A technician is looking for an emergency connection solution not reliant on local data or power services. Which of the following should the technician implement?（）A、SatelliteB、ADSLC、ISDND、OC-3
A technician is looking for an emergency connection solution not reliant on local data or power services. Which of the following should the technician implement?（）
- A、Satellite
- B、ADSL
- C、ISDN
- D、OC-3
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