How does a crossover cable make it possible for two “like devices” (for example, two switches) to communicate?

How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?

• The transmit pins are disconnected and only the receive pins are used.
• The transmit pins on one device are connected to the receive pins on the other device.
• The transmit pins on one device are connected to the transmit pins on the other device.
• The receive pins on one device are connected to the receive pins on the other device.

Exam with this question: CCNA Discovery 1: DHomeSB Final Exam