A router has two static routes to the same destination network under the same OSPF process. How does the router forward packets to the destination if the next-hop devices are different?

Refer to the exhibit. The router R1 is in the process of being configured. Routers R2 and R3 are configured correctly for the new environment. Which two commands must be configuredd on R1 for PC1 to communicate to all PCs on the 10.10.10.0/24 network? (Choose two.)
What are two examples of multifactor authentication? (Choose two.)
What are two protocols within the IPsec suite? (Choose two)