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單項選擇題

Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  (VRRP), 
which is being used in the Company network to provide redundancy?()

A. A VRRP group has one active and one or more standby virtual routers.
B. A VRRP group has one master and one or more backup virtual routers.
C. A VRRP group has one master and one redundant virtual router.
D. None of the other alternatives apply

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