单选题A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）APower cycle the VPN concentrator at the office.BDetermine if the VPN service is running at the office.CReinstall the VPN client at the remote computer.DDetermine if the user has the correct VPN address and password.
单选题
A remote user cannot connect to the office via VPN. The user has established Internet connectivity. Which of the following is the MOST likely next step in troubleshooting?（）
A
Power cycle the VPN concentrator at the office.
B
Determine if the VPN service is running at the office.
C
Reinstall the VPN client at the remote computer.
D
Determine if the user has the correct VPN address and password.
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