有关HSRP操作哪三种说法是正确的？（）A、虚拟IP地址和虚拟MA+ K44C地址是活跃的HSRP主路由器上。B、该HSRP默认的计时器是3秒的hello间隔10秒失效时间。C、HSRP仅支持明文验证。D、该HSRP虚拟IP地址必须在不同的子网的路由器的同一个LAN接口上。E、该HSRP虚拟IP地址必须是相同LAN上的路由器的接口地址之一。F、最多HSRP支持255组每个接口，可实现负载均衡的管理形式。
有关HSRP操作哪三种说法是正确的？（）
- A、虚拟IP地址和虚拟MA+ K44C地址是活跃的HSRP主路由器上。
- B、该HSRP默认的计时器是3秒的hello间隔10秒失效时间。
- C、HSRP仅支持明文验证。
- D、该HSRP虚拟IP地址必须在不同的子网的路由器的同一个LAN接口上。
- E、该HSRP虚拟IP地址必须是相同LAN上的路由器的接口地址之一。
- F、最多HSRP支持255组每个接口，可实现负载均衡的管理形式。
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