Which switch feature makes choosing crossover or straight-through cables easier? 4.when would you use a rollover cable?

Auto- MDI/ MD-IX  

Explanation:

 The Auto- MDI/ MD-IX is the type of ethernet that form when the two switches are basically connected together and the cross over cable are technically used for checking the particular connection in the system.

It is the main feature of the switch that choose the straight and crossover cable easily. Auto- MD-IX basically stand for the automatic medium dependent interface crossover.

In this, the interface can automatically detect the type of connection of the cable and also configure the connection properly in the system.  

Rollover cable are connect with the device to the router or the switch in the network. The rollover cable ate typically connect two devices with the similar device and allow the engineer for the connection and also manipulating the given programming as per the requirement in the system.

check the image attached

some main parts enter backspace caps lock shift and ctrl