A writing closet needs to support 20 APs and 110 wired endpoints. It has four strands of OM3 fiber to the network core 150 feet (45 m) away. The customer wants the links to the network core to support at least 10GbE. The customer also requires no loss in connectivity for the switches in the closet, even with the loss of one link.
The architect plans to recommend three 2930M 40G 8SR PoE+ switches, two 4-port SFP+ modules, and two SFP+ SR transceivers. What should the architect change about the plan?
A. Add three 10GbE direct attach cables (DACs) or three stacking cables.
B. Add a stacking module for each switch and three stacking cables.
C. Change the two SFP+ SR transceivers to SFP+ LRM transceivers.
D. Add one 4-port SFP+ module and one SFP+ SR transceiver.
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