Many of the same protocols like TCP/IP work in both wired and wireless networks. Networks with Ethernet cables predominated in businesses, schools, and homes for several decades. More recently, however, wireless technologies like Wi-Fi have emerged as the preferred option for building new computer networks, in part to support smartphones and the other new kinds of wireless gadgets that have triggered the rise of mobile networking.
Certification programs are generally offered by product vendors or software firms. Vendor-specific certification verifies a set of skills to ensure network architects are able to work in specific networking environments. Companies may require their network architects to be certified in the products they use.
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