多项选择题
A. IPcelerate IPsmartSuite
B. Cisco Unified Communication 500 series
C. Catalyst Express
D. Cisco UnifiedCallConnector
E. Cisco Monitor Directory
F. Cisco 500 seriesphones
单项选择题 In which areas do SMBs tend to require better products than found in retail stores?（）
单项选择题 The Cisco UC520 provides integrated WLAN connectivity to mobile clients for which technology?（）
单项选择题 Which Cisco support service product targets customers with up to 48 users on a network where voice communication is mission-critical to business operation?（）