Which Cisco support service product targets customers with up to 48 users on a network where voice communication is mission-critical to business operation?（）
- A、CiscoSMARTnet for SBCS
- B、Cisco Smart Care Service
- C、SMARTnet Partner Service
- D、Cisco Smart Foundation Service
- E、Cisco Technical Assistance Center
正确答案:A
答案解析:有
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