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【单选题】
下面哪个选项正确描述了网络拓扑?A.
网络拓扑定义于计算机、打印机、网络设备及其他设备的连接方式
B.
网络既可以有物理拓扑，也可以有逻辑拓扑。
C.
物理拓扑定义了信号从网络上某个点传输到另一个点所采用的路径。
D.
逻辑拓扑主义设备和介质的布局。
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皮皮学刷刷变学霸
举一反三
【简答题】阅读理解。 One day Mozart, a great musician, saw an old man sitting in a street corner (角落) with a hat in front of him. The old man could see __ 1 __ because he was blind (瞎的). He was playing the violin. I...
【简答题】Mr. Turner liked fishing. It was his favorite sport. He often fished for hours without catching anything. But this did not worry him. Some fishermen couldn’t catch fish. Sometimes they caught old boot...
【单选题】An eleven-year-old boy in a small town wanted to be a driver. But he was born without arms (手臂). His uncle taught him to usa his fuel as hands. He couldn't go to school so he spent all his time watchi...
A.
a plane driver
B.
a train driver
C.
a teacher
【简答题】阅读理解。 Mr Turner liked fishing. It was his favorite sport. He often fished for hours without catching anything. But this did not worry him. Some fishermen couldn't catch fish. Sometimes they caught old...
【简答题】One day Mozart, a great musician, saw an old man sitting in a street corner (角落) with a hat in front of him. The old man could see 41__________ because he was blind (瞎的). He was playing the violin. It...
【简答题】B He was an old man who fished alone in a boat in the Gulf Stream and he had gone eighty-four days now without taking a fish. In the first forty days a boy had been with him. But after forty days with...
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