CWNP
PW0-105 · Question #121
PW0-105 Question #121: Real Exam Question with Answer & Explanation
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Question
Given: As defined in the 802.11 specification, legacy Power Save requires an inefficient back- and- forth frame exchange process. Due to this inefficiency, many WLAN device implementations use a variation of 802.11 Power Save to accomplish the same function. What non-standard power save behavior is used by most Wi-Fi devices in actual implementations?
Options
- AClient devices ignore the TIM field and automatically send PS-Poll frames after every beacon.
- BAfter each beacon, the AP attempts to empty its frame buffer by sending Wake-on-WLAN frames to
- CRequest-to-Send and Clear-to-Send frame exchanges are used to trigger the delivery of buffered data.
- DThe Beacon interval is changed from the default 100 time units to 10 or less time units.
- EClients send null data frames to the AP and switch the power management bit from 1 to 0 to receive
- FStations send a CTS-to-self frame to the AP with a very long duration period so they can receive all
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