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【多选题】
世界反法西斯四大指挥中心是( )A.
华盛顿
B.
伦敦
C.
重庆
D.
莫斯科
E.
南昌
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【简答题】简述TCP连接建立的三次握手过程。
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【单选题】According to the passage, hanging on the phone waiting for someone to pick up at the other end, you might ______.
A.
have a high concentration of mind
B.
feel very annoyed at the people on the other end
C.
feel time is somehow slowed down
D.
be unable to hear the dialing tone
【简答题】Early one morning the sub-inspector at a station at the other end of the town rang me. An elephant was damaging the town. Would I please come and do something about it? I did not know what I could do,...
【简答题】阅读理解 Early one morning the subinspector at a station at the other end of the town rang me. An elephant was damaging the town. Would I please come and do something about it? I did not know what I could...
【简答题】在TCP/IP协议中，TCP协议提供可靠的连接服务，采用三次握手建立一个连接。请简述三次握手的过程。
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A.
． ①②
B.
． ③④
C.
． ②③
D.
． ①④
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