A RIPv1 Response message includes which of the following fields?（）

单项选择题Which RIP message type is used to deliver route information to neighbors?（）

A.A
B.B
C.C
D.D

单项选择题Which RIP message type is used to ask neighbors for updates?（）

A.A
B.B
C.C
D.D

多项选择题What are three characteristics of RIPv1?（）

A.A
B.B
C.C
D.D
E.E

多项选择题What are three characteristics of RIPv2? （）

A.A
B.B
C.C
D.D
E.E

多项选择题What are three characteristics of RIP?（）

A.A
B.B
C.C
D.D
E.E