单选题In which mode are users allowed to configure the device， including interfaces， protocols， user access， and system hardware properties？（）A priviledged modeB configuration modeC monitoring modeD operational mode
题目
单选题
In which mode are users allowed to configure the device， including interfaces， protocols， user access， and system hardware properties？（）
A
priviledged mode
B
configuration mode
C
monitoring mode
D
operational mode