Q.

Which of the following system is constantly polling locations to update them and recalibrating data points to improve accuracy over time?

A. wps
B. gps
C. xps
D. all of the mentioned
Answer» C. xps
Explanation: the system uses a large reference database of wi-fi access points and cell tower ids, raw position data from each location source (a signal), and the company’s proprietary algorithm to locate the device.
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