单选题What is the functionality of redundant interfaces （reth） in a chassis cluster？（）Areth interfaces are used only for VRRP.Breth interfaces are the same as physical interfaces.Creth interfaces are pseudo-interfaces that are considered the parent interface for two physical interfaces.DEach cluster member has a reth interface that can be used to share session state information with the other cluster members.
单选题
What is the functionality of redundant interfaces （reth） in a chassis cluster？（）
A
reth interfaces are used only for VRRP.
B
reth interfaces are the same as physical interfaces.
C
reth interfaces are pseudo-interfaces that are considered the parent interface for two physical interfaces.
D
Each cluster member has a reth interface that can be used to share session state information with the other cluster members.
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