Dell-EMC
D-ISM-FN-01 · Question #604
An Ethernet switch has eight ports and all ports must be operational for 24 hours from Monday through Friday. However, failures of Port 6 occur within the week as follows: - Tuesday = 6 AM to 8 AM…
The correct answer is B. 37 hours. See the full explanation below for the reasoning.
Storage System Environment
Question
An Ethernet switch has eight ports and all ports must be operational for 24 hours from Monday through Friday. However, failures of Port 6 occur within the week as follows:
- Tuesday = 6 AM to 8 AM
- Thursday = 5 PM to 10 PM
- Friday = 7 AM to 9 AM
What is the MTBF of Port 6?
Options
- A32 hours
- B37 hours
- C30 hours
- D40 hours
How the community answered
(30 responses)- A7% (2)
- B80% (24)
- C3% (1)
- D10% (3)
Topics
#MTBF#availability calculation#reliability metrics#failure analysis
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