A.aironetB.small multi proC.small business proD.small b……

单项选择题Which device is used in wireless networks to send transmissions to a target area?（）

A.Optical fiber
B.Access point
C.Omni-directional antenna
D.Directional antenna

单项选择题If A customers needed to load-balance across multiple data center. which Cisco product would the customer consider?（）

A.ACE Global Site Selector
B.Site Balancer
C.ISR Wide Area Acceleration Server
D.Nexus Site Balancer
E.ASR Virtual Balanced Network

单项选择题Is an open standard promotes interoperability among the wireless client adapters and dial-in servers from different vendors.（）

A.WEP
B.HTTP
C.SSID
D.EAP

多项选择题Internet Protocol videoconferencing (IP VC) provides which two business benefits? （）

A.Reduced travel time for instructors responsible for different geographic sites
B.Real-time discussions of patient information among remote medical teams
C.Improved morale and reduced turnover among employees who receive timely business updates
D.Increased sales and customer satisfaction due to current product information disseminated simultaneously to a global sales force by headquarters

单项选择题How does a switch respond when it receives a message?（）

A.It reads the Layer-5 information and sends the message directly to the intended computer.
B.It reads the Media Access Control (MAC) address and broadcasts the message to all the computers that are connected to the switch.
C.It reads the Media Access Control (MAC) address and sends the message directly to the intended computer.
D.It reads the Layer-5 information and broadcasts the message to all the computers that are connected to the switch.