Question 1

A company is building an innovative AI-powered traffic monitoring portal and uses AWS to host its cloud infrastructure. For the initial deployment, the application would be used by an entire city. The application should be highly available and fault-tolerant to avoid unnecessary downtime.

Which of the following options is the MOST suitable architecture that you should implement?

Options :

A : Launch an Auto Scaling group of EC2 instances on three Availability Zones. Attach an application load balancer to the Auto Scaling Group. Use an Amazon Aurora Multi-Master as the database tier. Use Route 53 and create an Alias record to point to the ELB.

B : Use DynamoDB as the database of the portal. Launch an Auto Scaling group of EC2 instances on four Availability Zones. Attach an application load balancer to the Auto Scaling Group. Use Route 53 and create an A record to point to the ELB.

C : Use ElastiCache for the database caching of the portal. Launch an Auto Scaling group of EC2 instances on four Availability Zones. Attach an application load balancer to the Auto Scaling Group. Use a MySQL RDS instance with Multi-AZ deployments configuration and Read Replicas. Use Route 53 and create a CNAME to point to the ELB.

D : Launch an Auto Scaling group of EC2 instances on two Availability Zones. Attach an application load balancer to the Auto Scaling Group. Use a MySQL RDS instance with Multi-AZ deployments configuration. Use Route 53 and create an A record to point to the ELB.

Answer: A

Question 2

A company is migrating its legacy .NET workload to AWS. The company has a containerized setup that

includes a base container image. The base image is tens of

gigabytes in size because of legacy libraries and other dependencies. The company has images for custom

developed components that are dependent on the base image.The company will use Amazon Elastic Container Registry (Amazon ECR) as part of its solution on AWS. Which solution will provide the LOWEST container startup time on AWS?

Options :

A :

Use Amazon ECR to store the base image and the images for the custom developed components. Use Amazon Elastic Container Service (Amazon ECS) on AWS Fargate to run the workload.

B :

Use Amazon ECR to store the base image and the images for the custom developed components. Use AWS App Runner to run the workload.

C :

Use Amazon ECR to store the images for the custom developed components. Create an AMI that contains the base image. Use Amazon Elastic Container Service (Amazon ECS) on Amazon EC2 instances that are based on the AMI to run the workload

D :

Use Amazon ECR to store the images for the custom developed components. Create an AMI that contains the base image. Use Amazon Elastic Kubernetes Service (Amazon EKS) on AWS Fargate with the AMI to run the workload.

Answer: C

Question 3

A company runs its sales reporting application in an AWS Region in the United States. The application uses an Amazon API Gateway Regional API and AWS Lambda functions to generate on-demand reports from data in an Amazon RDS for MySQL database. The frontend of the application is hosted on Amazon S3 and is accessed by users through an Amazon CloudFront distribution. The company is using Amazon Route 53 as the DNS service for the domain. Route 53 is configured with a simple routing policy to route traffic to the API Gateway API.

In the next 6 months, the company plans to expand operations to Europe. More than 90% of the database traffic is read-only traffic. The company has already deployed an API Gateway API and Lambda functions in the new Region.

A solutions architect must design a solution that minimizes latency for users who download reports.

Which solution will meet these requirements?

Options :

A : Use an AWS Database Migration Service (AWS DMS) task with full load to replicate the primary database in the original Region to the database in the new Region. Change the Route 53 record to latency-based routing to connect to the API Gateway API.

B : Use an AWS Database Migration Service (AWS DMS) task with full load plus change data capture (CDC) to replicate the primary database in the original Region to the database in the new Region. Change the Route 53 record to geolocation routing to connect to the API Gateway API.

C : Configure a cross-Region read replica for the RDS database in the new Region. Change the Route 53 record to latency-based routing to connect to the API Gateway API.

D : Configure a cross-Region read replica for the RDS database in the new Region. Change the Route 53 record to geolocation routing to connect to the API

Answer: C

Question 4

A company runs a live flight tracking service hosted on the AWS cloud. The application gets updated every 10 minutes with the latest flight information from every airline. The tracking website has a global audience and uses an Auto Scaling group behind an Elastic Load Balancer and an Amazon RDS database. A simple web interface is hosted as static content on an Amazon S3 bucket. The Auto Scaling group is set to trigger a scale-up event at 90% CPU utilization. The average load time of the web page is around 7 seconds but the management wants to bring it down to less than 3 seconds.

Which combination of options will make the page load time faster in the MOST cost-effective way? (Select TWO.)

Options :

A : Have CloudFront enable caching of re-usable content from your website.

B : Add a caching layer using Amazon ElastiCache Service to be used for storing sessions and frequent DB queries.

C : Replace your existing Auto Scaling group with the AWS Systems Manager State Manager which provides a more effective way to manage and scale your EC2 instances.

D : Scale more frequently by setting the scale up trigger of the Auto Scaling group to 30%.

E : Create a second installation in another region, and utilize Amazon Route 53-s latency-based routing feature to direct requests to the appropriate region.

Answer: A,B

Question 5

A company has created an OU in AWS Organizations for each of its engineering teams Each OU owns

multiple AWS accounts. The organization has hundreds of AWS accounts A solutions architect must design a

solution so that each OU can view a breakdown of usage costs across its AWS accounts. Which solution meets

these requirements?

Options :

A : Create an AWS Cost and Usage Report (CUR) for each OU by using AWS Resource Access Manager Allow each team to visualize the CUR through an Amazon QuickSight dashboard.

B : Create an AWS Cost and Usage Report (CUR) from the AWS Organizations management accountAllow each team to visualize the CUR through an Amazon QuickSight dashboard

C : Create an AWS Cost and Usage Report (CUR) in each AWS Organizations member account Allow each team to visualize the CUR through an Amazon QuickSight dashboard.

D : Create an AWS Cost and Usage Report (CUR) by using AWS Systems Manager Allow each team to visualize the CUR through Systems Manager OpsCenter dashboards

Answer: B

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