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350-701 Practice Question: Which TWO are best practices for securing Cisco…
Which TWO are best practices for securing Cisco ASA remote access VPN? (Choose two.)
⚠ Common exam trap
Cisco often tests the misconception that disabling clientless SSL VPN or using pre-shared keys simplifies security, when in fact these options either do not enforce full-tunnel behavior or introduce significant authentication weaknesses.
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
✓
Enforce multi-factor authentication (MFA) for VPN users.
Enforcing multi-factor authentication (MFA) for VPN users adds an additional layer of security beyond just a password, significantly reducing the risk of credential theft and unauthorized access. Cisco ASA supports MFA integration with RADIUS servers (e.g., Cisco ISE, Duo Security) that can require a one-time password (OTP) or push notification, aligning with the principle of defense-in-depth for remote access VPNs.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Disable clientless SSL VPN to force full-tunnel client.
Why it's wrong here
Clientless SSL VPN can be useful; disabling not a best practice.
- ✗
Use pre-shared keys for user authentication to simplify deployments.
Why it's wrong here
PSKs are not user-specific and weak for remote access.
- ✓
Enforce multi-factor authentication (MFA) for VPN users.
Why this is correct
MFA adds security layer beyond passwords.
- ✗
Use L2TP/IPsec for legacy compatibility.
Why it's wrong here
Not recommended; use SSL VPN or IKEv2 for modern ASA.
- ✓
Implement split-tunneling only for trusted networks and applications.
Why this is correct
Split-tunneling reduces traffic to VPN but must be limited to avoid security risks.
Quick reference
AAA Protocol Comparison
| Protocol | Port(s) | Encryption | Transport | Primary Use |
|---|---|---|---|---|
| RADIUS | 1812 / 1813 | Password only | UDP | Network access control |
| TACACS+ | 49 | Full packet | TCP | Device administration |
| Diameter | 3868 | Full session | TCP / SCTP | Carrier / mobile networks |
| 802.1X | — | EAP-based | Layer 2 | Port-based access control |
TACACS+ encrypts the entire packet; RADIUS only encrypts the password field — a key exam distinction.
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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.