题目内容 (请给出正确答案)
[主观题]

While troubleshooting a network connectivity problem, a Ezonexam technician observes stead

y link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the 7-layer OSI model does the problem most likely exist?

A. The data link layer

B. The application layer

C. The protocol layer

D. The access layer

E. The session layer

F. The network layer

G. None of the above

提问人:网友zjsunshine 发布时间:2022-01-07
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