单选题When adding a new user and assigning a role, which user role has "read only" rights to theconfiguration and operational states? （）A userB read_onlyC target_operatorD security_operator
题目
单选题
When adding a new user and assigning a role, which user role has "read only" rights to theconfiguration and operational states? （）
A
user
B
read_only
C
target_operator
D
security_operator