Which technology must be implemented for this use case?

An engineer must achieve the highest level of location accuracy possible for a new mobile application.

Which technology must be implemented for this use case?
A . Time Difference of Arrival
B . Bluetooth Low Energy
C . RSS lateration
D . ToA lateration

Answer: A

Explanation:

https://www.cisco.com/c/en/us/td/docs/solutions/Enterprise/Mobility/WiFiLBSDG/wifich2.ht ml