Which of the following are features of dynamic routing protocols?

a. What information is exchanged between routers
b. When updated routing information is exchanged
c. Steps for reacting to changes in the network
d. Criteria for establishing the best route selection

a. What information is exchanged between routers;
b. When updated routing information is exchanged;
c. Steps for reacting to changes in the network;
d. Criteria for establishing the best route selection
Explanation: All these are features of routing protocols.