皮皮学，免费搜题
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【单选题】
1#楼梯室内外出口处采用( )。A.
台阶
B.
坡道
C.
踏步
D.
图纸未表示
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
举一反三
【单选题】Sending a file from your personal computer's primary memory or disk to another computer is called
A.
uploading
B.
downloading
C.
logging on
D.
hang on
【单选题】A PC IS DOWNLOADING A LARGE FILE FROM A SERVER. THE TCP WINDOW IS 1000 BYTES. THE SERVER IS SENDING THE FILE USING 100-BYTE SEGMENTS. HOW MANY SEGMENTS WILL THE SERVER SEND BEFORE IT REQUIRES AN ACKNO...
A.
100 segments
B.
1 segment
C.
10 segments
D.
1000 segments
【简答题】1 Suppose two hosts, A and B, are separated by 10,000kilometers and are connected by a direct link of R=1Mbps. Suppose the propagation speed over the link is 2.5*10 8 meters/sec. Consider sending a fi...
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