Which of the following statements about the BFD echo function are true? (Choose three.)

Question

Ankit Parimi · Accepted Answer

The local system sends a series of BFD Echo packets, and the remote system loops the packets back through its forwarding channel.

Ankit Parimi · Accepted Answer

The echo function can work together with the asynchronous or demand detection mode.

Ankit Parimi · Accepted Answer

The echo function can take the place of fault detection by sending BFD control packets.

Ankit Parimi · Answer

If the local system receives several consecutive Echo packets, it advertises a session Down event.

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