| Exam 642-887 | Question id=3271 | MPLS/LDP in a Service Provider IP NGN Environment |
How many labels does an MPLS packet have, with a bottom-of-stack label set to zero?
| A. |
The packet has no label. | |
| B. |
The packet has one label. | |
| C. |
The packet may have one or more labels. | |
| D. |
The packet has at least two labels. |