The answer is Password Hash Synchronization and Seamless Single Sign-On. These two features secure hybrid identities by extending on-premises Active Directory credentials to Azure AD without requiring additional federation infrastructure. Password Hash Synchronization synchronizes a hash of the user’s on-premises password to the cloud, enabling authentication directly against Azure AD, while Seamless SSO automatically signs users in on corporate devices connected to the corporate network, eliminating repeated password prompts. On the AZ-305 exam, this pairing tests your understanding of how to minimize on-premises dependency while maintaining a secure authentication flow—a common trap is confusing Seamless SSO with federation or Pass-through Authentication, but remember that PHS handles the credential store and Seamless SSO handles the user experience. A useful memory tip: think of PHS as the “key” that unlocks the cloud door, and Seamless SSO as the “automatic doorman” that lets you walk through without showing the key again.
AZ-305 Practice Question: Design identity, governance, and monitoring solutions
This AZ-305 practice question tests your understanding of design identity, governance, and monitoring solutions. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Which TWO features of Microsoft Entra ID can be used to secure hybrid identities?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Seamless Single Sign-On
Seamless Single Sign-On (Seamless SSO) automatically signs users in when they are on corporate devices connected to the corporate network, eliminating password prompts. Password Hash Synchronization (PHS) synchronizes a hash of the user's on-premises AD password to Azure AD, enabling cloud authentication without additional infrastructure. Both features directly secure hybrid identities by extending on-premises credentials to the cloud.
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.
✗
Microsoft Sentinel
Why it's wrong here
Sentinel is a SIEM, not an identity feature.
✗
Microsoft Intune
Why it's wrong here
Intune manages devices, not identity.
✓
Seamless Single Sign-On
Why this is correct
Seamless SSO allows users to sign in without entering passwords when on corporate network.
Related concept
Read the scenario before looking for a memorised answer.
✗
Azure Active Directory Domain Services
Why it's wrong here
AAD DS provides domain services for legacy apps, not hybrid identity security.
✓
Password Hash Synchronization
Why this is correct
Syncs password hashes to the cloud for authentication.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often confuse Azure AD DS (a managed domain service) with a feature of Microsoft Entra ID, when in fact it is a separate service that provides legacy LDAP and NTLM capabilities, not a native hybrid identity authentication feature.
Detailed technical explanation
How to think about this question
Seamless SSO works by using Kerberos delegation and the Azure AD Connect agent to issue a Kerberos ticket from the on-premises domain controller, which is then presented to Azure AD via a 411 error code redirect. Password Hash Synchronization uses the PBKDF2 key derivation function to hash the on-premises password and syncs it every 2 minutes via Azure AD Connect, ensuring cloud authentication even if the on-premises DC is unreachable. In real-world scenarios, organizations often combine PHS with Seamless SSO to provide both fallback authentication and a frictionless sign-on experience for domain-joined devices.
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 AZ-305 question in full detail.
Design identity, governance, and monitoring solutions — This question tests Design identity, governance, and monitoring solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Seamless Single Sign-On — Seamless Single Sign-On (Seamless SSO) automatically signs users in when they are on corporate devices connected to the corporate network, eliminating password prompts. Password Hash Synchronization (PHS) synchronizes a hash of the user's on-premises AD password to Azure AD, enabling cloud authentication without additional infrastructure. Both features directly secure hybrid identities by extending on-premises credentials to the cloud.
What should I do if I get this AZ-305 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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