Which diagnostic command you can use to show interface-specific SLA logs for the last 10 minutes?

An administrator is troubleshooting VoIP quality issues that occur when calling external phone numbers. The SD-WAN interface on the edge FortiGate is configured with the default settings, and is using two upstream links. One link has random jitter and latency issues, and is based on a wireless connection.
Which two actions must the administrator apply simultaneously on the edge FortiGate to improve VoIP quality using SD-WAN rules? (Choose two.)

Refer to the exhibit.

Which two statements about the status of the VPN tunnel are true? <Choose two )

What would best describe the SD-WAN traffic shaping mode that bases itself on a percentage of available bandwidth?

What are two reasons why FortiGate would be unable to complete the zero-touch provisioning process? (Choose two.)