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NCTI ROC II BOOK II FINAL Test 1
  • Exam (elaborations)

    NCTI ROC II BOOK II FINAL Test 1

  • When pressure testing a drop system to check for leakage, What must be done before applying the test signal? - The technician must isolate the drop system from the hybrid fiber/coax (HFC) network by disconnecting the drop at the distribution tap. Why do some leakage detection systems utilize a leakage carrier modulated with a tagging signal? - To avoid false detection of leaks. When all three sections of a pulse code modulator (PCM) are combined, what function can be performed? - · As an ...
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