You need to implement a high availability design in the Company routed network. Which protocol allows for the automatic selection and simultaneous use of multiple available gateways as well as automatic failover between those gateways？（）
- A、 VRRP
- B、 GLBP
- C、 IRDP
- D、 HSRP
- E、 None of the other alternatives apply
正确答案:B
答案解析:有
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