mediumMultiple ChoiceObjective-mapped
300-410 Practice Question: Configures a DMVPN spoke with the following:…
A network engineer configures a DMVPN spoke with the following:
interface Tunnel0 ip address 10.0.0.3 255.255.255.0 ip nhrp network-id 100 ip nhrp nhs 10.0.0.1
tunnel source GigabitEthernet0/0 tunnel mode gre multipoint
ip nhrp map 10.0.0.1 192.168.1.1 ip nhrp map multicast 192.168.1.1
!
What will happen when the spoke tries to send traffic to another spoke (10.0.0.4)?
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 spoke will send traffic directly to 10.0.0.4 if it has a cached NHRP mapping, otherwise through the hub.
In DMVPN Phase 2/3, spokes initially send traffic through the hub. The hub then uses NHRP redirect (if configured) to tell the spoke to establish a direct tunnel. Without NHRP redirect on the hub, traffic always goes through the hub.
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 spoke will send traffic directly to 10.0.0.4 if it has a cached NHRP mapping, otherwise through the hub.
Why this is correct
Spokes can build direct tunnels if they have learned the mapping via NHRP; otherwise, traffic goes via the hub.
- ✗
The spoke will always send traffic through the hub because of the static multicast map.
Why it's wrong here
The multicast map only affects multicast forwarding, not unicast traffic.
- ✗
The spoke will send traffic directly to 10.0.0.4 without using the hub.
Why it's wrong here
Without a pre-existing NHRP mapping, the spoke must first learn the mapping, typically via the hub.
- ✗
The spoke will drop the traffic because it does not have a route to 10.0.0.4.
Why it's wrong here
The spoke will have a route via the hub (e.g., from a dynamic routing protocol).
Go deeper
Related to this question
Learn chapter
Introduction to ENARSI Exam and Network Fundamentals
Key term
DMVPN Phase 2
DMVPN Phase 2 is an advanced Cisco routing technology that allows spoke routers to communicate directly with one another without sending traffic through a central hub, using dynamic routing protocols and multipoint GRE tunnels.
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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.