When applying the configuration in the exhibit and initializing a chassis cluster， which statement is correct？（） [edit chassis] user@host# show cluster { reth-count 3； redundancy-group 1 { node 0 priority 1； node 1 priority 100； } }

• A、Three physical interfaces are redundant.
• B、You must define an additional redundancy group.
• C、node 0 will immediately become primary for redundancy group 1.
• D、You must issue an operational command and reboot the system for the above configuration to take effect.