AZ-305 Password hash synchronization Practice Question
Which TWO are valid methods to authenticate users in a Microsoft Entra ID hybrid identity solution? (Select TWO.)
⚠ Common exam trap
Test-takers frequently confuse Seamless Single Sign-On (SSO) as an authentication method, when it is actually a feature that works on top of password hash sync or pass-through authentication to provide automatic sign-in, not a standalone authentication method.
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
✓
Password hash synchronization
Password hash synchronization (B), Federation with Active Directory Federation Services (ADFS) (C), and Pass-through Authentication (D) are all valid authentication methods in a Microsoft Entra ID hybrid identity solution. Cloud-only authentication (A) is not hybrid, and Seamless Single Sign-On (E) is a supplementary feature rather than a standalone authentication method.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cloud-only authentication
Why it's wrong here
Not hybrid; requires no on-premises directory.
- ✓
Password hash synchronization
Why this is correct
Synchronizes password hashes to cloud for authentication.
- ✓
Federation with Active Directory Federation Services (ADFS)
Why this is correct
Federation with AD FS is a separate identity solution, not one of the native authentication methods supported directly in Entra ID hybrid identity setups.
- ✓
Pass-through Authentication
Why this is correct
Validates passwords on-premises via an agent.
- ✗
Seamless Single Sign-On
Why it's wrong here
Feature that works with PHS or PTA, not an authentication method itself.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This AZ-305 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the AZ-305 exam.