73

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.

Answer: C

Explanation: