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【单选题】
实际情况下，除了考虑电波在自由空间中的传播损耗之外，还应考虑各种障碍物对电波传播所引起的损耗，通常这种损耗称为（ ）A.
衰落
B.
损耗
C.
绕射损耗
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反馈参考答案：
举一反三
【单选题】C4. Which of the following is a currently effective trade agreement?
A.
TPP Agreement
B.
NAFTA (North American Free Trade Agreement)
C.
GATT(General Agreement on Tariffs and Trade)
D.
European Union
【判断题】In client/server computing, the client is the user point of entry, whereas the server typically processes and stores shared data.
A.
正确
B.
错误
【单选题】C4. Currently, the world's second-biggest economy is_______.
A.
The US;
B.
The European Union;
C.
China;
D.
Japan
【单选题】When a client using the SERVER_ENCRYPT authentication type connects to a server using the SERVER authentication type, what happens?（）
A.
An error will occur.
B.
Data passed between the client and the server is encrypted.
C.
User IDs and passwords are passed to the server unencrypted.
D.
User IDs and passwords are encrypted before they are passed to the server.
【简答题】ZXONM E300网管系统软件中,Manager与Agent之间, 是, 是 Server;Manager与Database之间, 是, 是Server;Manager与GUI之间, 是, 是Server。
【单选题】In a client-server paradigm ( )
A.
both the server and the client must be running all the time.
B.
both the server and the client need to be running only when they are needed.
C.
the server must be running all the time but the client needs to be running only when it is needed.
D.
the client must be running all the time but the server needs to be running only when it is needed
【简答题】currently / you / on / working / are / W hat / ?
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