350-701 Network Security Practice Question
An organization uses Cisco AnyConnect SSL VPN with DTLS enabled. What is the primary benefit of DTLS?
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
✓
It uses UDP to avoid TCP-over-TCP issues and improve performance.
DTLS provides UDP-based transport for VPN traffic, reducing latency and improving performance for real-time applications compared to TCP-based TLS.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
It provides stronger encryption than TLS.
Why it's wrong here
DTLS uses the same cipher suites as TLS.
- ✗
It is required for DAP policies.
Why it's wrong here
DAP works with both TLS and DTLS.
- ✓
It uses UDP to avoid TCP-over-TCP issues and improve performance.
Why this is correct
Correct; DTLS uses UDP, avoiding TCP meltdown.
- ✗
It allows split tunneling without configuration.
Why it's wrong here
Split tunneling is configured separately.
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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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-701 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 350-701 exam.