SOA-C01 Exam Dumps : AWS Certified SysOps Administrator - Associate

An application running on Amazon EC2 allows users to launch batch jobs for data analysis. The jobs are run asynchronously, and the user is notified when they are complete. While multiple jobs can run concurrently, a user’s request need not be fulfilled for up to 24 hours. To run a job, the application launches an additional EC2 instance that performs all the analytics calculations. A job takes between 75 and 110 minutes to complete and cannot be interrupted.

What is the MOST cost-effective way to run this workload?

A financial service company is running distributed computing software to manage a fleet of 20 servers for their calculations. There are 2 control nodes and 18 worker nodes to run the calculations. Worker nodes can be automatically started by the control nodes when required. Currently, all nodes are running on demand, and the worker nodes are uses for approximately 4 hours each day.

Which combination of actions will be most cost-effective? (Select Two)

A company is managing a website with a global user base hosted on Amazon EC2 with an Application Load Balancer (ALB). To reduce the load on the web servers, a SysOps administrator configures an Amazon CloudFront distribution with the ALB as the origin After a week of monitoring the solution, the administrator notices that requests are still being served by the ALB and there is no change in the web server load.

What are possible causes tor this problem? (Select TWO.)