350-701 Endpoint Protection and Detection Practice Question
A company uses Cisco Umbrella to block malicious domains. An endpoint user reports that they cannot access a legitimate business website. The website resolves to a domain that is not on any block list. What is the most likely cause?
⚠ Common exam trap
Cisco often tests the distinction between explicit block lists (Destination Lists) and policy-based category blocking, leading candidates to assume that only explicitly listed domains can be blocked, when in fact content categories are a primary enforcement mechanism.
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 domain is part of a content category that is blocked in the Umbrella policy.
Cisco Umbrella enforces security policies based on content categories, not just individual domains. Even if a domain is not explicitly blocked, it may belong to a content category (e.g., 'Newly Seen Domains', 'Pornography', 'Hacking') that has been set to 'Block' in the Umbrella policy. This is a common cause of legitimate sites being blocked, as Umbrella evaluates the domain against all applicable categories before allowing 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.
- ✗
The domain is listed in a custom Destination List with 'Block' action.
Why it's wrong here
If the domain is not in any custom list, this is not the cause.
- ✓
The domain is part of a content category that is blocked in the Umbrella policy.
Why this is correct
Umbrella's content category filtering can block entire categories of websites, even if the domain is not individually listed.
- ✗
The Umbrella policy has Application Settings enabled for 'Web Browsing' with block action.
Why it's wrong here
Application Settings target specific applications (e.g., Dropbox), not URL categories.
- ✗
The Umbrella roaming client is using an invalid API token.
Why it's wrong here
An invalid token would cause complete failure, not selective blocking.
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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.