Identify two benefits provided by using single sign-on (SSO) in a high availability (HA)

Identify two benefits provided by using single sign-on (SSO) in a high availability (HA)

application. (choose two)
A . To automatically authenticate users on a new server following a server crash
B. To redirect the user to a new server during a server quiesce (pause)
C. To allow the movement of stateful data between application servers
D. To allow for cookie persistence on the browser

Answer: A,B