database users require the Microsoft Entra ID users to exist in the same tenant.
C
Configure Azure SQL Database to trust the partner's Microsoft Entra ID tenant
Why wrong: Azure SQL Database does not support cross-tenant trust for authentication.
D
Create a SQL Server authentication login and user for the consultants
Why wrong: This would use SQL authentication, not Microsoft Entra ID authentication.

Full breakdown with real-world context →

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

✓

Invite the consultants as guest users in your Microsoft Entra ID tenant using B2B collaboration, then create a contained database user for each guest user

Option A is correct because external consultants from a different Microsoft Entra ID tenant must first be invited as guest users via B2B collaboration to your tenant. Once they are guest users, you can create contained database users in Azure SQL Database mapped to their guest user identities (e.g., their UPN in your tenant) and grant them read-only permissions (e.g., db_datareader role). This approach respects the isolation of the partner's tenant while enabling access through your tenant's identity.

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.

✓
Invite the consultants as guest users in your Microsoft Entra ID tenant using B2B collaboration, then create a contained database user for each guest user
Why this is correct
Guest users can authenticate to Azure SQL Database using their home tenant credentials and are then granted database permissions.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a contained database user mapped to the consultants' Microsoft Entra ID user principal names (UPNs)
Why it's wrong here
Contained database users require the Microsoft Entra ID users to exist in the same tenant.
✗
Configure Azure SQL Database to trust the partner's Microsoft Entra ID tenant
Why it's wrong here
Azure SQL Database does not support cross-tenant trust for authentication.
✗
Create a SQL Server authentication login and user for the consultants
Why it's wrong here
This would use SQL authentication, not Microsoft Entra ID authentication.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates assume you can directly map a contained database user to an external UPN without first establishing cross-tenant identity via B2B collaboration, or they mistakenly think Azure SQL Database can natively trust another Entra ID tenant.

Detailed technical explanation

How to think about this question

B2B collaboration uses the Microsoft Entra ID cross-tenant invitation protocol (based on SAML 2.0 or OIDC) to create guest user objects in the resource tenant. When creating a contained database user for a guest, you use the guest's UPN as it appears in your tenant (e.g., externaluser_partnertenant.onmicrosoft.com#EXT#@yourtenant.onmicrosoft.com). The contained user is then authenticated via the guest's home tenant credentials, and Azure SQL Database validates the token against your tenant's Entra ID. This design ensures that the partner tenant retains control over user lifecycle and credentials.

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 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.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this DP-300 question test?

Implement a secure environment — This question tests Implement a secure environment — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Invite the consultants as guest users in your Microsoft Entra ID tenant using B2B collaboration, then create a contained database user for each guest user — Option A is correct because external consultants from a different Microsoft Entra ID tenant must first be invited as guest users via B2B collaboration to your tenant. Once they are guest users, you can create contained database users in Azure SQL Database mapped to their guest user identities (e.g., their UPN in your tenant) and grant them read-only permissions (e.g., db_datareader role). This approach respects the isolation of the partner's tenant while enabling access through your tenant's identity.

What should I do if I get this DP-300 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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