When you pick up your telephone and dial a friend who lives across the country, your call will be routed through one or more ________ switches, which are the interface between networks and between switches.

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The Answer of When you pick up your telephone and dial a friend who lives across the country, your call will be routed through one or more ________ switches, which are the interface between networks and between switches.

When You Pick Up Your Telephone and Dial a Friend