About the configuration of S1 and X2 interface in OMC, which statement is RIGHT ________
A.Both S1 and X2 configuration are done by hanD、
B.Both S1 and X2 configuration are done by OMC automatically.
C.Only S1 interface configuration are done by hanD、 OMC can configure X2 automatically.
D.Only X2 interface configuration are done by hanD、 OMC can configure S1 automatically.
正确答案是A