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单选题
Which of the following protocols enables a group of routers to form a single virtual router， and then use the real IP address of a router as the gateway address， as defined in RFC 2338？（）
A
Proxy ARP
B
HSRP
C
IRDP
D
VRRP
E
GLBP
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HSRPB
IRDPC
Proxy ARPD
GLBPE
VRRPF
None of the other alternatives apply
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单选题Which statement would prevent the sending of redundant route advertisements when your routereflector cluster is fully meshed?（）A
set protocols bgp group mygroup path-selection cisco-non-deterministic;B
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