单项选择题

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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单项选择题

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

单项选择题

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

单项选择题

A. Create an action plan
B. Implement and test a solution
C. Determine if anything has changed
D. Identity a probable cause