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 packet

Changing links from Level 2 to Level 1-2 introduces Level 1 area flooding in addition to Level 2 flooding, which increases LSP update traffic rather than reducing it.

Changing the network type from broadcast to point-to-point eliminates the DIS election and pseudonode LSPs but does not address the core problem of redundant LSP retransmission across many interfaces in a mesh.

IS-IS mesh groups assign interfaces to a numbered group so that an LSP received on one interface in the group is not retransmitted out other interfaces in the same group. In a fully meshed core where every router already receives each LSP via multiple paths, this suppresses the redundant retransmissions that dense topologies naturally generate. The result is a direct and significant reduction in the volume of flooding update packets without altering the topology or routing behavior.

Aggressive SPF timers control how quickly the shortest-path-first calculation runs after an LSP is received - they affect computation scheduling, not the volume or propagation of LSP flood packets across the network.