MS-102 Deploy and manage a Microsoft 365 tenant Practice Question
This MS-102 practice question tests your understanding of deploy and manage a microsoft 365 tenant. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
A company wants to migrate from on-premises Exchange to Exchange Online. They need to synchronize user mailboxes. Which tool should they use?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
C: Exchange Online Hybrid Configuration Wizard
The Exchange Online Hybrid Configuration Wizard (HCW) is the correct tool for migrating on-premises Exchange mailboxes to Exchange Online because it configures the hybrid deployment settings, including the necessary connectors, federation trust, and OAuth authentication, enabling mailbox moves via the New-MigrationBatch cmdlet or the EAC. It orchestrates the synchronization of mailbox data between the on-premises environment and Exchange Online, leveraging the MRS (Mailbox Replication Service) proxy for secure, seamless migration.
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.
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A: Microsoft 365 admin center
Why it's wrong here
The admin center is for managing cloud resources, not for synchronizing on-premises mailboxes.
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B: Exchange Admin Center
Why it's wrong here
EAC manages Exchange Online/on-premises but does not have a built-in sync tool.
✓
C: Exchange Online Hybrid Configuration Wizard
Why this is correct
This wizard guides the setup of hybrid deployment, including mailbox move requests and synchronization.
Related concept
Read the scenario before looking for a memorised answer.
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D: Azure AD Connect
Why it's wrong here
Azure AD Connect synchronizes user identities, not mailbox content.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure AD Connect (identity synchronization) with mailbox migration, assuming that syncing user objects automatically moves mailboxes, but Azure AD Connect only handles directory data, not mailbox content or hybrid transport configuration.
Detailed technical explanation
How to think about this question
The HCW automates the creation of a hybrid deployment by running the Get-HybridConfiguration cmdlet and configuring the on-premises Exchange server as a hybrid server, enabling the MRS proxy endpoint to accept migration requests from Exchange Online. Under the hood, it establishes a secure TLS connection between the on-premises and cloud environments, and it sets up the Organization Relationship and Intra-Organization Connector required for free/busy sharing and mailbox moves. In real-world scenarios, if the HCW is not run first, migration attempts via the EAC will fail with errors like 'MigrationPermanentException' due to missing hybrid settings.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-102 question in full detail.
Deploy and manage a Microsoft 365 tenant — This question tests Deploy and manage a Microsoft 365 tenant — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: C: Exchange Online Hybrid Configuration Wizard — The Exchange Online Hybrid Configuration Wizard (HCW) is the correct tool for migrating on-premises Exchange mailboxes to Exchange Online because it configures the hybrid deployment settings, including the necessary connectors, federation trust, and OAuth authentication, enabling mailbox moves via the New-MigrationBatch cmdlet or the EAC. It orchestrates the synchronization of mailbox data between the on-premises environment and Exchange Online, leveraging the MRS (Mailbox Replication Service) proxy for secure, seamless migration.
What should I do if I get this MS-102 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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Question Discussion
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