CWNA Chapter 12 – WLAN Troubleshooting and Design

My Notes from chapter 12 of the CWNA study guide Layer 2 retransmissions The mortal enemy of WLAN performance is layer 2 retransmissions that occur at the MAC sublayer If a collision occurs or any portion of a unicast frame is corrupted, the cyclic redundancy check (CRC) will fail and the receiving 802.11 radio will …

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