Historical data shows that on average, a server is likely to fail once every nine months.
A company has purchased 24x7, four hour hardware response to replace a server's failed hardware.
Additionally, the company can restore a server to its operational status within six hours from the time the failed hardware has been replaced.
Which of the following describes this scenario?
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A. B. C. D.A.
The scenario described in the question is that a company has purchased a 24x7, four-hour hardware response to replace failed server hardware. The company can restore a server to its operational status within six hours from the time the failed hardware has been replaced.
To answer the question, we need to understand some concepts related to server availability, service level agreements (SLAs), and mean time to repair (MTTR).
With these concepts in mind, let's analyze the answer options:
A. The company's MTTR is ten hours. The MTTR is the time required to repair a server, and in this scenario, the company can restore a server to its operational status within six hours from the time the failed hardware has been replaced. Therefore, option A is incorrect.
B. Individual servers have 99.999% uptime. Uptime refers to the amount of time a server is available and functioning properly. However, the question does not provide enough information to calculate the uptime of the servers. Therefore, option B is incorrect.
C. Service can be restored within four hours. The company has purchased a 24x7, four-hour hardware response to replace failed server hardware. This means that the company can respond to a hardware failure within four hours. However, the question states that the company can restore a server to its operational status within six hours from the time the failed hardware has been replaced. Therefore, option C is incorrect.
D. The operational SLA is six hours. This option correctly describes the scenario. The company can restore a server to its operational status within six hours from the time the failed hardware has been replaced. Therefore, the operational SLA (i.e., the time it takes to restore the service) is six hours.
In summary, the correct answer is D. The scenario describes an operational SLA of six hours.