Refer to the Exhibit

question 189

Multiple Choice

Refer to the exhibit. This new OSPF network has four areas, but the hub-and-spoke area experiences frequent flapping. You must fix this design failure. Which two mechanisms can you use to isolate the data center area from the hub-and-spoke area without losing IP connectivity? (Choose two.)

• A) Make the DC area totally stub.
• B) Make the DC area an NSSA.
• C) Convert the DC area to EIGRP protocol.
• D) Deploy a prefix summarization on router D.
• E) Use OSPF distribute-list filtering on router A.

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