| Exam 642-887 | Question id=3208 | MPLS/LDP in a Service Provider IP NGN Environment |
Which two of the following statements are correct regarding LSPs?
| A. |
An LSP is created for every routing protocol entry. | |
| B. |
Each LSP is bidirectional, that is, packets traveling in the opposite direction use the same LSP. | |
| C. |
An IGP is used to populate routing tables in all routers in an MPLS domain. | |
| D. |
LDP is used to propagate labels and build LSPs. | |
| E. |
The FIB is used to forward MPLS-labeled packets down an LSP. |