Huawei
H12-411_V2.0 · Question #222
Which of the following statements about circuit breakers is correct? (Multiple choice)
The correct answer is A. Leakage protection circuit breaker is not recommended to be used at the front end of the UPS D. Circuit breakers play a dual role of isolation and protection in the system. See the full explanation below for the reasoning.
Question
Which of the following statements about circuit breakers is correct? (Multiple choice)
Options
- ALeakage protection circuit breaker is not recommended to be used at the front end of the UPS
- BWhen selecting circuit breakers, do not consider redundancy
- CIsolating switches and circuit breakers play the same role in the system
- DCircuit breakers play a dual role of isolation and protection in the system
How the community answered
(43 responses)- A70% (30)
- B12% (5)
- C19% (8)
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