Huawei
H12-311_V3.0 · Question #362
Which of the following statements about reliability measurement is correct? (Multiple choice)
The correct answer is A. Usually, we use the two technical indicators of mean time between failures MTBF and mean time C. MTTR refers to the average time required for a system to recover from a failure D. The calculation formula of MTTR is: MTTR = fault detection time + hardware replacement time +. See the full explanation below for the reasoning.
WLAN Maintenance and Troubleshooting
Question
Which of the following statements about reliability measurement is correct? (Multiple choice)
Options
- AUsually, we use the two technical indicators of mean time between failures MTBF and mean time
- BMTBF refers to the average time required for a system to recover from a failure, usually in hours.
- CMTTR refers to the average time required for a system to recover from a failure
- DThe calculation formula of MTTR is: MTTR = fault detection time + hardware replacement time +
How the community answered
(39 responses)- A79% (31)
- B21% (8)
Topics
#MTBF#MTTR#reliability metrics#network availability
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