Which of the following is TRUE of two-factor authentication?

In biometric identification systems, the parts of the body conveniently available for identification are:

What is the primary role of smartcards in a PKI?

In biometric identification systems, at the beginning, it was soon apparent that truly positive identification could
only be based on physical attributes of a person. This raised the necessity of answering two questions:

Which of the following is NOT a security characteristic we need to consider while choosing a biometric
identification system?

Which of the following is the most reliable authentication method for remote access?

What is the access protection system that limits connections by calling back the number of a previously
authorized location called?

What is called the use of technologies such as fingerprint, retina, and iris scans to authenticate the individuals
requesting access to resources?

Which one of the following factors is NOT one on which Authentication is based?

Which BEST describes a tool (i.e. keyfob, calculator, memory card or smart card) used to supply dynamic
passwords?