Information about Device Failures and Proactive Measures | Exam N10-007: CompTIA Network+

MTBF, MTTR, SLA, UPS - Understanding Device Failure Frequency and IT Proactive Measures | Exam N10-007: CompTIA Network+

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Question

Which of the following provides information about how often some devices fail so the IT department can take proactive measures?

A.

MTBF B.

MTTR C.

SLA D.

UPS.

A.

Explanations

Which of the following provides information about how often some devices fail so the IT department can take proactive measures?

A.

MTBF

B.

MTTR

C.

SLA

D.

UPS.

A.

The answer is A. MTBF.

MTBF stands for "mean time between failures." It is a measure of the expected lifespan of a device or system before it fails. By knowing the MTBF of a device, IT professionals can predict how often it will fail and take proactive measures to prevent or minimize downtime.

For example, if a device has an MTBF of 10,000 hours, the IT department can anticipate that the device will fail on average once every 10,000 hours of use. This information can help them schedule regular maintenance and replacements to avoid unexpected downtime.

MTTR, on the other hand, stands for "mean time to repair." It is a measure of how long it takes to fix a device or system after it has failed. SLA stands for "service level agreement," which is a contract between a service provider and a customer that specifies the level of service that will be provided. And UPS stands for "uninterruptible power supply," which is a device that provides backup power in the event of a power outage.

So, in summary, MTBF is the measure that provides information about how often some devices fail, so the IT department can take proactive measures.