Cisco ISP Routers offer which three of these security benefits？ （Choose three.） （）
- A、 onboard VPN accelerator
- B、 events correlation and proactive response
- C、 high-performance AIM VPN modules
- D、 virtual firewall
- E、 Cisco lOS Firewall and lOS IPS
- F、 transparent firewall
正确答案:A,C,E
答案解析:有
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