SAA-C03 Exam Dumps - AWS Certified Solutions Architect - Associate (SAA-C03)

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Question # 4

An application running on an Amazon EC2 instance in VPC-A needs to access files in another EC2 instance in VPC-B. Both VPCs are in separate AWS accounts. The network administrator needs to design a solution to configure secure access to EC2 instance in VPC-B from VPC-A. The connectivity should not have a single point of failure or bandwidth concerns.

Which solution will meet these requirements?

Set up a VPC peering connection between VPC-A and VPC-B.

Set up VPC gateway endpoints for the EC2 instance running in VPC-B.

Attach a virtual private gateway to VPC-B and set up routing from VPC-A.

Create a private virtual interface (VIF) for the EC2 instance running in VPC-B and add appropriate routes from VPC-A.

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Question # 5

A company hosts a serverless application on AWS. The application uses Amazon API Gateway, AWS Lambda, and an Amazon RDS for PostgreSQL database. The company notices an increase in application errors that result from database connection timeouts during times Of peak traffic or unpredictable traffic. The company needs a solution that reduces the application failures with the least amount of change to the code.

What should a solutions architect do to meet these requirements?

Reduce the Lambda concurrency rate.

Enable RDS Proxy on the RDS DB instance.

Resize the RDS DB instance class to accept more connections.

Migrate the database to Amazon DynamoDB with on-demand scaling.

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Question # 6

A company designed a stateless two-tier application that uses Amazon EC2 in a single Availability Zone and an Amazon RDS Multi-AZ DB instance New company management wants to ensure the application is highly available.

What should a solutions architect do to meet this requirement?

Configure the application to use Multi-AZ EC2 Auto Scaling and create an Application Load Balancer

Configure the application to take snapshots of the EC2 instances and send them to a different AWS Region.

Configure the application to use Amazon Route 53 latency-based routing to feed requests to the application.

Configure Amazon Route 53 rules to handle incoming requests and create a Multi-AZ Application Load Balancer

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Question # 7

A company runs a microservice-based serverless web application. The application must be able to retrieve data from multiple Amazon DynamoDB tables. A solutions architect needs to give the application the ability to retrieve the data with no impact on the baseline performance of the application.

Which solution will meet these requirements in the MOST operationally efficient way?

AWSAppSync pipeline resolvers

Amazon CloudFront with Lambda@Edge functions

Edge-optimized Amazon API Gateway with AWS Lambda functions

Amazon Athena Federated Query with a DynamoDB connector

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Question # 8

A solutions architect needs to design a highly available application consisting of web, application, and database tiers. HTTPS content delivery should be as close to the edge as possible, with the least delivery time.

Which solution meets these requirements and is MOST secure?

Configure a public Application Load Balancer (ALB) with multiple redundant Amazon EC2 instances in public subnets. Configure Amazon CloudFront to deliver HTTPS content using the public ALB as the origin.

Configure a public Application Load Balancer with multiple redundant Amazon EC2 instances in private subnets. Configure Amazon CloudFront to deliver HTTPS content using the EC2 instances as the origin.

Configure a public Application Load Balancer (ALB) with multiple redundant Amazon EC2 instances in private subnets. Configure Amazon CloudFront to deliver HTTPS content using the public ALB as the origin.

Configure a public Application Load Balancer with multiple redundant Amazon EC2 instances in public subnets. Configure Amazon CloudFront to deliver HTTPS content using the EC2 instances as the origin.

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