Which three actions can you perform to establish the IPSec SA between the hub and spoke sites?

You are configuring a hub-and-spoke VPN topology between an SRX Series device deployed at the hub site and several devices at spoke sites. You have configured all the settings to establish the tunnel, but the IPSec SA has not yet established all configured proposals and policies match on both sides

Which three actions can you perform to establish the IPSec SA between the hub and spoke sites? (Choose three.)

A.
Enable VPN monitoring

B.
Initiate traffic from the spoke site to the hub site

C.
Configure the tunnel to establish immediately

D.
Configure dead peer detection

E.
Initiate traffic from the hub site to the spoke site