What is Ring topology?

In ring topology all the computers are connected in a series and the last computer is connected to the first computer like a ring. The advantage is it is simple to connect but disadvantage is that if any link or computer is down the whole network will down.

How many topologies are there?

There are different topologies. In which the most common topologies are below.

Like Ring topology,

 bus topology ,

Star topology

Mesh topology

Tree topology