單項選擇題On a Cisco Catalyst 4500 Series, the fail LED is lit for one if its two power supplies. Which command would you use to check on this problem ?()

A. Show module
B. Show errdisable detect
C. Show environment
D. Show diagnostic content


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As an experienced Network Engineer, you are required to implement the security architecture assessment.
Which of the following statement describes the most important reason for that?()

A. Create a design specification document.
B. Integrate routing and switching components.
C. Document power and UPS availability
D. Document the customer's current and future technology projects.

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