What is the behavior of Defenders when the Console is unreachable during upgrades?
A . Defenders will fail open until the web-socket can be reestablished.
B . Defenders will fail closed until the web-socket can be re-established
C . Defenders continue to alert, but not enforce, using the policies and settings most recently cached before upgrading the Console.
D . Defenders continue to alert and enforce using the policies and settings most recently cached before upgrading the Console.
Answer: D