单项选择题
A.Router B.Hub C.Switch D.Bridge
An administrator is having a hard time adding a new swi...
单项选择题An administrator is having a hard time adding a new switch to the network. After verifying that allthe ports are configured correctly on each switch, which of the following should the administratorverily NEXT?（）
A. Straight-through cable is used to connect both switches B. Loopback plug is connected C. Crossover cable is used to connect both switches D. Cable is a rollover cable
Which of the following connectivity issues is likely to...
单项选择题Which of the following connectivity issues is likely to occur within a token ring network?（）
A. Crosstalk B. Broadcast storm C. Duplex mismatch D. Collision
An administrator is trying to isolate the location of a...
An administrator is trying to isolate the location of a persistent connectivity problem caused by a faulty NIC. Which of the following diagrams would assist the technician in finding the machine that is causing the problem?（）
A. Physical and logical network B. Physical network C. Logical network D. DHCP tables and DNS records
