A network technician is explaining the features of an 802.11ac access point to a client. The client is concerned about compatibility with older devices that only operate on the 2.4 GHz band. Which statement accurately describes how most 802.11ac access points handle this situation?
The older 2.4 GHz devices will be unable to connect, as 802.11ac hardware is not backward compatible.
The access point will force all devices, including 802.11ac clients, to connect on the 2.4 GHz band for maximum compatibility.
The 802.11ac standard is inherently dual-band and provides native support for both 2.4 GHz and 5 GHz devices.
The access point includes a separate 802.11n radio to provide compatibility on the 2.4 GHz band.
The 802.11ac standard operates exclusively on the 5 GHz frequency band. To provide backward compatibility for devices that use the 2.4 GHz band (like those using 802.11b, 802.11g, or 802.11n), commercial 802.11ac access points are typically built as dual-band devices. These access points contain a separate radio that uses the 802.11n standard to service clients on the 2.4 GHz band, while the 802.11ac standard is used for capable clients on the 5 GHz band.
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Why is the 5GHz band preferred for 802.11ac over the 2.4GHz band?