Which of the following is less vulnerable to threats and attacks because it is not associated with one specific operating system？（）

多项选择题WhichtwowaysdoesanintegratedsecuritysolutionreduceTCO？（）

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

多项选择题Whicharethreechallengesandtrendsthataredrivingtheneedfortechnologyintheretailmarket？（）

A.intense competition that is driven by the increased number of discounters
B.declining customer loyalty
C.compensating for staff shortages
D.changes in demographics
E.high operating costs
F.desire to offer Internet access in stores

单项选择题Inwhichofthesephasesisacustomerscurrentnetworkinfrastructureassessed？（）

A.plan
B.design
C.implement
D.prepare

单项选择题Anewclientofyoursisexperiencingagrowthspurt.TheclientsITstaffismakingnetworkchangesmanuallyand，asaconsequence，isextremelyoverworked，Yousuggesttheclientimplementanetworkmanagementsystem，citingwhichimportantbusinessbenefit？（）

A. potential for outsourcing the IT staff
B. provision of an out-of-band managementarchiteture
C. threat mitigation
D. reduction in network downtime

单项选择题Whycansecurityonhealthcarenetworksbeanimportantissueforcustomers？（）

A.offers a rapid return on investment
B.telecommuting
C.multiple network connections
D.legal mandates