MCQOPTIONS
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| 1. |
…………………is a core protocol used over the SONET/SDH backboneof the public switched telephone network (PSTN) and Integrated Services Digital Network (ISDN), but its use is declining in favour of All IP. |
| A. | Asynchronous Transfer Mode |
| B. | digital split |
| C. | ICT |
| D. | IPR |
| Answer» B. digital split | |