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Which of these statements best describes autoscaling?
Autoscaling is a scale-up/scale-down solution. It migrates an application to more powerful hardware during periods of high demand, and moves the application back to less powerful hardware when demand drops.
Autoscaling requires an administrator to actively monitor the workload on a system. If the workload increases and response times start to drop, the administrator can trigger autoscaling to help increase the throughput of the system.
Autoscaling is a scale-out/scale-in solution. The system can scale out when specified resource metrics indicate increasing usage and scale in when these metrics drop.
Autoscaling is an ideal solution for handling sudden bursts of activity that last for a few minutes.
Scaling up and scaling down provides better availability than autoscaling.
Autoscaling enables a system to predict the resources required to handle an increasing workload.
True
False
Which of the following scenarios is a suitable candidate for autoscaling?
The number of users requiring access to an application varies according to a regular schedule. For example, more users use the system on Fridays than on other days of the week.
The system experiences a sudden influx of requests that grinds your system to a halt. The workload has increased exponentially and there appears to be no reason for this surge of activity.
Over time, your service is becoming more popular, and you need to handle the increasing traffic.
Your organization is running a promotion and expects increased traffic to their website for the next couple of weeks. You want to ensure sufficient resources are available to handle the demand expected when the promotion starts.
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