MS-100 Microsoft 365 Tenant & Service Management

Question 1

When a new Microsoft 365 tenant is created, what is the format of the initial domain that Microsoft automatically assigns?

Accepted Answer

<name>.onmicrosoft.com

Answer

<name>.microsoft.com

Answer

<name>.office365.com

Answer

<name>.azure.com

Question 2

Which DNS record type is primarily used to verify custom domain ownership when adding a domain to Microsoft 365?

Accepted Answer

TXT record

Answer

MX record

Answer

A record

Answer

CNAME record

Question 3

What happens to a Microsoft 365 user account immediately after it is deleted by an administrator?

Accepted Answer

It enters a soft-deleted state for 30 days before permanent deletion

Answer

It is permanently and immediately destroyed

Answer

It remains active but in a disabled state for 90 days

Answer

It is archived to Azure Blob Storage automatically

Question 4

Which Microsoft 365 admin role provides full, unrestricted access to all administrative features and services in a tenant?

Accepted Answer

Global Administrator

Answer

Exchange Administrator

Answer

Global Reader

Answer

Billing Administrator

Question 5

What is Microsoft FastTrack in the context of Microsoft 365?

Accepted Answer

A Microsoft-provided benefit offering onboarding guidance for eligible customers

Answer

A performance acceleration service for SharePoint Online

Answer

A rapid email migration tool for Exchange cutover

Answer

A CDN service for Office application delivery

Question 6

Which PowerShell module is considered the legacy (v1) module specifically designed for managing Microsoft 365 users and tenant settings?

Accepted Answer

MSOnline

Answer

AzureAD

Answer

ExchangeOnlineManagement

Answer

Microsoft.Graph

Question 7

What is the maximum number of custom domains that can be added to a single Microsoft 365 tenant?

Accepted Answer

Up to 900 domains

Answer

Up to 50 domains

Answer

Up to 100 domains

Answer

Unlimited domains