Under the RIP process of Huawei equipment, declared network 10.1.1.1/30, which of the following configuration is correct? ( ) (Multiple choice)

Under the RIP process of Huawei equipment, declared network 10.1.1.1/30, which of the following configuration is correct? ( ) (Multiple choice)
A . network 10.1.1.0
B . undo summary
network 10.1.1.0
C . Version 2
summary
network 10.0.0.0
D . undo summary
network 10.1.0.0
E . network 10.0.0.0

Answer: CE