350-701 Network Security Practice Question
An engineer is configuring a Cisco ASA for site-to-site IKEv2 VPN with a VTI. Which two statements about VTI are true? (Choose two.)
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
✓
VTI can be configured in IKEv2 mode with an IPsec profile.
VTI is a virtual interface that simplifies VPN configuration. It is a tunnel interface that uses IPsec profiles and supports routing protocols over the tunnel.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
VTI can be configured in IKEv2 mode with an IPsec profile.
Why this is correct
Correct; VTI uses an IPsec profile for IKEv2.
- ✗
VTI requires a separate ACL to define interesting traffic.
Why it's wrong here
VTI does not use ACLs for traffic selection; all traffic over the tunnel is encrypted.
- ✓
VTI is a tunnel interface that can be used with dynamic routing protocols.
Why this is correct
Correct; VTI supports routing protocols like OSPF.
- ✗
VTI is only supported on the ASA 5500-X series.
Why it's wrong here
VTI is supported on multiple ASA models.
- ✗
VTI uses a crypto map to define the IPsec policy.
Why it's wrong here
VTI uses an IPsec profile, not a crypto map.
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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