单项选择题

Your computer is unable to access external names or IP addresses. You need to connect to external Internet resources.
What should you do first?()

A.A
B.B
C.C
D.D

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单项选择题
You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do?()

A.A
B.B
C.C
D.D

单项选择题
Your portable computer has a Virtual Private Network (VPN) connection configured. You need to connect to the VPN. What should you do?()

A.A
B.B
C.C
D.D

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