A WLAN engineer recommends upgrading from Wi-Fi 5 to Wi-Fi 6 to the CIO. The CIO asks about ROI. What is the BEST response approach?
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A
Explain MU-MIMO streams and OFDMA subcarrier spacing in detail
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B
Quantify expected gains in throughput, device capacity, and support cost reduction tied to business goals
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C
Defer the question to the equipment vendor
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D
Say ROI cannot be calculated for wireless upgrades