问题 填空题

一个使用UDP的应用程序要承担 【13】 方面的全部工作。

答案

参考答案:可靠性

解析: 由于UDP提供的是不可靠的无连接的传输服务,在传输过程中,UDP报文有可能会出现丢失、重复及乱序等现象。因此,一个使用UDP的应用程序要承担可靠性方面的全部工作。

阅读理解

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小题1:From "Elite Lessons" you can learn _____.

A.how to teach lessons in French or English

B.what the largest guitar contest in Canada is

C.more information about the Drummer Contest

D.skill in drumming that only a few people possess小题2:Since James is weak in French reading comprehension he may choose _____.

A.elite Lessons

B.private Tutoring

C.customized Tutoring

D.basic Lessons for Beginners小题3:How much shall you pay for a basic guitar lesson?

A.$14 an hour

B.$15 an hour

C.$19 an hour

D.$25 an hour小题4:The article can be found in _____.

A.daily news

B.education reports

C.telephone directories

D.classified advertisements

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