单选题Where should you install the spare line module in a redundancy group?（）A last slot in the chassisB first slot in the chassisC lowest numbered slot in thegroupD highest numbered slot in the group
题目
单选题
Where should you install the spare line module in a redundancy group?（）
A
last slot in the chassis
B
first slot in the chassis
C
lowest numbered slot in thegroup
D
highest numbered slot in the group