SDSI Secure Infrastructure Design Practice Question
For a zero-trust architecture, what is the primary function of Cisco ISE?
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
✓
Acting as a Policy Decision Point (PDP) for access control.
ISE acts as the Policy Decision Point (PDP) in a zero-trust architecture, validating identity and context before granting access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Managing user passwords.
Why it's wrong here
Password management is an Active Directory function.
- ✗
Packet filtering at the edge.
Why it's wrong here
Filtering is performed by firewalls/switches.
- ✓
Acting as a Policy Decision Point (PDP) for access control.
Why this is correct
ISE evaluates the policy and provides the access decision.
- ✗
Automating WAN path selection.
Why it's wrong here
This is the role of SD-WAN.
About these practice questions
One of 298 original SDSI practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
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 Cisco exam blueprint
This SDSI practice question is part of Courseiva's free Cisco 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 SDSI exam.