A network design engineer has been asked to reduce the size of the SPT on an IS-IS broadcast network.
Which option should the engineer recommend to accomplish this task?

A.
Configure the links as point-to-multipoint

B.
Configure QoS in all links

C.
Configure a new NET address

D.
Configure the links as point-to-point

Explanation:
A shortest-path tree (SPT) is calculated by each IS, and from this SPT the routing table is built.