SDSI Secure Infrastructure Design Practice Question
To protect a SaaS application accessed by remote users, which Cisco solution provides a unified cloud-native security stack including DNS-layer security and SWG?
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
✓
Cisco Umbrella
Cisco Umbrella provides the cloud-native security stack including DNS security, SWG, and CASB functions.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Cisco Duo
Why it's wrong here
Duo is for multi-factor authentication, not web security gateway features.
- ✗
Cisco Firepower Threat Defense
Why it's wrong here
FTD is primarily for perimeter or site-to-site protection.
- ✗
Cisco Secure Endpoint
Why it's wrong here
Secure Endpoint focuses on host-based threat protection.
- ✓
Cisco Umbrella
Why this is correct
Umbrella is the cloud-native SASE component that secures SaaS access.
About these practice questions
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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 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.