WiFi connectivity
Wi-Fi connectivity can be of two types.
First one is probably less complex, but less often used is pear to pear Wi-Fi connection. It allows two Wi-Fi enabled devices to communicate directly to each other.
Second type is establishing Wi-Fi connection with a router. Multiple devices on a network can be connected to single Wi-Fi router.
Connection to a WiFi router need to be encrypted so others will not see traffic, proper encryption key allows connection to a WiFi router to be established.
It is needed properly encrypt Wi-Fi connection to prevent others from seeing network traffic and sensitive information.
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