ISC Exam Questions

Which type of password token involves time synchronization?

Which type of password token involves time synchronization?

A.
Static password tokens

B.
Synchronous dynamic password tokens

C.
Asynchronous dynamic password tokens

D.
Challenge-response tokens

Explanation:
Synchronous dynamic tokens make use of time or counters to synchronize a displayed token code with the
code expected by the authentication server. Hence, the codes are synchronized.
Incorrect Answers:
A: Static passwords are reusable passwords that may or may not expire, and are normally user generated.
C: Asynchronous dynamic tokens are not synchronized with a central server.
D: Challenge-response tokens are asynchronous dynamic password tokens.

Conrad, Eric, Seth Misenar, Joshua Feldman, CISSP Study Guide, 2nd Edition, Syngress, Waltham, 2012, pp.
30-36