Wireless Frames: Beacons, Probe Request, and Association Request Frames - Category and Functions

Wireless Frames

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Question

Beacons, probe request, and association request frames are associated with which category?

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Explanations

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A. B. C. D.

A.

The IEEE 802.11 wireless LAN (WLAN) standard defines three main types of frames: management frames, control frames, and data frames. These frames are used for different purposes in a WLAN.

  • Management frames: These frames are used for management functions such as authentication, association, and disassociation of a client with an access point (AP). They are also used for probing and announcing the presence of an access point. Management frames include Beacon frames, Probe Request frames, Probe Response frames, Association Request frames, Association Response frames, Reassociation Request frames, and Reassociation Response frames.

  • Control frames: These frames are used for controlling access to the wireless medium, including controlling the transmission of data frames and handling errors. Control frames include Request to Send (RTS), Clear to Send (CTS), Acknowledgment (ACK), and Block Acknowledgment (BA).

  • Data frames: These frames carry actual data, such as user traffic, over the wireless medium. Data frames include frames for different protocols, such as Ethernet frames, Internet Protocol (IP) packets, and Transmission Control Protocol (TCP) segments.

Based on the above explanation, the correct answer to the question is A. Management frames, as Beacons, Probe Request, and Association Request frames are all types of Management frames used for different purposes in a WLAN.