| Exam 642-883 | Question id=3411 | BGP Routing in Service Provider Environments |
Which two statements about a transit AS are correct?
| A. |
A transit AS has eBGP connection(s) to only one external AS. | |
| B. |
Routes between ASs are always exchanged via eBGP. | |
| C. |
A transit AS uses an IGP like OSPF or ISIS to propagate the external networks within the transit AS. | |
| D. |
Core routers within a transit AS normally use default routing to reach the external networks. | |
| E. |
iBGP sessions can be established between non directly connected routers. |