Beacon Frames.
What is the purpose of a beacon frame in WiFi (802.11) networks?
Use of ACKs in WiFi.
Why are link-layer ACKs used in WiFi (802.11) networks? [Hint: check two of the boxes below].
Why three addresses?
Why does the WiFi (802.11) link-layer frame have three addresses? [Note: WiFi actually has four MAC addresses in the frame, but we’re only focusing here on the three widely used ones].
RTS/CTS frames.
What is the purpose of RTS (request to send) and CTS (clear to send) frames in WiFi (802.11) networks? Select one or more of the answers below. [Hint: check two answers below].
The 802.11 Media Access Control protocol.
Which of the following statement are true about the 802.11 (WiFi) MAC protocol?
Bluetooth.
Which of the following statement are true about the Bluetooth protocol?