A Bookstore Uses a Faraday Cage to Comply with Credit

Multiple Choice

A bookstore uses a Faraday cage to comply with credit card regulations. Customers report that their  cellular phones have no signal when they are in the bookstore. Which of the following is the MOST likely cause?

A) The Faraday cage is creating interference within the bookstore.
B) The Faraday cage prevents access by redirecting signals.
C) The Faraday cage is creating latency on the cellular network.
D) The Faraday cage is creating attenuation of the cellular network.