How to set up a Trust Relationship between two domains?

DOMAIN TRUST RELATIONSHIPS:

Simply put, a Trust Relationship is used to create a connection between two different domain trees.
There are three types of Trust Relationships, which are as follows:

1. Oneway Incoming
2. Oneway Outgoing
3. Both

HOW TO SETUP A TRUST RELATIONSHIP BETWEEN TWO DOMAINS:

Click on START – > Administrative Tools -> Active Director Domains & Trusts – > Right-click on the Domain Name – > Select Properties – > Click on the Trust Tab – > Click on the New Trust Button (The New Trust Wizard Opens now) – > Click on Next – > Type the Domain Name (you wish to establish a Trust Relationship with) – Click Next to Continue and Exit out of the Wizard.