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mediumDrag & DropObjective-mapped
300-410 Practice Question: Drag and drop the steps to establish a DMVPN…
Drag and drop the steps to establish a DMVPN Phase 2 spoke-to-spoke tunnel into the correct order, from first to last.
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
✓
Configure NHRP and mGRE on hub and spokes
In DMVPN Phase 2, spoke-to-spoke tunnels are built dynamically. First, the spoke must have a valid NHRP registration to the hub. When traffic from one spoke to another triggers an NHRP resolution request, the hub forwards it to the target spoke, which replies. The spoke then initiates a direct mGRE tunnel, and finally, the spoke-to-spoke IPsec session is established.
Quick reference
VPN Protocol Comparison
| Protocol | Port | Encryption | Authentication | Use Case |
|---|---|---|---|---|
| IKEv2 / IPsec | UDP 500 / 4500 | AES-256 | Certificates / PSK | Site-to-site & remote access |
| SSL / TLS VPN | TCP 443 | TLS 1.3 | Certificates / MFA | Clientless remote access |
| L2TP / IPsec | UDP 1701 | AES (IPsec) | PSK / Certificates | Legacy remote access |
| WireGuard | UDP 51820 | ChaCha20 | Public keys | Modern high-performance VPN |
| PPTP | TCP 1723 | MPPE (weak) | MS-CHAPv2 | Legacy — avoid in production |
PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.
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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.