Program Explanation MTBF: Devices present in a network typically have a calculated MTBF, if a device fails continuously, then it is better to replace the device as advertised by MTBF. MTBF stands for the Mean Time Between Failures that tell about the average amount of time a device can last until its next failure occurs. Based on the advertised MTBF, vendors and technicians fix the budget for repairs or replacement of devices. Desired MTBF acts as a quantifiable objective for designing a new product. Explanation for the incorrect options: MTTR: MTTR stands for Mean Time to Repair that tells an average amount of time that is required to troubleshoot or repair the device. It includes the time required to find about the failure, diagnose the problem, and repair it. Data storage professionals use MTTR because they need a performance metric to ensure how efficiently they use the data storage resources. Hence, option “ A ” is wrong. UPS: UPS is stands for Uninterruptible Power Supply...

8th Edition

ISBN: 9781337671644

Author: ANDREWS

Publisher: CENGAGE LEARNING - CONSIGNMENT

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Expert Solution & Answer

Chapter C, Problem 58MC

Program Description Answer

A router was purchased and installed at the company’s satellite offices and there occurs some problem with the router. Therefore, the person planned to contact the technician to repair the router. Meanwhile, the person decided to replace the router when it fails the next time. The factor that should be investigated carefully to replace the next router is “MTBF”.

Hence, the correct answer is option “C”.

Expert Solution & Answer

Chapter C Solutions

EBK NETWORK+ GUIDE TO NETWORKS

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