对于802.1x协议的工作原理描述错误的是（）。
A.ACS检测到新的MAC上线后就会发起EAP认证请求
B.若客户端已安装，则进行802.1x认证。认证通过后，PC和ACS之间建立HTTP链接，由ACS对PC机进行安全检查
C.若客户端没有安装，但配置了MAC旁路认证功能，则将用户MAC作为用户名和密码进行认证
D.若客户端没有响应，达到一定次数后认为未安装客户端软件，此时关闭用户权限
参考答案：A, D
| 用方框中所给词语的适当形式填空，使短文正确、通顺、连贯(每词限用一次)。 | |
Today was the first day of my new life. I 1 my new school uniform and looked at my new books and checked 2 for the new school year. I was worried and excited 3 . I was excited for I had expected this day for a long time. I am a student of senior middle school now. I was worried 4 I was in a new school. I didn't quite know about the teachers and students here. I was afraid that I couldn't 5 well with them. Would I get new friends? What would the other kids think of me? Would I get good 6 ? Would I please the teachers? Would I be 7 for the next three years here? I really wanted 8 a good beginning when I made my first step to this wonderful school. Everyone was 9 sweet to me. Teachers were kind and ready to help us. I soon forgot my shyness and nervousness. I felt at home. At the end of today, I didn't have any shyness and 10 I believe I will have lots of fun and happiness from today on at this new school. |