ENSLD 300-420 Practice Questions - Cisco ENSLD Designing Cisco Enterprise Networks (300-420) Exam

When designing OSPF for an enterprise with 60 remote sites, why is a single-area design (area 0) generally avoided?

OSPF cannot run with more than 50 routers in any area LSDB size, SPF cost, and flooding scope all grow with area size, hurting convergence and stability Single-area OSPF cannot perform ECMP load sharing Single-area OSPF requires manual neighbor statements at each site

Correct Answer:

LSDB size, SPF cost, and flooding scope all grow with area size, hurting convergence and stability

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