Refer to the exhibit. What solution can provide a VPN between site A and site B to support encapsulation of any Layer 3 protocol between the internal networks at each site?
- a GRE tunnel
- an IPsec tunnel
- Cisco SSL VPN
- a remote access tunnel
| Answers Explanation & Hints:
A Generic Routing Encapsulation (GRE) tunnel is a non-secure, site-to-site VPN tunneling solution that is capable of encapsulating any Layer 3 protocol between multiple sites across over an IP internetwork. |