Refer to the exhibit. Which two of these accurately describe this router's supervisor redundancy status? ()(Choose two.)<br /> <img src="https://nimg.ppkao.com/2018-07/yuanhao/2018073114233499479.jpg?sign=e8923a8bf81ea60f261ab7d32286dda9&t=62d33877" />
A、both supervisors are active
B、SSO redundancy is being used
C、the second supervisor is unavailable
D、the primary supervisor is unavailable
E、the primary supervisor was reloaded nine seconds ago