Which device should be used for enabling a host to communicate with another host on a different network?

A router should be used for enabling a host to communicate with another host on a different network.

Social networking sites d. online forumsthe first recognizable social media site,  six  degrees, was created in 1997. it enabled users to upload a profile and make friends with other users. in 1999, the first blogging sites became popular, creating a social media sensation that's still popular today.