Define the Fresnel zone.
What will be an ideal response?
The Fresnel zone is an elliptical area immediately surrounding the visual line of sight for RF transmissions. The zone varies in thickness, depending on the length of the signal path and signal frequency. The signal strength is strongest in Zone 1, which is a straight line from sender to receiver. Signal strength decreases in each successive zone.
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A. usability B. interchangeability C. functionality D. reusability
Any Ribbon tools not available when worksheets are grouped will be ________
A) grayed out B) highlighted C) underlined D) italicized
Search engines drive a considerable amount of traffic to Web sites, so search engine ____________________, the business of adjusting a Web site so it ranks higher than competing sites on search engine pages, has become a thriving industry.
Fill in the blank(s) with the appropriate word(s).
Compare a straight-through cable with a crossover cable.
What will be an ideal response?