Dell-EMC
D-ISM-FN-23 · Question #337
A Fibre Channel switch has eight ports and all ports must be operational 24 hours 7 days. However, a failure of Port 5 occurs on a particular week as follows: Monday = 11 AM to 3 PM Thursday = 6 AM…
The correct answer is A. 91.6%. IA = Downtime/(DownTime+Uptime) = 154/168 =0.916 X 100 = 91.6%
Storage Networking Technologies
Question
A Fibre Channel switch has eight ports and all ports must be operational 24 hours 7 days. However, a failure of Port 5 occurs on a particular week as follows:
Monday = 11 AM to 3 PM Thursday = 6 AM to 11 AM Saturday = 11 AM to 4 PM What is the availability of Port 5 in that week?
Options
- A91.6%
- B94.6%
- C95%
- D90%
How the community answered
(32 responses)- A75% (24)
- B16% (5)
- C6% (2)
- D3% (1)
Explanation
IA = Downtime/(DownTime+Uptime) = 154/168 =0.916 X 100 = 91.6%
Topics
#availability calculation#Fibre Channel#port availability#uptime
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