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【单选题】
首次千牛的最佳响应时间是( )。A.
6秒
B.
15秒
C.
30秒
D.
5秒
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反馈参考答案：
举一反三
【简答题】What are the five layers in the Internet protocol stack? What are the principal responsibilities of each of these layers?
【单选题】It is proved that the Sun is divided into five layers.
A.
Right
B.
Wrong
C.
Not mentioned
【简答题】Where do these people live? Watch the interviews and match the names with the information. Video Track 1-6-1.wmv a. lives in a small house with four bedrooms. b. lives in a house in Mexico City. c. li...
【判断题】The five layers of the OSI reference model can be divided into two categories: upper layers and lower layers.
A.
正确
B.
错误
【单选题】Why does Jonathan like green?
A.
He lives in Washington State, it often rains there. So everything is green, the trees are green, the plants are green.
B.
No reason.
【多选题】What are five of the seven layers that are found in the OSI model?（）
A.
application
B.
protocol
C.
session
D.
transport
E.
physical
F.
gateway
G.
data link
【单选题】Jonathan lives in ____.
A.
a small house with four bedrooms.
B.
a house in Mexico city
C.
a house with three different rooms and a kitchen
D.
a place with six rooms
【简答题】What are the five layers in the Internet protocol stack?
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