ISC Identity And Access Management Architecture Practice Question
You are implementing an IdP-initiated SSO flow. What is the primary architectural requirement for the SP?
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
✓
The SP must have a pre-configured trust relationship with the IdP's metadata.
The SP must be configured to receive and validate the unsolicited SAML assertion sent by the IdP to the assertion consumer service (ACS) endpoint.
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 SP must utilize LDAP over SSL for the assertion.
Why it's wrong here
SAML assertions are typically sent via HTTP POST.
- ✗
The SP must redirect the user to the IdP login page.
Why it's wrong here
That describes an SP-initiated flow.
- ✗
The SP must poll the IdP for a login event.
Why it's wrong here
This would be a custom integration, not standard IdP-initiated flow.
- ✓
The SP must have a pre-configured trust relationship with the IdP's metadata.
Why this is correct
Trust must exist for the SP to validate the incoming assertion.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.