Trusted Certificate in SQL SERVER

Question

First of all I am not a Network Admin/DBA.I would like to know about the below.

In a Sql 2012 db all db traffic to Sql server has to be encrypted by using secure socket layer(SSL) certificate.What exactly are these trusted SSL certificate?Is it something to do in in OS level? or in SQL SERVER .Where /How to implement these certificate?

Thanks

Answer 1

Not to be a jerk about it, but I literally threw "SQL SSL" into Google and this was the first result.