Based on the exhibited output, which three statements are true?（）

• A、The route to 10.2.0.0/16 was redistributed into EIGRP.
• B、A default route has been redistributed into the EIGRP autonomous system.
• C、R1 is configured with the ip summary - address command.
• D、R1 is sourcing a n external EIGRP route from Null0.
• E、The router at 10.1.1.2 is configured with the ip default - network 0.0.0.0 command.
• F、R1 is configured with the variance command.