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Question 158 - D-ISM-FN-23 discussion
An Ethernet switch has eight ports and all ports must be operational for 24hours from Monday through Friday. However, failures of Port 6 occur within the week as follows:
Tuesday = 6AM to 8AM
Thursday = 5PM to 10PM
Friday = 7AM to 9AM
What is the MTBF of Port 6?
A.
32 hours
B.
37 hours
C.
30 hours
D.
40 hours
Your answer:
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