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CIPT1 Chapter 9 Exam Questions with 100% Correct Answers
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CIPT1 Chapter 9 Exam Questions with 100% Correct Answers North American Numbering Plan (NANP) - answerThe NANP is based on a ten-digit dial plan that consists of three-digit area codes, three-digit exchanges (NXX), and four-digit subscriber numbers. What components does a dial plan consist of?...
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