Which two characteristics apply to Cisco Catalyst 6500 Series Switch supervisor redundancy using NSF？（）
- A、 independent of SSO
- B、 NSF combined with SSO enables supervisor engine load balancing
- C、 supported by RIPv2， OSPF， IS-IS， and EIGRP
- D、 supports IPv4 and IPv6 multicast
- E、 prevents route flapping
- F、 dependent on FIB tables
正确答案:E,F
答案解析:有
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