单选题What is one configuration method for loading a factory default configuration onto a J-series router？（）A load override resetB load factory-defaultC rollback factory-defaultD request system factory-default
题目
单选题
What is one configuration method for loading a factory default configuration onto a J-series router？（）
A
load override reset
B
load factory-default
C
rollback factory-default
D
request system factory-default