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單項選擇題

Which of the following cable types has a MAXIMUM transmission speed of 10Mbps?（）

A. CAT6
B. CAT5
C. Single-mode fiber
D. CAT3

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單項選擇題

Which of the following layers is associated with the physical hardware address of a network node?（）

A.Layer 1
B.Layer 2
C.Layer 6
D.Layer 7

單項選擇題

Which of the following OSI model layers is used for logical addressing?（）

A. Physical
B. Transport
C. Network
D. Data link