What is a requirement for smart tunnels to function properly?

Refer to the exhibit. The customer can establish a Cisco AnyConnect connection without using an XML profile. When the host "ikev2" is selected in the AnyConnect drop down, the connection fails. What is the cause of this issue?
Where is split tunneling defined for IKEv2 remote access clients on a Cisco router?
Refer to the exhibit.
An engineer is troubleshooting a new GRE over IPsec tunnel. The tunnel is established but the engineer cannot ping from spoke 1 to spoke 2. Which type of traffic is being blocked?