VPN Tunnel Establishment Quiz

5 questions Pass: 70% +25 pts (50 with Pro)

Quiz covering DNS and VPN Issues

What you'll be asked

  1. Which protocol is most commonly used to establish the secure tunnel in a client-to-site VPN connection?
  2. A remote user reports they cannot connect to the corporate VPN. You notice the VPN client logs show a 'Phase 1 Negotiation Failed' error. What is the most likely cause?
  3. If a VPN tunnel is successfully established, but the user cannot access internal network resources by hostname, which troubleshooting step should you prioritize?
  4. You are troubleshooting a VPN issue where the connection drops frequently. The logs indicate that the 'Perfect Forward Secrecy' (PFS) parameters do not match. What does this indicate?
  5. A user is connected to a VPN, but they cannot reach any corporate servers. A packet capture shows that 'Dead Peer Detection' (DPD) packets are being sent, but no response is received. What is the most likely technical bottleneck?

Answers and explanations come after you submit.