单项选择题
A. UTP B. Fiber C. RG-6 D. STP
Which of the following cable types has a MAXIMUM transm...
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
Which of the following layers is associated with the ph...
单项选择题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
Which of the following OSI model layers is used for log...
单项选择题Which of the following OSI model layers is used for logical addressing?（）
A. Physical B. Transport C. Network D. Data link
