300-320 Question #249: Real Exam Question with Answer & Explanation

The correct answer is A: Summarize data center subnets.. "Here are some recommendations on EIGRP design for the data center core layer: · Advertise a default summary route into the data center access layer with the ip summary- address eigrp interface command on the aggregation layer. · If other default routes exist in the network, such

Question

Which two design recommendations are most appropriate when EIGRP is the data center core routing protocol? (Choose two.)

Options

ASummarize data center subnets.
BUse passive interfaces to ensure appropriate adjacencies.
CTune the EIGRP timers to enable EIGRP to achieve quicker convergence.
DAdjust the default bandwidth value to ensure proper bandwidth on all links.
EAdvertise a default summary route into the data center core from the aggregation layer.

Explanation

"Here are some recommendations on EIGRP design for the data center core layer: · Advertise a default summary route into the data center access layer with the ip summary- address eigrp interface command on the aggregation layer. · If other default routes exist in the network, such as from the Internet edge, you might need to filter them using distribute lists. · Summarize the data center access layer subnets with the ip summary-address eigrp interface command from the aggregation layer. · Use the passive-interface default command, and advertise only on the links that need to participate in the routing process using the no passive-interface interface command."

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