VPN Connectivity Diagnosis Quiz

5 questions • Pass: 70% • +25 pts

Quiz covering DNS and VPN Issues

VPN Connectivity Diagnosis Quiz

5 questions | Pass: 70% | Earn 25 points

Questions in this quiz

A preview of the 5 questions covered. Start the quiz above to answer them, check your score, and read the explanations.

  1. 1

    Which command-line utility is most effective for verifying if a specific DNS server is resolving hostnames correctly for your VPN tunnel?

  2. 2

    A user can connect to the VPN, but they cannot access internal file shares by hostname. However, they can access them by IP address. What is the most likely cause?

  3. 3

    If a user reports 'VPN connected' but cannot reach any internal resources, and the routing table shows no routes directed through the VPN interface, what is the primary issue?

  4. 4

    A VPN user experiences intermittent connection drops. You notice that the MTU size on the VPN interface is 1500, but the ISP connection has a lower MTU due to overhead. What is the most likely result?

  5. 5

    While troubleshooting a VPN, you notice the client receives a 'Dead Peer Detection' (DPD) timeout error. What does this indicate?