SOA-C01 (Page 3)

A company is running a popular social media site on EC2 instances.The application stores data in an Amazon RDS for MySQL DB instance and has implemented read caching by using an ElastiCache for Redis (cluster mode enabled) cluster to improve read times.A social event is happening over the weekend, and theSysOps Administrator expects website traffic to triple.What can a SysOps Administrator do to ensure improved read times for users during the social event?Read More →

An application resides on multiple EC2 instances in public subnets in two Availability Zones.To improve security, the Information Security team has deployed anApplication Load Balancer (ALB) in separate subnets and pointed the DNS at the ALB instead of the EC2 instances.After the change, traffic is not reaching the instances, and an error is being returned from the ALB.What steps must a SysOps Administrator take to resolve this issue and improve the security of the application? (Choose two.)Read More →

The networking team has created a VPC in an AWS account.The application team has asked for access to resources in another VPC in the same AWS account.The SysOps Administrator has created the VPC peering connection between both the accounts, but the resources in one VPC cannot communicate with the resources in the other VPC.What could be causing this issue?Read More →

A SysOps Administrator is troubleshooting an AWS CloudFormation template whereby multiple Amazon EC2 instances are being created.The template is working in us-east-1, but it is failing in us-west-2 with the error code:AMI [ami-12345678] does not existHow should the Administrator ensure that the AWS CloudFormation template is working in every region?Read More →

The Accounting department would like to receive billing updates more than once a month.They would like the updates to be in a format that can easily be viewed with a spreadsheet application.How can this request be fulfilled?Read More →

A company has an application that is running on an EC2 instance in one Availability Zone.A SysOps Administrator has been tasked with making the application highly available.The Administrator created a launch configuration from the running EC2 instance.The Administrator also properly configured a load balancer.What step should the Administrator complete next to make the application highly available?Read More →

A SysOps Administrator found that a newly-deployed Amazon EC2 application server is unable to connect to an existing Amazon RDS database.After enablingVPC Flow Logs and confirming that the flow log is active on the console, the log group cannot be located in Amazon CloudWatch.What are the MOST likely reasons for this situation? (Choose two.)Read More →

A SysOps Administrator must take a team’s single existing AWS CloudFormation template and split it into smaller, service-specific templates.All of the services in the template reference a single, shared Amazon S3 bucket.What should the Administrator do to ensure that this S3 bucket can be referenced by all the service templates?Read More →

A company creates custom AMI images by launching new Amazon EC2 instances from an AWS CloudFormation template.It installs and configures necessary software through AWS OpsWorks, and takes images of each EC2 instance.The process of installing and configuring software can take between 2 to 3 hours, but at times, the process stalls due to installation errors.The SysOps Administrator must modify the CloudFormation template so if the process stalls, the entire stack will fail and roll back.Based on these requirements, what should be added to the template?Read More →

A web application accepts orders from online users and places the orders into an Amazon SQS queue.Amazon EC2 instances in an EC2 Auto Scaling group read the messages from the queue, process the orders, and email order confirmations to the users.The Auto Scaling group scales up and down based on the queue depth.At the beginning of each business day, users report confirmation emails are delayed.What action will address this issue?Read More →