What information is contained in an OSPF LSA header? (Choose two.)

Your network is multihomed to two ISPs. The BGP sessions are established; however, the ISP peers are not receiving any routes.
Which two statements are correct about troubleshooting your configuration? (Choose two.)

Referring to the exhibit, how is R1 learning the route from R2?

You must ensure that all routes in the 10.0.0/8 address range are not advertised outside of your AS. Which well-known BGP community should be assigned to these addresses to accomplish this task?

The connection between DC1 and DC2 is routed as shown in the exhibit.
In this scenario, which statement is correct?