_____ are point-to-point dedicated digital circuits provided by telephone companies.
A. T1 and T3 lines
B. Nodes
C. Optical carriers
D. Microwaves
Answer: A
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The value of a product can only be assessed relative to the next best alternative product
Indicate whether the statement is true or false
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a. informal b. formal c. email d. oral
Which of the following nations is not a member of the Mercado Commun del Ser Mercosul (Mercosul)?
A) Argentina B) Brazil C) Paraguay D) Ecuador