WHAT IS THE DIFFERENCE BETWEEN STRAIGHT THROUGH AND CROSSOVER CABLE?

STRAIGHT-THROUGH & CROSSOVER

Straight - through

Straight-through cable is used to connect different type of devices.

It is often called a patch cable or an Ethernet cable. The cable that comes in the box with your router is a straight through cable – it is the most common format for network cables.Example:

• Computer – Switch

• Switch – Router

• Router - Computer

CROSSOVER

Crossover cable is used to connect same type of devices.
Example:

• Computer – Computer

• Switch – Switch

• Router - Router

Reference

http://www.cables-solutions.com/difference-between-straight-through-and-crossover-cable.html