| Exam 640-878 | Question id=4918 | IP NGN Architecture |
Cisco IP NGN service providers can offer multiple services to their customers by using which type of technology in their core networks?
| A. |
ATM | |
| B. |
SONET/SDH | |
| C. |
Frame Relay | |
| D. |
IP/MPLS | |
| E. |
PBB |