SOA-C01

Recently several critical files were mistakenly deleted from a shared Amazon S3 bucket.A SysOps Administrator needs to prevent accidental deletions from occurring in the future by enabling MFA Delete.Once enabled, which bucket activities will require MFA authentication? (Choose two.)Read More →

A SysOps Administrator has an AWS Lambda function that stops all Amazon EC2 instances in a test environment at night and on the weekend.Stopping instances causes some servers to become corrupt due to the nature of the applications running on them.What can the SysOps Administrator use to identify these EC2 instances?Read More →

A company has Amazon EC2 instances that serve web content behind an Elastic Load Balancing (ELB) load balancer.The ELB Amazon CloudWatch metrics from a few hours ago indicate a significant number of 4XX errors.The EC2 instances from the time of these errors have been deleted.At the time of the 4XX errors, how can an Administrator obtain information about who originated these requests?Read More →

A SysOps Administrator is managing an application that runs on Amazon EC2 instances behind an Application Load Balancer.The instances run in an AutoScaling group across multiple Availability Zones.The application stores data in an Amazon RDS MySQL DB instance.The Administrator must ensure that that application stays available if the database becomes unresponsive.How can these requirements be met?Read More →

In order to optimize performance for a compute cluster that requires low inter-node latency, which feature in the following list should you use?Read More →

A new website will run on Amazon EC2 instances behind an Application Load Balancer.Amazon Route 53 will be used to manage DNS records.What type of record should be set in Route 53 to point the website’s apex domain name (for example, `company.com`) to the Application Load Balancer?Read More →

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?Read More →

A developer deploys an application running on Amazon EC2 by using an AWS CloudFormation template.The developer launches the stack from the console logged in as an AWS Identity and Access Management (IAM) user.When a SysOps Administrator attempts to run the same AWS CloudFormation template in the same AWS account from the console, it fails and returns the error:`The image id `˜[ami-2a69aa47]’ does not exist`What is the MOST likely cause of the failure?Read More →

An organization has hired an external firm to audit unauthorized changes on the company’s AWS environment, the external auditor needs appropriate access.How can this be accomplished?Read More →

You are running a web-application on AWS consisting of the following components an Elastic Load Balancer (ELB) an Auto-Scaling Group of EC2 instances running Linux/PHP/Apache, and Relational DataBase Service (RDS) MySQL.Which security measures fall into AWS’s responsibility?Read More →