Which of the following is not one of the actions taken in the operation of CSMA/CD when a collision occurs?
1) A jam signal informs all devices that a collision occurred.
2) The collision invokes a random backoff algorithm on the systems involved in the collision.
3) Each device on the Ethernet segment stops transmitting for a short time until its backoff timer expires.
4) All hosts have equal priority to transmit after the timers have expired.