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Wireless Networks, Layer 2 Question

Z

zhchua

Limp Gawd
Joined
Aug 20, 2000
Messages
351
When sending data across a wireless network (from your PC to your Wireless Router to the destination PC across the globe), from your PC to your wireless network, is this considered a OSI Layer 2 or are we in the Physical layer already.

I'm now self-studying for an CCNA, but the OSI concept still boggles my mind to some extend.

Am I correct to say that by the time the data passes from your pc to the router, the data has already been encapsulated by a Frame (which in this case is 802.11x)?
 
The link from your wireless NIC to the wireless bridge or router is OSI Layer 2 since the data payload is encapsulated in a 802.11x frame header.
 
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