350-501 Security and Services Practice Question
When implementing RPKI for BGP origin validation, which three states can a route be marked as? (Choose three.)
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
✓
Invalid
RPKI validation results in three states: valid (matches a ROA), invalid (conflicts with a ROA), and not-found (no ROA exists). These states are used to influence BGP decision.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Invalid
Why this is correct
Route origin conflicts with a ROA.
- ✗
Trusted
Why it's wrong here
Trusted is not an RPKI validation state.
- ✓
Not-found
Why this is correct
No ROA exists for the prefix.
- ✗
Unknown
Why it's wrong here
Unknown is not an RPKI state; it's a placeholder.
- ✓
Valid
Why this is correct
Route origin matches a ROA.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-501 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 350-501 exam.