During a network design review, it is recommended that the network with a single large area should be broken up into a backbone and multiple nonbackbone areas. There are differing opinions on how many ABRs are needed for each area for redundancy. What would be the impact of having additional ABRs per area?
A. There is no impact to increasing the number of ABRs.
B. The SPF calculations are more complex.
C. The number of externals and network summaries are increased.
D. The size of the FIB is increased.
Answer: C
A large enterprise customer is migrating thousands of retail offices from legacy TDM circuits to an Ethernet-based service. The network is running OSPF and has been stable for many years. It is now possible to backhaul the circuits directly to the data centers, bypassing the regional aggregation routers. Which two networking issues need to be addressed to ensure stability with the new design? (Choose two.)
A. Nothing will change if the number of offices is the same.
B. Nothing will change if the number of physical interfaces stays the same.
C. The RIB will increase significantly.
D. The FIB will increase significantly.
E. The amount of LSA flooding will increase significantly.
F. The size of the link-state database will increase significantly.
Answer: EF
