单项选择题

You are designing a strategy for adding the additional hardware necessary to support Contoso, Ltd. What should you do?()

A.Add a T1 Wan Link Between Chicago and San Francisco.
B.Add a T3 Wan Link Between Chicago and San Francisco.
C.Add a Basic ISDN Connection between Chicago and San Francisco.
D.Configure HighSpeed modems in Chicago and San Francisco to support demand-dial routing.

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