Which of these online services provides troubleshooting tools to augment services provided byCisco SMARTnet？（）

多项选择题Whatarethetwobenefitsofanyintelligentnetworkthatusesasystems-levelapproachto integrateapplicationsandservicesacrossaninfrastructure？（）

A. reduce complexity
B. reduced costs for all types of users
C. packet inspection at wire speed
D. QoS to the desktop
E. LAN encryption services

单项选择题Acustomerwantstodeployasingle-bandaccesspointforan802.11b gsolutionnow.withtheoptiontoupgradeto802.11a b gasnetworkrequirementschange.WhichCiscoaccesspoint seriesisbestsuitedforthisrequirement？（）

A. CiscoAironet 1000 Series products
B. CiscoAironet 1100 Series products
C. CiscoAironet 1130AG Series products
D. CiscoAironet 1200 Series products

单项选择题Whatallowsforahigherlevelofsystemsmanagementcapabilitythatreducestheriskofchangeaswellasmanagementandadministrativecosts？（）

A. policy control
B. active participation
C. systems-level approach
D. application and service optimization

多项选择题Fromsmallbusinessestolarge-scaleenterprises，whichtwobestdescribehowtheCiscoUnifiedWirelessNetworkreducesoveralloperationalexpenses？（）

A. extends networkQoS throughout the network
B. simplifies management of central or remotely locates access points
C. ensures implementation of the most recent security protocols
D. streamlines wireless LAN management
E. extends features for optical traffic network services

多项选择题InwhichtwowaysdoesanintegratedsecuritysolutionreduceTCO？（）

A. by enabling businesses to leverage investments in the network
B. by spending less time addressing attacks
C. by enforcing policy compliance
D. through admission control