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My smartphone has an 802.11n NIC. Which of the following WiFi standards CANNOT be used by my phone?
802.11a
802.11g
802.11b
802.11ac
802.11n is backwards compatible with all of the WiFi standards that were previously released, but will NOT work with the brand new 802.11ac WiFi standard. But if my phone had an 802.11ac NIC, it would be compatible with all of those listed standards, in addition to 802.11n.
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