Illuminas,a research firm in Moscow,maintains a high level of security due to the sensitive research data that they handle.Certain parts of the facility have restricted access and are accessible only to authorized personnel.To validate the identity of such personnel,the firm uses a certain technology which scans employees' irises before granting them entry to such areas.This is an example of which of the following aspects of personal identification?

Question

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Biometrics is the use of physiological characteristics such as one's fingerprint,the blood vessels in the iris of the eye,the sound of voice,or even one's breath to provide identification.The best form of security for personal identification encompasses three aspects,i.e. ,what you know,what you have,and who you are.

Illuminas,a Research Firm in Moscow,maintains a High Level of Security