Which two are elements of the operational-efficiency business challenge?（）

单项选择题Identity authentication, protocol encryption, secure guest access, voice over WLAN features, and a small device footprint are all highlights of what product in the wireless technology market?（）

A. wireless monitoring device
B. wireless LAN controller
C. wireless bridge
D. wireless management device
E. access point

单项选择题Increased productivity, minimized legal risks, and improvements in green operation can be easily linked to Cisco solutions in which technology area?（）

A. routing and switching
B. web collaboration
C. on the destination network, between the server and a router
D. eCommerce
E. voice
F. security

多项选择题Select the three foundational hardware components that comprise the Smart Business Communication System.（）

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?（）

A. voice, intranet, and security
B. wireless, intranet, and wide-area networking
C. wireless, security, and voice
D. security, voice, and wide-area networking

单项选择题The Cisco UC520 provides integrated WLAN connectivity to mobile clients for which technology?（）

A. voice only
B. data and voice
C. data only