多选题You need to design router redundancy on the Company network. Which three protocols could be chosen for IP routing redundancy to protect against first-hop router failure？（）AGLBPBICMPCMSTPDHSRPEVRRPFNHRP
多选题
You need to design router redundancy on the Company network. Which three protocols could be chosen for IP routing redundancy to protect against first-hop router failure？（）
A
GLBP
B
ICMP
C
MSTP
D
HSRP
E
VRRP
F
NHRP
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