多选题HSRP. Known as Hot Stanclby Router Protocol, is a Cisco proprietarv redundancy protocol . As an experienced network administrator, you are required to configure HSRP on a XYZ network. Which TWO of the following wii be available and shared between the routers configured with HSRP? （）(Choose two.)Aa shared single interfaceBthe ability to track serial interfacesCUDP-based hello packetsDthe impact of flapping links if timers are too low
多选题
HSRP. Known as Hot Stanclby Router Protocol, is a Cisco proprietarv redundancy protocol . As an experienced network administrator, you are required to configure HSRP on a XYZ network. Which TWO of the following wii be available and shared between the routers configured with HSRP? （）(Choose two.)
A
a shared single interface
B
the ability to track serial interfaces
C
UDP-based hello packets
D
the impact of flapping links if timers are too low
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