Refer to the exhibit.

A service provider using IS-IS has designed this network with all core links at the Layer 2 control
plane. How will they adjust the design to reduce the flooding of update packets?

A.
Change the area type of the links to be level-1-2 to allow level-1 updates.

B.
Change the network type of the links from broadcast to point-to-point.

C.
Use IS-IS mesh groups.

D.
Configure SPF timers to be more aggressive so that updates are more quickly cleared from
the queue.