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Exam (elaborations)
NCTI ROC II BOOK II FINAL Test 1
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---5August 20232023/2024A+
- 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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