SOA-C02 (Page 29)

A company has an application that is running on Amazon EC2 instances in a VPC.The application needs access to download software updates from the internet.The VPC has public subnets and private subnets.The company’s security policy requires all EC2 instances to be deployed in private subnets.What should a SysOps administrator do to meet these requirements?Read More →

A development team created and deployed a new AWS Lambda function 15 minutes ago.Although the function was invoked many times, Amazon CloudWatch Logs are not showing any log messages.What is one cause of this?Read More →

A company is trying to connect two applications.One application runs in an on-premises data center that has a hostname of host1.onprem private.The other application runs on an Amazon EC2 instance that has a hostname of host1.awscloud private.An AWS Site-to-Site VPN connection is in place between the on-premises network and AWS.The application that runs in the data center tries to connect to the application that runs on the EC2 instance, but DNS resolution fails.A SysOps administrator must implement DNS resolution between on-premises and AWS resources.Which solution allows the on-premises application to resolve the EC2 instance hostname?Read More →

A SysOps administrator is managing a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an EC2 Auto Scaling group.The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.Which condition should be used with the alarm?Read More →

A company’s SysOps administrator manages a fleet of Windows Amazon EC2 instances that run in a single AWS account.The instances have a tag that includes a key of “OS” and a value of “Windows.” The company uses AWS Systems Manager to patch the instances.The company has installed the Amazon CloudWatch agent on the instances, but the configuration is inconsistent.The SysOps administrator needs to reconfigure every instance to use the same predefined CloudWatch configuration.Which combination of steps will meet these requirements? (Choose two.)Read More →

A web application runs on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an Auto Scaling group across multiple Availability Zones.A SysOps administrator notices that some of these EC2 instances show up as healthy in the Auto Scaling group but show up as unhealthy in the ALB target group.What is a possible reason for this issue?Read More →

A company wants to track its expenditures for Amazon EC2 and Amazon RDS within AWS.The company decides to implement more rigorous tagging requirements for resources in its AWS accounts.A SysOps administrator needs to identify all noncompliant resources.What is the MOST operationally efficient solution that meets this requirement?Read More →

A company’s architecture team must receive immediate email notification whenever new Amazon EC2 instances are launched in the company’s main AWS production account.‘What should a SysOps administrator do to meet this requirement?Read More →

An ecommerce company uses an Amazon ElastiCache for Memcached cluster for in-memory caching of popular product queries on the shopping site.When viewing recent Amazon CloudWatch metrics data for the ElastiCache cluster, the SysOps administrator notices a large number of evictions.Which of the following actions will reduce these evictions? (Choose two.)Read More →

A company runs a stateless application that is hosted on an Amazon EC2 instance.Users are reporting performance issues.A SysOps administrator reviews theAmazon CloudWatch metrics for the application and notices that the instance’s CPU utilization frequently reaches 90% during business hours.What is the MOST operationally efficient solution that will improve the application’s responsiveness?Read More →