单项选择题
A technician needs to add network capacity. However, when plugging a second switch into the first switch, there is no link light.
Which of the following is the cause of this situation?（）
A. The switches are not stackable
B. The cable was not wired using 568A
C. The cable needs to be a crossover cable
D. The switches have IGMP snooping enabled
点击查看答案
相关考题
-
单项选择题
Which of the following wiring distribution components should be chosen to provide level integrateddiagnostic capabilities?（）
A. Vampire tap
B. Smart jack
C.Demarcation point
D. Programmable logic controller -
单项选择题
A demarcation point is usually installed and managed by which of the following providers?（）
A. Web host provider
B. VoIP company
C. Telephone company
D. Hardware manufacturer -
单项选择题
Prioritizing traffic between data and voice is defined as which of the following?（）
A. Caching engines
B. Proxy server
C. QoS
D. Load balancing
