Which two design recommendations are most appropriate when EIGRP is the data center corerouting protocol？ （）

A.Summarize data center subnets.

B.Use passive interfaces to ensure appropriate adjacencies.

C.Tune the EIGRP timers to enable EIGRP to achieve quicker convergence.

D.Adjust the default bandwidth value to ensure proper bandwidth on all links.

E.Advertise a default summary route into the data center core from the aggregation layer.