350-701 Cloud Security Practice Question
An organization uses Cisco Umbrella to block malicious domains. Which layer does Umbrella primarily operate at to prevent connections before they are established?
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
✓
DNS layer
Cisco Umbrella operates at the DNS layer to block requests to malicious domains before any connection is made.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Network layer (IP filtering)
Why it's wrong here
Umbrella uses DNS, not IP filtering.
- ✗
Application layer
Why it's wrong here
Umbrella does not operate at the application layer.
- ✗
Transport layer
Why it's wrong here
Umbrella does not inspect TCP/UDP headers.
- ✓
DNS layer
Why this is correct
Correct. Umbrella blocks DNS requests to malicious domains.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 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 350-701 exam.