You need to configure two Company routers for high availability. Which protocol enables a group of routers to form a single virtual router and use the real IP address of a router as the gateway address？ （）
- A、 HSRP
- B、 IRDP
- C、 Proxy ARP
- D、 GLBP
- E、 VRRP
- F、 None of the other alternatives apply
正确答案:E
答案解析:有
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