The requirement for high availability within the Data Center network may cause the designer to consider which one of the following solutions?

The requirement for high availability within the Data Center network may cause the designer to consider which one of the following solutions?

The requirement for high availability within the Data Center network may cause the designer to consider which one of the following solutions?

A.
Construct a hierarchical network design using EtherChannel between a server and two VDCs from the same physical switch

B.
Utilize Cisco NSF with SSO to provide intrachassis SSO at Layers 2 to 4

C.
Define the Data Center as an OSPF NSSA area, advertising a default route into the DC And summarizing the routes out of the NSSA to the Campus Core

D.
Implement network services for the Data Center as a separate services layer using active/active model that is more predictable in failure conditions

Explanation:

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Massimiliano Sbaraglia

Massimiliano Sbaraglia

Hi all
I have some doubt about the answer, because SSO and NSF are feature for solve HA to layer 2 and layer 3 protocols (not layer 4..)
Someone can explain me better.
Tks

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