QUESTION $58$

Which of the following best describes how NFC commonly is used?

a$.$ in radio signals through antennas, often found in tollbooth transponders

b$.$ in hot spots and wireless home and small business networks using TCP$/$IP

c$.$ in low$-$energy radio technology for short$-$range, high$-$bandwidth communications

d$.$ in credit cards, smartphones, and tickets to facilitate close$-$range communicationn