If IEEE 802.1w is in use for this network design, what are two locations where spanning-tree root
can be placed to ensure the least-disruptive Layer 2 failover for clients within VLANs 3 and 4?
(Choose two.)

A.
Switch A
B.
Switch B
C.
Switch C
D.
Switch D
any idea why C and D….any theory reason…
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P.S. part of that new 493Q 352-001 dumps for your reference:
https://drive.google.com/open?id=0B-ob6L_QjGLpflFYOFdyS1ctQVc2X1cwT0d2R2dyZzBsb2hPaGw5V2Y5akx5QmxxYUdOOUU
Best Regards!
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