On-Demand Resources and Value of Common Infrastructure Quiz

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SensationalNewton
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Which metric refers to the ability of a resource to grow without limits, although with certain maximum boundaries defined?

Elasticity

If a service provider is handling a high percentage of requests without human interaction, which metric is being assessed?

Automation

Which aspect of cloud monitoring evaluates the time period between detection of a service problem and its resolution?

Resolution time

In cloud computing, which metric assesses how quickly the provider responds as the consumer's resource load scales up and down?

<p>Agility</p> Signup and view all the answers

What does the Service-level violation rate metric measure in cloud services?

<p>Service-level violation rate</p> Signup and view all the answers

If a metric is concerned with how often the service is available, which aspect of cloud properties is being evaluated?

<p>Reliability</p> Signup and view all the answers

What is the main benefit of on-Demand Resources?

<p>Reduced overhead costs</p> Signup and view all the answers

Which of the following is NOT a value derived from Common Infrastructure according to the text?

<p>Higher variance in demand</p> Signup and view all the answers

What does the coefficient of variation (CV) measure?

<p>The ratio of standard deviation to mean</p> Signup and view all the answers

What can help a facility with fixed assets achieve higher utilization?

<p>Reducing the coefficient of variation</p> Signup and view all the answers

What happens to the coefficient of variation if demand is multiplexed from multiple sources?

<p>It decreases</p> Signup and view all the answers

What is a key factor in reducing the unserved demand as per the text?

<p>Multiplexing demand</p> Signup and view all the answers

What happens to the Coefficient of Variance (Cv) when n independent demands are added?

<p>It decreases by $1/n$</p> Signup and view all the answers

What is a common infrastructure challenge in the real world for cloud providers?

<p>Correlated demands</p> Signup and view all the answers

What is the impact of aggregating 100 workloads in terms of resource penalty?

<p>Resource penalty decreases to 10%</p> Signup and view all the answers

What is the statistical impact of perfectly correlated demands on aggregated demand?

<p>Mean and standard deviation both increase</p> Signup and view all the answers

What is a key benefit of location independence in cloud computing?

<p>Applications, services, and content come to us</p> Signup and view all the answers

What is a factor that can contribute to economies of scale for cloud providers?

<p>Using COTS computers and components</p> Signup and view all the answers

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