题目内容：
Rate your level of proficiency with creating and managing users, computers, and groups in an ActiveDirectory environment, including troubleshooting computer accounts, user accounts, and user authentication issues. （）A. I am considered an expert on this. I have successfully done this multiple times without assistance or error. I train or supervise others on this activity. Others come to me when they have questions or need assistance with this.
B. I have successfully done this without assistance and with few errors, but I do not train or supervise others on this activity.
C. I am proficient at this. I have successfully done this on my own, but I occasionally require assistance for some types of problems encountered when doing this and/or occasionally make minor errors.
D. I have successfully done this with the assistance of others or specific instructions.
E. I am a novice. I have not done this yet or I am learning.
参考答案：