When BFD detection intervals at both ends are 30ms and 40ms.
Which of the following statement is true?
A . A BFD session can be set up. After the negotiation, the detection interval of 40ms is used.
B . A BFD session can be set up. After the negotiation, the detection interval of 30ms is used.
C . A BFD session can be set up, and packets are sent at respective intervals at both ends.
D . A BFD session cannot be established.
Answer: A