Why Is the SIFS Time in the 802

question 24

Multiple Choice

Why is the SIFS time in the 802.11g standard effectively extended to 16 microseconds?

• A) for compatibility with 802.11a
• B) to account for quiet time
• C) to allow 802.11n devices on the network
• D) to achieve data rates higher than 11 Mbps

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Definitions:

Cannon-Bard Theory

A theory of emotion that suggests emotional feelings and physiological reactions to stimuli are experienced simultaneously.

Schachter Two-factor Theories

A psychological perspective that emotional experience arises from physiological arousal and cognitive labeling of the reason for this arousal.

Autonomic Activation

The stimulation of the autonomic nervous system, which controls involuntary bodily functions and responses to stress.

Schachter Two-factor Theory

A theory suggesting that emotions are determined by physiological arousal and the cognitive interpretation of that arousal.