问题 填空题

在通信网中,为了防止当发送能力大于接收能力时造成数据丢失的现象,要进行 【2】

答案

参考答案:流量控制

解析:

[分析]: 当发送方发送的速率较高时,按收方来不及处理或接收方缓冲区溢出时,会造成数据的丢失,因此要进行流量控制。

阅读理解
Usually we students are not fond of doing homework in vacations. But the following students have different feelings. Let’s have a look!
Lu Haobo, 15:
My homework for physics was recycling used batteries! It was tired but happy. I realized there were still lots of used batteries affecting our environment.
Sun Yuqing, 14
I felt so stressed when I cooked noodles for my parents, but that was my homework. My parents ate the noodles and praised my cooking skills. In fact, the noodles were not quite as delicious as they said. I understood what family love really is!
Zeng Chen, 13
The most interesting homework I’ve done is planting green beans. I planted five seeds and watered them twice a day. A week later, they all grew into beans. I learned that a good result always comes from great care.
Zhou Zihan,15
Our history teacher asked us to watch the film China 1911 during the vacation. I felt very happy about this. Not only did I feel relaxed, but also it was much more interesting than learning from books.
小题1:What do the four students think of their homework?
A.boringB.unfairC.dullD.useful and interesting
小题2:Which of the two students are of the same age?
A.Lu Haobo and Zhou ZihanB.Sun Yuqing and Zhou Zihan
C.Zeng Chen and Lu HaoboD.Sun Yuqing and Zeng Chen
小题3:Whose homework is to cook noodles?
A.Lu HaoboB.Sun YuqingC.Zeng ChenD.Zhou zihan
小题4:Which of the following statement is TRUE?
A.Lu Haobo felt tired and bored to collect the used batteries.
B.Sun Yuqing’s parents didn’t eat the noodles he made.
C.Zengchen didn’t finish planting the green beans.
D.Zhou Zihan thinks that it is really more interesting to learn from a film than from books.
小题5:Which is the best title for this passage?
A.Exciting houseworkB.Exciting homework
C.Boring houseworkD.Boring homework
单项选择题