When applying the configuration in the exhibit and init

单项选择题

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.

JN0-331