单项选择题
A. Number of routes available. B. Number of router hops. C. Time that an advertised route is valid. D. Time to make a round trip.
An administrator has found interference on a network. W...
单项选择题An administrator has found interference on a network. Which of the following cable types is thenetwork MOST likely composed of?（）
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
