What main things does a judge say and do in court?

In my English class, we are doing a trial. Everybody has a part in this. There is no script, but we have to be in character. I have been chosen to be the judge for this trial. What are some actions and phrases a judge would say/do?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).