How should multiple OSPF areas be designed when deployed on a classic three-layer
(core/distribution/access) network hierarchy?

A.
The OSPF flooding domain boundary should be at the edge of the core layer.
B.
The OSPF flooding domain boundary should be within the distribution layer.
C.
OSPF should generally be deployed in a three-layer domain hierarchy to align with the physical
three-layer hierarchy.
D.
OSPF flooding domain boundaries should be placed with route aggregation in mind.
Where is the answer for this as per me this should be B.
The OSPF flooding domain boundary should be within the distribution layer
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P.S. part of that new 493Q 352-001 dumps FYI:
https://drive.google.com/open?id=0B-ob6L_QjGLpflFYOFdyS1ctQVc2X1cwT0d2R2dyZzBsb2hPaGw5V2Y5akx5QmxxYUdOOUU
Best Regards!
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