A customer wants to deploy the Cisco Business Ready Teleworker solution, but is currently using a traditional (non-IP) PBX for voice services. What would you recommend to this customer?()
A. Deployment of Business Ready Teleworker with VoIP is not recommended.
B. The customer’s existing PBX must first be replaced with Cisco IP Telephony solution.
C. Business Ready Teleworker and Cisco IP Telephony can be deployed in parallel to the existing PBX, integrating the two with trunking.
Deployment is recommended only for full-time Teleworkers who have no other corporate phone.
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影响大气污染物浓度的气象因素包括()
A. 气温、气流、气压、辐射
B. 气温、气流、气湿、天气状况
C. 气温、气压、空气离子、天气状况
D. 气温、气流、气压、气湿
E. 气温、气流、太阳辐射、空气离子
红外成像检漏测试对环境有何要求()。
A. 风速一般不大于5m/s
B. 无雾
C. 风速一般不大于6m/s
D. 天气晴朗