NSE7 Advanced VPN and Zero Trust Practice Question
A FortiGate administrator is configuring a multi-peer IPsec VPN where two remote sites (Site A and Site B) connect to a central hub. The administrator wants to ensure that if the primary peer for a site goes down, traffic automatically fails over to the backup peer. Which TWO settings must be configured on the hub's phase1?
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
✓
Set 'peer-options' to include both peers with 'priority'
Multi-peer VPN requires configuring 'peer-options' with multiple peer IPs and priorities, and enabling 'failover' on the phase1 interface to allow automatic switching to the backup peer if the primary goes down.
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
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