Refer to the exhibit. On the basis of the output, what two conclusions can be reached?()<br /> <img src="https://nimg.ppkao.com/2018-07/yiyu/2018073015200844290.jpg?sign=d7683cdc7d2b019b394840e4787774b5&t=62d4eb96" />
A、The default administrative distance has been changed.
B、IS - IS is not enabled.
C、Three physical interfaces are taking part in integrated IS - IS.
D、IS - IS is not redistributing any oth er routing protocols.
E、There are two neighboring routers sending IS - IS routing information.
F、Address summarization is configured.