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300-410 Practice Question: The default authentication type for NHRP in a…
What is the default authentication type for NHRP in a DMVPN configuration?
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
✓
No authentication
By default, NHRP does not use any authentication. Authentication can be configured using the 'ip nhrp authentication' command, but it is disabled by default.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Plaintext password
Why it's wrong here
Incorrect. Plaintext authentication is not default; it must be configured.
- ✗
MD5 hash
Why it's wrong here
Incorrect. MD5 is not used by NHRP; it is used by some routing protocols.
- ✓
No authentication
Why this is correct
Correct. NHRP has no authentication by default.
- ✗
IPsec
Why it's wrong here
Incorrect. IPsec is used for encryption, not NHRP authentication.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 300-410 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 300-410 exam.