Which statement is true concerning the data center access layer design?

Which statement is true concerning the data center access layer design?
A . The access layer in the data center is typically built at Layer 3, which allows for better sharing of services across multiple servers.
B . With Layer 2 access, the default gateway for the servers can be configured at the access or aggregation layer.
C . A dual-homing NIC requires a VLAN or trunk between the two access switches to support the dual IP addresses on the two server links to two separate switches.
D . The access layer is normally not required, as dual homing is standard from the servers to the aggregation layer.

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Answer: B