As customers deploy converged services across the business infrastructure， access routers must integrate security services and IP communications. Which router series extends intelligent networking to remote branches and offices？（）
- A、 Cisco 700 Series ISDN Access Routers
- B、 Cisco Integrated Services Routers
- C、 Cisco 3700 Series Multiservice Access Routers
- D、 Cisco 1700 Series Modular Access Routers
正确答案:B
答案解析:有
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