問題文
A team plans scheduled tests that will run from laptops while a VPN is up, and asks which transport the documentation recommends and what visibility gap to expect. What does it say?
選択肢
- Use TCP-based testing, because some VPN products block ICMP, and expect little visibility into the overlay once the VPN gateway wraps every packet from the wireless side.
- Use TCP-based testing, because some VPN products block ICMP, and expect little visibility into the underlay when the VPN carries every packet inside the tunnel.
- Use TCP-based testing, because some VPN products block ICMP, and expect little visibility into the application layer when the VPN terminates the session at the gateway.
- Use TCP-based testing, because some VPN products block ICMP, and expect little visibility into the wireless layer when the VPN keeps the adapter in a virtual state.