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Exam DEA-1TT5 topic 1 question 78 discussion

Actual exam question from Dell's DEA-1TT5
Question #: 78
Topic #: 1
[All DEA-1TT5 Questions]

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?

  • A. 40 hours
  • B. 37 hours
  • C. 32 hours
  • D. 30 hours
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by yellowbuffalo at Feb. 24, 2023, 4:48 a.m.

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mo7amed_3id
9 months, 2 weeks ago
Selected Answer: B
B is a correct answer
upvoted 1 times
...
Axterix2612
1 year, 12 months ago
Selected Answer: B
B is correct
upvoted 1 times
...
Rv2190
2 years, 2 months ago
Selected Answer: B
111/3= 37
upvoted 1 times
...
rowstar19
2 years, 2 months ago
Selected Answer: B
24x5=120, 120-9=111, 111/3=37
upvoted 2 times
...
yellowbuffalo
2 years, 2 months ago
Selected Answer: A
25 X 5 = 120, 120/3 = 40 = MTBF
upvoted 2 times
Darky34
1 year, 7 months ago
MTBF is Uptime/ nb failures, Uptime is Total Time - downtime so answer is B ((24*5)-9 / 3)
upvoted 2 times
...
...
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