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

A.Cisco Voice and Video over VPN
B.Cisco Secure Access Control Server
C.Cisco NAC Appliance
D.Cisco Threats Response


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1.多項選擇題Which two ways does an integrated security solution reduce TCO? ()

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

2.多項選擇題Which are three challenges and trends that are driving the need for technology in the retail market? ()

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