Appendix A
Wi-Fi 6 (802.11ax)
Although not called out directly in the first version of the CCNP exam blueprint, 802.11ax is at the heart of Wi-Fi innovations for the first half of the 2020 decade. If you work in Wi-Fi, having some knowledge of the protocol and of what it changes will go a long way in helping you assess why Wi-Fi 6 deeply changes Wi-Fi.
In fact, you will often hear Wi-Fi 6 and 5G compared. 5G, a cellular technology developed by 3GPP, was designed throughout the 2010 decade as the next generation of radio interface standards for mobile systems. The goal was to prepare the cellular world for massive machine-type communications as well as ultra-reliable and low-latency communications. The ability to communicate over higher frequencies ...
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