Question 1

A city's weather forecast team is using Amazon DynamoDB in the data tier for an application. The applicationhas several components. The analysis component of the application requires repeated reads against a largedataset. The application has started to temporarily consume all the read capacity in the DynamoDB table andis negatively affecting other applications that need to access the same data.Which solution will resolve this issue with the LEAST development effort?

Options :

A : Use DynamoDB Accelerator (DAX).

B : Use Amazon CloudFront in front of DynamoDB.

C : Create a DynamoDB table with a local secondary index (LSI).

D : Use Amazon ElastiCache in front of DynamoDB.

Answer: A

Question 2

A company runs a web application that uses Amazon RDS for MySQL to store relational data. Data in thedatabase does not change frequently.A solutions architect notices that during peak usage times, the database has performance issues when it servesthe data. The company wants to improve the performance of the database.Which combination of steps will meet these requirements? (Select TWO.)

Options :

A : Integrate AWS WAF with the application.

B : Create a read replica for the database. Redirect read traffic to the read replica.

C : Create an Amazon ElastiCache (Memcached) cluster. Configure the application and the database to integrate with the cluster.

D : Use the Amazon S3 One Zone-Infrequent Access (S3 One Zone-IA) storage class to store the data that changes infrequently.

E : Migrate the database to Amazon DynamoDB. Configure the application to use the DynamoDB database.

Answer: B,C

Question 3

A company runs a MySQL database on a single Amazon EC2 instance.The company needs to improve availability of the database to prepare for power outages.Which solution will meet this requirement?

Options :

A : Add an Application Load Balancer (ALB) in front of the EC2 instance.

B : Configure EC2 automatic instance recovery to move the instance to another Availability Zone.

C : Migrate the MySQL database to Amazon RDS and enable Multi-AZ deployment.

D : Enable termination protection for the EC2 instance.

Answer: C

Question 4

A company runs a critical public application on Amazon Elastic Kubernetes Service (Amazon EKS) clusters.The application has a microservices architecture. The company needs to implement a solution that collects,aggregates, and summarizes metrics and logs from the application in a centralized location.Which solution will meet these requirements in the MOST operationally efficient way?

Options :

A : Run the Amazon CloudWatch agent in the existing EKS cluster. Use a CloudWatch dashboard to view the metrics and logs.

B : Configure a data stream in Amazon Kinesis Data Streams. Use Amazon Kinesis Data Firehose to read events and to deliver the events to an Amazon S3 bucket. Use Amazon Athena to view the events.

C : Configure AWS CloudTrail to capture data events. Use Amazon OpenSearch Service to query CloudTrail.

D : Configure Amazon CloudWatch Container Insights in the existing EKS cluster. Use a CloudWatch dashboard to view the metrics and logs.

Answer: D

Question 5

A financial services company has a two-tier consumer banking application. The frontend serves static web content. The backend consists of APIs. The company needs to migrate the frontendcomponent to AWS. The backend of the application will remain on-premises. The company must protect the application from common web vulnerabilities and attacks.

Options :

A : Migrate the frontend to Amazon EC2 instances. Deploy an Application Load Balancer (ALB) in front of the instances. Use the instances to invoke the on-premises APIs. Associate AWS WAF rules with the instances.

B : Deploy the frontend as an Amazon CloudFront distribution that has multiple origins. Configure one origin to be an Amazon S3 bucket that serves the static web content. Configure a second origin to route traffic to the on-premises APIs based on the URL pattern. Associate AWS WAF rules with the distribution.

C : Migrate the frontend to Amazon EC2 instances. Deploy a Network Load Balancer (NLB) in front of the instances. Use the instances to invoke the on-premises APIs. Create an AWS Network Firewall instance. Route all traffic through the Network Firewall instance.

D : Deploy the frontend as a static website based on an Amazon S3 bucket. Use an Amazon API Gateway REST API and a set of Amazon EC2 instances to invoke the on-premises APIs. AssociateAWS WAF rules with the REST API and the S3 bucket.

Answer: B

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