Remote employees login to the network using a device displaying a digital number which changes every five minutes. This is an example of which of the following?
A. Block cipher
B. One-time pad
C. Stream cipher
D. Digital signature
Answer: B
Remote employees login to the network using a device displaying a digital number which changes every five minutes. This is an example of which of the following?
A. Block cipher
B. One-time pad
C. Stream cipher
D. Digital signature