A large bank deploys hardware tokens to all customers that use their online banking system. The token generates and displays a six digit numeric password every 60 seconds. The customers must log into their bank accounts using this numeric password. This is an example of
Correct Answer: D
A synchronous token is a hardware device that generates and displays a one-time password (OTP) that changes at fixed intervals, usually based on a clock or a counter. The OTP is synchronized with the authentication server, and the user must enter the OTP within a certain time window to log in. This is an example of single factor authentication based on something the user has (the token). The other options are not correct, as they either do not match the description of the token (A and B), or do not specify the type of token
. References: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 6, page 331; Official (ISC)2 CISSP CBK Reference, Fifth Edition, Chapter 6, page 387.