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.