Information Security: Principles and Practices 2nd Edition by Jim Breithaupt, Mark S. Merkow

Exercise 24

Which of the following addresses cumbersome situations where users need to log on multiple times to access different resources?

A. single sign-on (SSO) systems

B. dual sign-on (DSO) systems

C. double sign-on (DSO)’systems

D. triple sign-on (TSO) systems

Step 1 of 2

Cumbersome situations

The triple sign-on (TSO) system is the most secure way to authenticate that genuine user is trying to access the resource; and thus can address to the cumbersome situations where user needs to log on multiple times.

Hence the answer is D. triple-sign-on (TSO) Systems.