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單項選擇題

Interior gateway protocols are used for resolving routes:（）。

A. Between networks
B. Within routers
C. Within networks
D. Between WAPs

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單項選擇題

At which of the following layers does the UDP protocol operate?（）

A.Layer 1
B.Layer 4
C.Layer 6
D.Layer 7

單項選擇題

Which of the following connector types is commonly identified by two rows of pins with four in onerow and five in the other?（）

A.DB-9
B.RJ-45
C.SC
D.BNC

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