McqMate
| Q. |
In SONET, each synchronous transfer signal STS-n is composed of |
| A. | 2000 frames |
| B. | 4000 frames |
| C. | 8000 frames |
| D. | 16000 frames |
| Answer» C. 8000 frames | |
| Explanation: sonet defines the electrical signal as sts-n (synchronous transport signal level-n) and the optical signal as oc- n (optical carrier level-n). the building block of sonet is the sts-1/oc-1 signal, which is based on an 8-khz frame rate and operates at 51.84 mbps. | |
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