A Sys Admin Is Maintaining an Application on AWS

question 249

Multiple Choice

A sys admin is maintaining an application on AWS. The application is installed on EC2 and user has configured ELB and Auto Scaling. Considering future load increase, the user is planning to launch new servers proactively so that they get registered with ELB. How can the user add these instances with Auto Scaling?

• A) Decrease the minimum limit of the Auto Scaling group
• B) Increase the maximum limit of the Auto Scaling group
• C) Launch an instance manually and register it with ELB on the fly
• D) Increase the desired capacity of the Auto Scaling group

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Definitions:

Normal Distribution

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean. Also known as a bell curve.

Physical Fitness

The ability to perform aspects of sports, occupations, and daily activities without undue fatigue.

Standard Deviation

A measure of the dispersion or variability in a set of data points, representing the average distance from the mean.

Robustness

The ability of a statistical method or test to remain effective under a variety of conditions or assumptions, or when faced with violations of those assumptions.