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The most important change made to the MAC layer of 802.11a was ______.
Measures
Quantitative or qualitative tools used to assess, evaluate, or quantify variables of interest in research, testing, and evaluation.
Description
A detailed account or explanation of an object, person, or event.
Observable
Something that can be seen or noticed by others, often used in the context of behaviors or phenomena that can be directly witnessed.
Variables
Elements or factors that can change and potentially affect the outcome of a study or experiment.
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