Cisco Unified Communications 500 Series for Small Business， a critical part of the Cisco SmartBusiness Communications System， is a unified communications solution for small businesses that provides voice， data， voicemail. For which technology the Cisco UC520 provides integrated WLAN connectivity to mobile clients？（）

多项选择题CiscoUnifiedCommunications500SeriesforSmallBusiness，acriticalpartoftheCiscoSmart BusinessCommunicationsSystem，isaunifiedcommunicationssolutionforsmallbusinessesthat providesvoice，data，voicemail.WhichthreefeaturesdoestheCiscoUC520support？（）

A. distributed routing
B. Cisco Unity Express
C. security， firewall and VPN
D. analog devices

多项选择题Youaremeetingwithacustomerwhoisconcernedaboutimprovingemployeeproductivity.WhataretwowaysthatyoushouldpositiontheCiscoSDNwiththiscustomer？（）

A. A Cisco Integrated Security Solution uses the Cisco UN to form a layered and integratednetwork of protection that enables the enforcement of security policies throughout theinfrastructure.
B. A Cisco Integrated Security Solution provides software tools that allow customers to centrallymanage their network security policies.
C. in contrast to point products， the Cisco SDN is a system of defense that leverages the ubiquitous sensing and control capabilities of the network. Each part communicates with the otherto strengthen protection across the entire infrastructure.
D. A Cisco Integrated Security Solution enables barriers that serve as both physical and virtualprotection against possible threats. Security barriers include firewalls， authentication products，access control products， and tunneling and encryption techniques.

单项选择题WhichtypeofsoftwarewouldtheCiscoCatalyst2950Seriesswitchesusetodeliverintelligent servicestonetworksthatrequireadditionalsecurity，advancedQoS，andhighavailability？（）

A. Enhanced Image
B. StandardImag
C. Cisco IOS software
D. Enhanced Multilayer Software Image

单项选择题Whichtypeofsecuritywillallowbusinessestofocusonachievingbusinessgoals？（）

A.point-product security
B.endpointsecurity
C.network infrastructure security
D.secure access and threat defense

单项选择题WhichprogramisfoundinTrainingandEventscontainsinformationaboutcertificationandadditionalCiscoeducationalresourcesthatenableyoutofurtheryourprofessionalopportunities？（）

A. PEC
B. Cisco Networking Academy Program
C. Cisco TAC
D. Cisco Partner Specializations Program