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.