Amazon SOA-C02 Practice Test - Questions Answers, Page 38

An application uses an Amazon Aurora MySQL DB cluster that Includes one Aurora Replica The application's read performance degrades when there are more than 200 user connections. The number of user connections is approximately 180 on a consistent basis Occasionally, the number of user connections increases rapidly to more than 200

A SysOps administrator must implement a solution that will scale the application automatically as user demand increases or decreases.

Which solution will meet these requirements?

A company runs a single-page web application on AWS The application uses Amazon CloudFront lo deliver static content from an Amazon S3 bucket origin The application also uses an Amazon Elastic Kubemetes Service (Amazon EKS) duster to serve API calls

Users sometimes report that the website is not operational, even when monitoring shows that the index page is reachable and that the EKS cluster is healthy. A SysOps administrator must Implement additional monitoring that can delect when the website is not operational before users report the problem.

Which solution will meet these requirements?

A company needs to monitor the disk utilization of Amazon Elastic Block Store (Amazon EBS) volumes The EBS volumes are attached to Amazon EC2 Linux Instances A SysOps administrator must set up an Amazon CloudWatch alarm that provides an alert when disk utilization increases to more than 80%.

Which combination of steps must the SysOps administrator lake lo meet these requirements? (Select THREE.)

A SysOps administrator is investigating a company's web application for performance problems The application runs on Amazon EC2 instances that are in an Auto Scaling group. The application receives large traffic increases at random times throughout the day. During periods of rapid traffic increases, the Auto Scaling group is not adding capacity fast enough. As a result, users are experiencing poor performance.

The company wants to minimize costs without adversely affecting the user experience when web traffic surges quickly. The company needs a solution that adds more capacity to me Auto Scaling group for larger traffic increases than for smaller traffic increases.

How should the SysOps administrator configure the Auto Scaling group to meet these requirements?

A company runs an application on hundreds of Amazon EC2 instances in three Availability Zones The application calls a third-parly API over the public internet A SysOps administrator must provide the third party with a list of static IP addresses so that the third party can allow traffic from the application

Which solution will meet these requirements?

A company runs a high performance computing (HPC) application on an Amazon EC2 instance The company needs to scale this architecture to two or more EC2 instances. The EC2 instances wilt need to communicate with each other at high speeds with low latency to support the application.

The company wants to ensure that the network performance can support the required communication between the EC2 instances.

What should a SysOps administrator do to meet these requirements?

A company is uploading important files as objects to Amazon S3 The company needs to be informed if an object is corrupted during the upload

What should a SysOps administrator do to meet this requirement?

A SysOps administrator needs to ensure that an Amazon RDS for PostgreSQL DB instance has available backups The DB instance has automated backups turned on with a backup retention period of 7 days. However, no automated backups for the DB instance have been created in the past month.

What could be the cause of the lack of automated backups?

A company has a list of pre-appf oved Amazon Machine Images (AMIs) for developers lo use to launch Amazon EC2 instances However, developers are still launching EC2 instances from unapproved AMIs.

A SysOps administrator must implement a solution that automatically terminates any instances that are launched from unapproved AMIs.

Which solution will meet mis requirement?