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【简答题】
对于以1Gb/s速率运行的网络,延迟(而不是带宽)成为主要的限制因素。现在假设有一个城域网,其源主机和目的主机平均距离为20km。试问数据传输速率为 Mb/s 时,由于光速导致的往返实验RTT等于长为1KB分组的发送?已知光在光纤和铜导线中的传播速度大约为每毫秒200km。
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【简答题】The brain waves are the slowest during ____ A) stage 1 B) stage 2 and stage 3 C) stage 4 D) REM sleep 本题为单选题，
【单选题】From the information below, calculate the accounting break-even point. Initial investment: $2,000 Fixed costs are $2,000 per year Variable costs: $8 per unit Depreciation: $300 per year Price: $25 per...
A.
88 units per year
B.
89 units per year
C.
92 units per year
D.
136 units per year
【单选题】From: Harrison Gray To: Jim Myers Subject: Important Contract Hi Jim, How was your trip to Bali? I hope you feel invigorated again. As you know, we have entered into negotiations with Chengdu Company ...
A.
To announce the hiring of a new vice president
B.
To provide procedures for quality control
C.
To request that a visit to a plant be arranged
D.
To confirm the availability of construction supplies
【简答题】以G．J．Myers的观点，简述对软件测试的目的。
【单选题】The author's attitude towards Larry Myers' work is ______.
A.
cautious
B.
approving
C.
suspicious
D.
overenthusiastic
【单选题】Given the following information, calculate the present value break-even point. Initial investment: $2,000 Fixed costs: $2,000 per year Variable costs: $6 per unit Depreciation: $250 per year Price: $2...
A.
100 units per year
B.
143 units per year
C.
202 units per year
D.
286 units per year
【单选题】Advertising revenue is likely to be ( ) or even slide by no more than 5 per cent.广告收入可能会持平甚至会有不超过5个百分点的下降。
A.
fat
B.
flee
C.
flat
D.
fly
【单选题】Now, Jacoby & Myers is fighting for its______.
A.
non-lawyer partnership
B.
single ownership
C.
freedoms of speech and assembly
D.
clients' access to justice
【单选题】Even the slowest person on the playground can become a fast runner by learning and practicing running techniques.
A.
即使运动场上跑得最慢的人也可以通过学习和练习跑的技术成为跑的快的人。
B.
即使运动场上最慢的人也可以用学练跑步机成为快的跑者。
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