The correct answer option is A. encryption and transfer of data.
The business activities that take place through internet as the medium are referred to as electronic commerce.
The Federal Trade Commission [FCT] is one of the main functional bodies responsible for regulating such electronic commerce activities which includes encryption and transfer of data.
The risk of data theft from encryption and transfer of data is really high so FTC makes sure to prevent theft from the transaction made through e-commerce.
because there are always 10 numbers in a phone number.