Because of the nature of the work, you have been ordered by your boss to assure that every company's laptops is equipped with a biometric scanner as an extra measure of security. Which of the following are common biometric devices that can be configured on laptops?

Biometrics identify you by using a part of your body. An ID card is not biometric. Retina scanners are used in some secure environments but are rarely found on laptops, whereas facial recognition, such as Apple's Face ID and Windows Hello, is found on the majority of modern laptops. Many laptops include fingerprint readers, which can be easily added.