Amazon Web Services Related Exams
SOA-C01 Exam

A SysOps Administrator is maintaining an application that runs on Amazon EC2 instances behind an application Load Balancer (ALB). Users are reporting errors when attempting to launch the application. The administrator notices an increase in the httpcode_ELS_5xx_Count Amazon CloudWatch metric for the load balancer.
What is the possible cause for this increase?
A medical imaging company needs lo process large amounts of imaging data in real time using a specific instance type. The company wants to guarantee sufficient resource capacity for 1 year
Which action will meet these requirements in the MOST cost-effective manner?
A company's application infrastructure was deployed using AWS CloudFormation and is composed of Amazon EC2 instances behind an Application Load Balancer. The instances run an EC2 Auto Scaling group across multiple Availability Zones. When releasing a new version of the application, the update deployment must avoid DNS changes and allow rollback.
Which solution should a sysops administrator use to meet the deployment requirements for this new release?