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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCNA系列认证 > CCNA(646-364)

单项选择题

Which statement best describes the benefits of Cisco Integrated Services Routers?()

A. In a single device,ISRs provide threat defense against attacks from hackers and viruses thatcan occur in the network.
B. In a single device,ISRs provide the framework to integrate and extend wired and wirelessnetworks.
C. In a single device ISRs provide concurrent security, voice, data, wireless and applicationoptimization services.
D. In a single device,ISRs provide the common fabric,functionality,and CLI across the network.

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