How should I use these Deploy and manage a Microsoft 365 tenant practice questions?

Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

MS-102 · topic practice

Deploy and manage a Microsoft 365 tenant practice questions

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Yes — use the session launcher on this page to start a 10-, 20-, 30- or 50-question session drawn entirely from the Deploy and manage a Microsoft 365 tenant domain.

Practise Microsoft 365 Administrator MS-102 Deploy and manage a Microsoft 365 tenant practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

20 questionsDomain: Deploy and manage a Microsoft 365 tenant

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What the exam tests

What to know about Deploy and manage a Microsoft 365 tenant

Deploy and manage a Microsoft 365 tenant questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Deploy and manage a Microsoft 365 tenant exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

Deploy and manage a Microsoft 365 tenant questions

20 questions · select your answer, then reveal the explanation

Question 1easymultiple choice

Read the full Deploy and manage a Microsoft 365 tenant explanation →

An administrator is onboarding a new custom domain for email in a Microsoft 365 tenant. Which step should be performed first?

Trap 1: Verify domain ownership by adding a TXT record

Verification happens after the domain is added, not before.

Trap 2: Configure DNS records for Microsoft services

DNS records (e.g., MX, CNAME) are configured after successful verification.

Trap 3: Set the domain as the primary email domain

Setting a domain as primary is one of the final steps, performed after verification and DNS configuration.

Study all Deploy and manage a Microsoft 365 tenant common traps →

A
Add the domain in the Microsoft 365 admin center
The initial step is to register the domain with Microsoft 365 so it can be associated with the tenant.
B
Verify domain ownership by adding a TXT record
Why wrong: Verification happens after the domain is added, not before.
C
Configure DNS records for Microsoft services
Why wrong: DNS records (e.g., MX, CNAME) are configured after successful verification.
D
Set the domain as the primary email domain
Why wrong: Setting a domain as primary is one of the final steps, performed after verification and DNS configuration.

Deploy and manage a Microsoft 365 tenant practice questions

What to know about Deploy and manage a Microsoft 365 tenant

Common Deploy and manage a Microsoft 365 tenant exam traps

Deploy and manage a Microsoft 365 tenant questions

An administrator is onboarding a new custom domain for email in a Microsoft 365 tenant. Which step should be performed first?

A company wants to prevent their Microsoft 365 tenant from allowing external users to be invited by default. Only specific administrators should be able to invite guests. Which setting should be changed?

A company is planning to migrate from on-premises Exchange to Exchange Online and needs to ensure that mail flow can coexist between the two environments during the transition. Which tool should the administrator use to configure this hybrid deployment?

A company wants to allow users to log in to Microsoft 365 using their existing on-premises Active Directory credentials and ensure that password changes are reflected immediately in the cloud. Which authentication method should be implemented?

A newly hired administrator needs to manage user accounts, licenses, and reset passwords. Which portal should they access?

An organization wants to authenticate users using their on-premises Active Directory without synchronizing passwords to Microsoft Entra ID. Which identity model should they choose?

An administrator has created a new user account in Microsoft Entra ID. To ensure the user has a mailbox in Exchange Online, what is the next step?

An organization has registered the domain contoso.com and added it to their Microsoft 365 tenant. What is the next step to use this domain for user email addresses?

A company has recently signed up for Microsoft 365 Business Premium. They want to change the default domain from onmicrosoft.com to a custom domain they own. Which step must be completed first before the custom domain can be used for user email addresses?

An administrator is managing a Microsoft 365 tenant and needs to delegate the ability to reset user passwords to a group of helpdesk staff. The helpdesk staff should not have any other administrative privileges. Which built-in role should the administrator assign?

An organization has just purchased Microsoft 365 subscriptions and wants to add their custom domain 'fabrikam.com' to the tenant. Which record must they add to their DNS provider to verify domain ownership?

An administrator needs to delegate the ability to manage user licenses and assign roles to a junior admin, but without granting them access to the Microsoft 365 admin center's other settings. Which role should the junior admin be assigned?

A new helpdesk administrator needs to be able to reset user passwords and manage user account properties, but should not be able to manage licenses or assign administrative roles. Which built-in role should be assigned?

An organization has just purchased Microsoft 365 Business Standard licenses. The administrator adds a new user through the admin center. By default, does the new user receive a welcome email with sign-in instructions?

A company has purchased Microsoft 365 Business Standard and added the custom domain 'fabrikam.com' to the tenant. The company wants all new users to have 'fabrikam.com' as their default email domain instead of the onmicrosoft.com domain. How should the administrator achieve this?

An organization has just purchased Microsoft 365 Business Standard licenses and has added the custom domain 'contoso.com' to the tenant. The administrator wants all new user email addresses to use '@contoso.com' instead of the default '@contoso.onmicrosoft.com'. How can this be achieved?

An administrator needs to delegate the ability to manage user licenses, assign admin roles, and reset passwords to a group of users, but these users should not be able to modify tenant-level settings or billing. Which built-in role should be assigned?

A company has purchased Microsoft 365 Business Premium and added a custom domain 'contoso.com' to the tenant. They want all new users to have email addresses like user@contoso.com instead of the default onmicrosoft.com domain. What should the administrator do in the Microsoft 365 admin center?

An organization has just signed up for Microsoft 365 E3 with the initial domain 'contoso.onmicrosoft.com'. They need to create the first user accounts. What will be the default email address format for these new users if no custom domain is added yet?

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