You are working at the help desk and you get a message that a user cannot access the Internet. You open a command prompt, ping the workstation's IP address, and get a response. You ask the user to try the Internet again. He does so with the same result- no connection. Which type of device is most likely to be the problem?
A. Physical layer device
B. Data Link layer device
C. Network layer device
D. Presentation layer device
Answer: C
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