Which one of these statements is true concerning the data center distribution (aggregation) layer design?
A.
With Layer 3 at the aggregation layer, the physical loops in the topology must still be managed by STP.
B.
The boundary between Layer 2 and Layer 3 must reside in the multilayer witches, independent of any other devices such as firewalls or content switching devices.
C.
A mix of both Layer 2 and Layer 3 access is sometimes the most optimal.
D.
In a small data center, the aggregation layer can connect directly to the campus core, exchanging IP routes and MAC address tables.
Explanation:
OCG Page 139
Depending on the requirements of the design, the boundary between Layer 2 and Layer 3
can be in the multilayer switches, firewalls, or content switching devices in the aggregation
layer.
Answer C
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The correct answer is C:
A mix of both Layer 2 and Layer 3 access is sometimes the most optimal.
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