Two surge-protected power strips look alike, but one is rated 400 joules and the other 2,000 joules. What does the joule rating indicate?
Deux multiprises parafoudres se ressemblent, mais l'une est donnée pour 400 joules et l'autre pour 2 000 joules. Qu'indique la valeur en joules ?
Answers
AHow many devices can be plugged into the strip at the same timeLe nombre d'appareils que l'on peut brancher en même temps sur la multiprise
BHow long the strip can power devices during a power cutCombien de temps la multiprise peut alimenter les appareils pendant une coupure
CThe maximum wattage of equipment it can supplyLa puissance maximale des équipements qu'elle peut alimenter
DHow much surge energy it can absorb; higher means more protectionL'énergie de surtension qu'elle peut absorber ; plus elle est élevée, meilleure est la protection
The answer and explanation are in the full bank.
This question is one of 2,831 in the paid banks. Each comes with the correct answer and the reasoning behind it, not just a mark.
Unlock for 5,000 RWFMIFOTRA exam practicealigned to Practice set: Computer Hardware Issues·3 marks·Hard
More Hardware questions
- A user reports that their PC “is not working”. What should a technician do first?
- A monitor shows nothing. When forming a theory of probable cause, what should the technician check first?
- A technician confirms that a file server's failing disk is causing its errors. Replacing it will take the server offline for an hour. What is the next step in the troubleshooting method?
- After replacing a clogged CPU fan, the technician confirms the PC no longer overheats. What else belongs to this step before documenting?
- What is the final step of the standard troubleshooting method?
- A PC crashes randomly. A technician replaces the RAM, the power supply and the graphics driver all at once, and the crashes stop. What is wrong with this approach?
- A laptop with slow, grinding disk activity is going to the vendor for repair. What should be done before it leaves?
- A technician finds that a server under a vendor warranty has a faulty system board. Opening the chassis would void the warranty. What should they do?