When designing for location services, how many APs should be heard by each location-ready AP and at what dBm signal level? (Choose two.)
A. At least 1 to 2 APs at a signal level of -67 dBm or better
B. No more than 3 APs at a signal level of -72 dBm or better
C. At least 5 to 6 APs at a signal level of -75 dBm or better
D. At least three and preferably four at a signal level of -75 dBm or better
E. As many APs as possible at a signal level of -72 dBm or better
https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/WiFiLBS-DG/wifich5.html
A point is defined as being “location-ready” if the following are all determined to be true:
•At least four access points are deployed on the floor
•At least one access point is found to be resident in each quadrant surrounding the point-in-question
•At least one access point residing in each of at least three of the surrounding quadrants is located within 70 feet of the point-in-question.