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D-ISM-FN-01 · Question #612

A Fibre Channel switch has eight ports and all ports must be operational from 8 AM to 8 PM, Monday through Friday. However, a failure of Port 7 occurs in the week as follows: - Monday = 11 AM to 12…

The correct answer is B. 83.3%. See the full explanation below for the reasoning.

Storage Management

Question

A Fibre Channel switch has eight ports and all ports must be operational from 8 AM to 8 PM, Monday through Friday. However, a failure of Port 7 occurs in the week as follows:

  • Monday = 11 AM to 12 PM
  • Wednesday = 4 PM to 9 PM
  • Thursday = 4 AM to 9 AM
  • Friday = 2 PM to6 PM
  • Saturday = 9 AM to 1 PM

What is the availability of Port 7 in that week?

Options

  • A75%
  • B83.3%
  • C80%
  • D68.3%

How the community answered

(51 responses)
  • A
    6% (3)
  • B
    80% (41)
  • C
    12% (6)
  • D
    2% (1)

Topics

#availability calculation#Fibre Channel#port uptime#operational metrics

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