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單項(xiàng)選擇題

Which of the following describes a secure connection over the Internet between two sites?（）

A. FTP
B. VLAN
C. VPN
D. HTTP

單項(xiàng)選擇題

Several users have recently been calling the helpdesk about a recent network outage. These calls have increased in the last hour and are all by different users calling about the same issue. Which of the following types of communication skills should the helpdesk technicians MOST likely exercise while answering each call? （）

A. Talk to co-workers while interacting with customers to help diagnose the issues
B. Be culturally sensitive
C. Provide each user with a complete, detailed report of the current outage status
D. Listen and do not interrupt a customer and then provide a brief status update