Refer to the exhibit. On the basis of the output, what two conclusions can be reached?（）

• 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.