The correct answer is known as the "Expansion Joint".
An Expansion joint or also referred to as the movement joint, it is an assembly made to safely absorb the temperature-induced expansion between two structures and the contraction of the construction materials used for the structure. The joints also absorbs vibrations, and to hold parts together even though stressors are present, stressors can be known characterized as the strong winds, seismic activities and temperature changes in the area.
Answer:
Option D: UNII-3
Explanation:
According to the 802.11 standard, 23 20MHz wide channels are defined in 5 GHz specturm. Each channel is 20MHz apart and they are separated into three Unlicensed National Information Infrastructure (UNII) bands. 802.11a/n/ac wireless devices can operate within these bands. In United States, UNII-3 is the upper UNII band that spans from 5.725 GHz TO 5.825 GHz and therefore it is the band that access point is operating. UNII-3 is not used in Europe countries for wireless communication.
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