Refer to the exhibit. What is a valid XML instances of this YANG module?

Refer to the exhibit.
Which NETCONF protocol operation is used to interact with the YANG model?
Which two API calls must be issued to attach a device template in Cisco SD-WAN? (Choose two.)
A company requires redundancy for its multihomed BGP external connections. What two features can be configured on the WAN routers to automate failover for both outbound and inbound traffic? (Choose two.)