Which of the following ways can result in the election of a new ESRP Master in an Extreme ESRP network when the switches are configured with the default election algorithm?

Loss of communication between ESRP master and ESRP Slave/s 

Adding ports into the protected VLAN on one of the ESRP enabled switches. 

A configuration change of priority of 255 to one of the ESRP enabled switches. 

All of the above