Refer to the exhibit. The USER that is connecting an application on an Internet connection in AS 100 is facing these issues: - The USER lost the connection to t...

Refer to the exhibit. The USER that is connecting an application on an Internet connection in AS 100 is facing these issues:
- The USER lost the connection to the application during a failure between IG and R2.
- Router R2 configuration is lost due to a power outage.
- The application the USER is connecting to is hosted behind CE2.
What action resolves the issues on R3 and R4 routers?