Which actions should be taken to improve the performance of the website?

2026-03-28
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In: SOA-C01
With: 2 Comments

A company has an existing web application that runs on two Amazon EC2 instances behind an Application Load Balancer (ALB) across two Availability Zones.The application uses an Amazon RDS Multi-AZ DB Instance.Amazon Route 53 record sets route requests for dynamic content to the load balancer and requests for static content to an Amazon S3 bucket.Site visitors are reporting extremely long loading times.Which actions should be taken to improve the performance of the website? (Choose two.)Read More →

Which data transformation step should the data scientist take to improve the predictions of the model?

2026-03-28
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In: MLS-C01
With: 2 Comments

An online store is predicting future book sales by using a linear regression model that is based on past sales data.The data includes duration, a numerical feature that represents the number of days that a book has been listed in the online store.A data scientist performs an exploratory data analysis and discovers that the relationship between book sales and duration is skewed and non-linear.Which data transformation step should the data scientist take to improve the predictions of the model?Read More →

Which set of steps should the database specialist take to obtain this information?

2026-03-28
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In: DBS-C01
With: 2 Comments

A company is preparing to release a new application.During a load test on the application before launch, the company noticed that its Amazon RDS for MySQL database responded more slowly than expected.As a result, the application did not meet performance goals.A database specialist must determine which SQL statements are consuming the most load.Which set of steps should the database specialist take to obtain this information?Read More →

Which combination of actions will meet these requirements?

2026-03-28
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In: SOA-C02
With: 2 Comments

A company is running distributed computing software to manage a fleet of 20 Amazon EC2 instances for calculations.The fleet includes 2 control nodes and 18 task nodes to run the calculations.Control nodes can automatically start the task nodes.Currently, all the nodes run on demand.The control nodes must be available 24 hours a day, 7 days a week.The task nodes run for 4 hours each day.A SysOps administrator needs to optimize the cost of this solution.Which combination of actions will meet these requirements? (Choose two.)Read More →

Which application migration strategy meets this requirement?

2026-03-28
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In: SAP-C01
With: 2 Comments

A company is planning the migration of several lab environments used for software testing.An assortment of custom tooling is used to manage the test runs for each lab.The labs use immutable infrastructure for the software test runs, and the results are stored in a highly available SQL database cluster.Although completely rewriting the custom tooling is out of scope for the migration project, the company would like to optimize workloads during the migration.Which application migration strategy meets this requirement?Read More →