问题
单项选择题
下面关于QinQ描述错误的是？（）
A.QinQ报文在公网中报文根据外层VLANTag传播。
B.QinQ报文在公网中报文根据内层VLANTag传播。
C.QinQ为用户提供了一种更为简单的二层VPN隧道。
D.QinQ不需要信令协议的支持，可以通过纯静态配置实现。
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
下面关于QinQ描述错误的是？（）
A.QinQ报文在公网中报文根据外层VLANTag传播。
B.QinQ报文在公网中报文根据内层VLANTag传播。
C.QinQ为用户提供了一种更为简单的二层VPN隧道。
D.QinQ不需要信令协议的支持，可以通过纯静态配置实现。
参考答案：B
阅读短文，用方框中所给单词的适当形式填空，使短文意思通顺、完整。每空限填一词，其中有两个词是多余的。
 March 5 is“Lei Feng Day”. It started fifty years ago. Now half a 小题1: has passed. Is the spirit of Lei Feng outdated? Some people have 小题2: us that it is not. But people have also changed the ways in which they help others.Zhao has been a volunteer for 18 years. She still 小题3: her experience at an old people`s home several years ago. An old man held her hand and said,“You don`t need to anything for 小题4:. Seeing young people here is all we need. ”Those words made Zhao 小题5: in what ways can we better help people? Besides Zhao,other people have shown their 小题6: of the spirit of Lei Feng. Last January ,“noodle fever” swept Zhengzhou, Henan. One local man, Li Gang , said in his post that he had a 小题7: illness and needed lots of money for an operation. However, what he asked for wasn`t charity, 小题8:for more people to come to eat noodles at his restaurant. Li’s post spread 小题9:. Soon his restaurant was filled 小题10:customers(顾客) every day and Li was able to afford to have his operation on February 2. In this way, people could help Li without hurting his dignity(自尊)。 |