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ATT TEST 2 EXAM COMPLETE STUDY GUIDE AND TELECOMMUNICATIONS TECHNICAL REVIEW 2026

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ATT TEST 2 EXAM COMPLETE STUDY GUIDE AND TELECOMMUNICATIONS TECHNICAL REVIEW 2026

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ATT TEST 2 EXAM COMPLETE STUDY GUIDE
AND TELECOMMUNICATIONS TECHNICAL
REVIEW 2026

◉ In which direction does current flow?
Answer: Negative to positive


◉ Current is the ____ throughout whole circuit
Answer: Same


◉ 4 steps of troubleshooting
Answer: Analyze, check setup, calculate/measure, check results


◉ An open series component drops _____ volts
Answer: Applied


◉ Resistance is how much over open component?
Answer: Max or infinite


◉ Short provides how much resistance?
Answer: No resistance

, ◉ Shorts read how many volts?
Answer: 0 volts!!!


◉ Is current or volts the same at all points in parallel circuit?
Answer: Volts. Each branch reads applied volts


◉ Open components in parallel branch have how much current?
Answer: 0 A


◉ Current is (blank) with an open in parallel branch
Answer: Lowered


◉ What happens to current with a short in parallel branch?
Answer: Increases to MAX


◉ Opening what series-parallel component will cause amps to be 0?
Answer: Series component. Volts dropped across open


◉ Current (increases/decreases) if a parallel component opens in
series-parallel
Answer: Decreases

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