Final answer:
A point-to-point VPN is referred to as a site-to-site VPN, which securely connects two separate networks over the internet as if they were one network.
Step-by-step explanation:
A point-to-point VPN is also known as a site-to-site VPN. This type of VPN is used to establish a secure connection between two separate networks over the internet, allowing them to function as though they are a single network. For example, a company might use a site-to-site VPN to connect their office network with a remote data center, securely linking the two over the internet.