Which of the following statements about establishing CAPWAP control and data tunnels are false?

When both the AP and AC receive an Echo Response message, this indicates that a control tunnel has been established.

When both the AP and AC receive a Keepalive message, this indicates that a control tunnel has been established.

When the AP receives an Echo Response message, this indicates that a data tunnel has been established.

When the AP receives a Keepalive message, this indicates that a data tunnel has been established.