Which of the following technologies will you implement to accomplish the task?

You work as a technician for Trade Well Inc. The company is in the business of share trading. To enhance security, the company wants users to provide a third key (apart from ID and password) to access the company’s Web site.

Which of the following technologies will you implement to accomplish the task?
A . Smart cards
B . Key fobs
C . VPN
D . Biometrics

Answer: B