156-215.81.20 Identity Awareness Practice Question
A security administrator is using Identity Awareness with Identity Agents in 'Browser-Based' mode. Users report they are prompted for authentication twice. What is the most likely cause?
⚠ Common exam trap
Candidates mistakenly attribute double authentication prompts to expired passwords or browser cookie settings, missing the configuration overlap between browser-based modes and Captive Portal.
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
✓
Captive Portal is enabled for the same traffic.
When using browser-based authentication alongside Identity Agents, the gateway might trigger a Captive Portal authentication if the Identity Agent hasn't fully communicated the user's identity, or if there is a conflict in policy enforcement. This double-prompting often indicates that the browser-based authentication policy overlaps with the agent-based authentication method, causing the system to challenge the user through both mechanisms consecutively.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The Identity Agent is misconfigured.
Why it's wrong here
While the agent configuration is a factor, the specific behavior of double prompting usually arises from policy conflict rather than an agent malfunction. If the agent were truly misconfigured, it would likely fail to authenticate entirely rather than triggering a redundant secondary authentication challenge during the session establishment process.
- ✓
Captive Portal is enabled for the same traffic.
Why this is correct
When Captive Portal is enabled for the same traffic as Identity Agents, the gateway may challenge the user via the agent and then immediately via the browser if the initial agent-based authentication is not recognized as sufficient for the specific security rule matching the user's current session or application.
- ✗
The Domain Controller is slow to respond.
Why it's wrong here
Latency in domain controller responses typically leads to timeout errors or authentication failures, not multiple prompts. If the controller is slow, the user would experience a delay in access rather than an explicit double-authentication request from the gateway, which is a logic-driven behavior in the access policy.
- ✗
Active Directory replication delay.
Why it's wrong here
Replication delay primarily affects the synchronization of user objects and group memberships across multiple domain controllers. It does not cause a client-side experience where a user is prompted for credentials twice during a single login event, as the gateway processes the credentials against the available directory information.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Check Point exam blueprint
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