MS-102 Deploy and manage a Microsoft 365 tenant Practice Test 8 — 15 Questions

Question 1

A company adds and verifies the custom domain 'contoso.com' in their Microsoft 365 tenant. However, emails sent to new users at user@contoso.com bounce back. The existing MX record for contoso.com points to the on-premises mail server. What is the most likely cause of the bounce?

Choose an answer to begin — your selection is scored in the full session.

Accepted Answer

The MX record must be updated to point to Exchange Online. B is correct because the MX record for contoso.com still points to the on-premises mail server. When a user is created in Exchange Online with the domain contoso.com, inbound email is routed according to the MX record. Since the MX record directs mail to the on-premises server, which does not have a mailbox for the new user, the message bounces. To deliver mail to Exchange Online, the MX record must be updated to point to Exchange Online (e.g., contoso-com.mail.protection.outlook.com).

Answer

The domain verification failed and needs to be repeated

Answer

Users must be added to the domain in the admin center

Answer

The SPF record is missing or misconfigured

Question 2

An administrator needs to open a Microsoft 365 support request because a critical service issue is affecting all users. Which two pieces of information should the administrator have readily available before contacting support? (Choose two.)

Accepted Answer

Tenant ID. Option A (Tenant ID) is correct because Microsoft 365 support requires the tenant GUID to uniquely identify the organization's directory and route the case to the correct environment. Option C (Current service health status) is correct because checking the Service health dashboard in the Microsoft 365 admin center shows whether the issue is a known incident or advisory, which support uses to correlate the report and avoid duplicate tickets. Option B is not required because support needs the tenant-level scope, not individual UPNs, for a service-wide outage affecting all users. Option D is not required because billing contact information is irrelevant to a technical service incident; support asks for tenant and service health details instead.

Answer

User principal names of affected users

Answer

Billing contact information

Question 3

A company has just signed up for Microsoft 365 Business Standard without adding a custom domain. An administrator needs to create the first user accounts. What will be the default email address format for these new users?

Accepted Answer

username@.onmicrosoft.com. When a Microsoft 365 tenant is created without adding a custom domain, the default domain is the `.onmicrosoft.com` domain. New user accounts are automatically assigned an email address in the format `username@.onmicrosoft.com`, as this is the initial domain provisioned for the tenant. Option C correctly reflects this default behavior.

Answer

username@contoso.com

Answer

username@onmicrosoft.com

Answer

username@microsoftonline.com

Question 4

After adding a custom domain name to a Microsoft 365 tenant, what is the first step the administrator must complete before users can sign in using the custom domain?

Accepted Answer

Verify domain ownership by adding a DNS TXT record. Before a custom domain can be used for user sign-ins or email routing in Microsoft 365, the administrator must prove ownership of the domain. This is done by adding a specific DNS TXT record provided by the Microsoft 365 domain setup wizard. Until the TXT record is verified, the domain remains unverified and cannot be used for any Microsoft 365 services.

Answer

Add the domain as an accepted domain in Exchange Online

Answer

Set the custom domain as the default domain for new users

Answer

Create user accounts with usernames ending with the custom domain

Question 5

A company wants to ensure that all new users created in Microsoft 365 are automatically assigned a specific set of licenses based on their department. The company has 200 users across Sales, Marketing, and IT departments. Each department uses different Microsoft 365 license plans. Which approach should the administrator use?

Accepted Answer

C: Use Azure AD Dynamic Groups to automatically add users to groups based on department, and then assign licenses to those groups.. Microsoft Entra ID Dynamic Groups can automatically add users to groups based on their department attribute (e.g., using a rule like `user.department -eq "Sales"`), and group-based licensing can then assign the appropriate Microsoft 365 license plan to each dynamic group. This ensures that any new user created with the correct department attribute is automatically added to the corresponding group and receives the license without manual intervention or scheduled scripts.

Answer

A: Create a PowerShell script that runs on a schedule to assign licenses based on department attribute.

Answer

B: Use group-based licensing and assign each department's users to a security group with the appropriate license.

Answer

D: Manually assign licenses to each user after creation.

Question 6

An administrator needs to open a Microsoft 365 support request because all users are experiencing intermittent service outages for Exchange Online. Before contacting support, which two pieces of information should the administrator have ready to ensure efficient troubleshooting? (Choose two.)

Accepted Answer

Tenant ID (or Microsoft 365 tenant domain name). The Tenant ID (or Microsoft 365 tenant domain name) is required by Microsoft Support to uniquely identify your tenant in their systems, enabling them to pull up your service configuration, subscription details, and relevant health data. This identifier is essential for routing the support request to the correct engineering team and for correlating the issue with backend telemetry.

Answer

Number of affected users

Answer

Network bandwidth graph from the past 24 hours

Question 7

A company recently added the custom domain 'contoso.com' to their Microsoft 365 tenant. Users report that they cannot receive external email sent to their new domain addresses. The administrator confirmed that the domain status shows 'Active' in the Microsoft 365 admin center. What is the most likely cause of this issue?

Accepted Answer

The MX record for the domain is missing or points to an incorrect mail server.. The domain status 'Active' in the Microsoft 365 admin center indicates that the domain has been successfully verified and added to the tenant. However, for external email to be delivered to users at that domain, the public MX record in DNS must point to Microsoft 365's mail servers (e.g., contoso-com.mail.protection.outlook.com). If the MX record is missing or points to an incorrect server, external senders cannot route email to the tenant, even though the domain is verified and active.

Answer

The domain was not verified with a TXT record.

Answer

The SPF record for the domain is missing or incorrectly configured.

Answer

The custom domain was not added to the user's primary email address.

Question 8

A company with 200 on-premises Exchange mailboxes plans to migrate to Exchange Online. They want to use a Microsoft-provided tool that supports granular control over mailbox migrations, allows batch migrations, and provides detailed reporting. Which migration method should the administrator choose?

Accepted Answer

Exchange Admin Center (EAC) migration dashboard. The Exchange Admin Center (EAC) migration dashboard is the correct choice because it is a Microsoft-provided tool that supports granular control over mailbox migrations (e.g., selecting specific users, setting migration endpoints, and configuring throttling), allows batch migrations with the ability to start, stop, and monitor multiple batches simultaneously, and provides detailed reporting on migration status, errors, and sync progress. This method is specifically designed for migrating on-premises Exchange mailboxes to Exchange Online in a controlled, staged manner, making it ideal for the scenario described.

Answer

Azure AD Connect

Answer

Third-party migration tool (e.g., BitTitan MigrationWiz)

Answer

IMAP migration

Question 9

A company has 500 users across Sales, Marketing, and IT departments. User objects are synced from on-premises Active Directory to Microsoft Entra ID using Azure AD Connect. Each department requires different Microsoft 365 license plans (e.g., Sales needs E3, Marketing needs Business Premium, IT needs E5). The administrator wants to automatically assign the appropriate license based on the department attribute without manual intervention. Which approach should the administrator use?

Accepted Answer

Configure group-based licensing using Microsoft Entra dynamic groups with rules based on the department attribute.. Microsoft Entra ID supports group-based licensing, which allows automatic license assignment to users based on their membership in dynamic groups. By creating dynamic groups with rules that filter on the department attribute (e.g., 'user.department -eq "Sales"'), the administrator can assign the appropriate license plan (E3, Business Premium, E5) to each group, and licenses are automatically applied or removed as users are added or removed from the group, without any manual or scripted intervention.

Answer

Create a script that runs daily to sync department values and assign licenses using PowerShell.

Answer

Use Azure AD Connect to filter objects and assign licenses during sync.

Answer

Manually assign licenses to each user in the Microsoft 365 admin center.

Question 10

An administrator adds the custom domain 'fabrikam.com' to a new Microsoft 365 tenant. After adding the domain, the status shows 'Pending verification'. Which type of DNS record must be added to the public DNS zone to complete domain ownership verification?

Accepted Answer

TXT record. To verify domain ownership in Microsoft 365, you must add a TXT record with a specific verification value provided by the Microsoft 365 admin center to the public DNS zone. This proves you control the domain because only the domain owner can modify DNS records. Other record types like MX, CNAME, or SPF are used for mail routing or service configuration, not for ownership verification.

Answer

MX record

Answer

CNAME record

Answer

SPF record

Question 11

An administrator wants to prevent users from inviting guest users from the domain 'contoso.com' to the tenant. The administrator needs to block all invitations for that specific domain while allowing invitations from all other external domains. Which setting in Microsoft Entra ID should be configured?

Accepted Answer

External collaboration settings. External collaboration settings in Microsoft Entra ID (formerly Azure AD) allow administrators to configure domain-based restrictions for B2B collaboration invitations. By adding 'contoso.com' to the 'Deny list' under 'Cross-tenant access settings' or specifically within the 'External collaboration settings' blade, invitations to that domain are blocked while all other external domains remain allowed. This setting directly controls the guest invitation behavior at the domain level.

Answer

Cross-tenant access settings

Answer

User settings

Answer

Domain federation

Question 12

A new employee has been hired and their account already exists in the on-premises Active Directory. The administrator needs to provide the employee with access to Microsoft 365 services as quickly as possible. What is the most efficient way to enable the user?

Accepted Answer

Sync the on-premises user using Azure AD Connect and then assign the license.. The user already exists in on-premises Active Directory, and the fastest way to enable Microsoft 365 access is to synchronize that identity using Microsoft Entra Connect. Once synchronized, the user object appears in Microsoft Entra ID (formerly Azure AD), and the administrator can immediately assign a license without re-creating the account. This avoids the delays of manual creation or guest invitations and leverages the existing identity lifecycle.

Answer

Create a new cloud-only user in the Microsoft 365 admin center and assign a license.

Answer

Manually create a user in Microsoft Entra ID with the same name and assign license.

Answer

Use Azure AD B2B collaboration to invite the on-premises user as a guest.

Question 13

An administrator is setting up a new Microsoft 365 tenant and has added the custom domain 'contoso.com'. The domain status shows 'Pending verification'. Which type of DNS record must the administrator add to the public DNS zone to complete domain ownership verification?

Accepted Answer

TXT record. To verify domain ownership in Microsoft 365, you must add a TXT record containing the unique verification string provided by the Microsoft 365 admin center to the public DNS zone. The TXT record proves you control the domain by allowing Microsoft to query the DNS and match the value. This is the standard method defined by RFC 1035 for domain validation.

Answer

MX record

Answer

CNAME record

Answer

SPF record

Question 14

A company has purchased 1000 Microsoft 365 E5 licenses and wants to automatically assign licenses to users based on their department attribute, which is synchronized from on-premises Active Directory. The department attribute is stored in Azure AD. Which automated method should the administrator use to achieve this?

Accepted Answer

Group-based licensing with dynamic groups. Group-based licensing with dynamic groups is the correct method because it allows automatic license assignment based on user attributes like department, which is synchronized from on-premises Active Directory via Microsoft Entra Connect. Dynamic groups evaluate membership rules in Microsoft Entra ID, and when a user's department attribute matches the rule, the group-based licensing policy automatically assigns or removes the Microsoft 365 E5 license without manual intervention.

Answer

scheduled PowerShell script that runs daily

Answer

Manual license assignment via the Microsoft 365 admin center

Answer

Bulk assign licenses using the admin center import feature

Question 15

An administrator adds the custom domain 'adatum.com' to a new Microsoft 365 tenant. In the Microsoft 365 admin center, the domain status shows 'Pending verification'. Which type of DNS record must the administrator add to the public DNS zone to complete the domain ownership verification?

Accepted Answer

TXT record. To verify domain ownership in Microsoft 365, you must add a TXT record containing a unique verification string provided by the Microsoft 365 admin center to the public DNS zone. The DNS provider checks for this TXT record, and when found, Microsoft 365 confirms you control the domain. This is a standard domain verification method defined in RFC 1035 and used by many cloud services.

Answer

MX record

Answer

CNAME record

Answer

SPF record