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

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Question # 49

A company has a serverless web application that is comprised of AWS Lambda functions. The application experiences spikes in traffic that cause increased latency because of cold starts. The company wants to improve the application's ability to handle traffic spikes and to minimize latency. The solution must optimize costs during periods when traffic is low.

Which solution will meet these requirements?

Configure provisioned concurrency for the Lambda functions. Use AWS Application Auto Scaling to adjust the provisioned concurrency.

Launch Amazon EC2 instances in an Auto Scaling group. Add a scheduled scaling policy to launch additional EC2 instances during peak traffic periods.

Configure provisioned concurrency for the Lambda functions. Set a fixed concurrency level to handle the maximum expected traffic.

Create a recurring schedule in Amazon EventBridge Scheduler. Use the schedule to invoke the Lambda functions periodically to warm the functions.

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Question # 50

A company has a three-tier web application. An Application Load Balancer (ALB) is in front of Amazon EC2 instances that are in the ALB target group. An Amazon S3 bucket stores documents.

The company requires the application to meet a recovery time objective (RTO) of 60 seconds.

Which solution will meet this requirement?

Replicate S3 objects to a second AWS Region. Create a second ALB and a minimum set of EC2 instances in the second Region. Ensure that the EC2 instances are shut down until they are needed. Configure Amazon Route 53 to fail over to the second Region by using an IP-based routing policy.

Use AWS Backup to take hourly backups of the EC2 instances. Back up the S3 data to a second AWS Region. Use AWS CloudFormation to deploy the entire infrastructure in the second Region when needed.

Create daily snapshots of the EC2 instances in a second AWS Region. Use the snapshots to recreate the instances in the second Region. Back up the S3 data to the second Region. Perform a failover by modifying the application DNS record when needed.

Replicate S3 objects to a second AWS Region. Create a second ALB and a minimum set of EC2 instances in the second Region. Ensure that the EC2 instances in the second Region are running. Configure Amazon Route 53 to fail over to the secondary Region based on health checks.

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Question # 51

A company has an application that uses a MySQL database that runs on an Amazon EC2 instance. The instance currently runs in a single Availability Zone. The company requires a fault-tolerant database solution that provides a recovery time objective (RTO) and a recovery point objective (RPO) of 2 minutes or less. Which solution will meet these requirements?

Migrate the MySQL database to Amazon RDS. Create a read replica in a second Availability Zone. Create a script that detects availability interruptions and promotes the read replica when needed.

Migrate the MySQL database to Amazon RDS for MySQL. Configure the new RDS for MySQL database to use a Multi-AZ deployment.

Create a second MySQL database in a second Availability Zone. Use native MySQL commands to sync the two databases every 2 minutes. Create a script that detects availability interruptions and promotes the second MySQL database when needed.

Create a copy of the EC2 instance that runs the MySQL database. Deploy the copy in a second Availability Zone. Create a Network Load Balancer. Add both instances as targets.

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Question # 52

A company wants to create a payment processing application. The application must run when a payment record arrives in an existing Amazon S3 bucket. The application must process each payment record exactly once. The company wants to use an AWS Lambda function to process the payments.

Which solution will meet these requirements?

Configure the existing S3 bucket to send object creation events to Amazon EventBridge. Configure EventBridge to route events to an Amazon Simple Queue Service (Amazon SQS) FIFO queue. Configure the Lambda function to run when a new event arrives in the SQS queue.

Configure the existing S3 bucket to send object creation events to an Amazon Simple Notification Service (Amazon SNS) topic. Configure the Lambda function to run when a new event arrives in the SNS topic.

Configure the existing S3 bucket to send object creation events to an Amazon Simple Queue Service (Amazon SQS) queue. Configure the Lambda function to run when a new event arrives in the SQS queue.

Configure the existing S3 bucket to send object creation events directly to the Lambda function. Configure the Lambda function to handle object creation events and to process the payments.

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Question # 53

A company is launching a new application that requires a structured database to store user profiles, application settings, and transactional data. The database must be scalable with application traffic and must offer backups.

Which solution will meet these requirements MOST cost-effectively?

Deploy a self-managed database on Amazon EC2 instances by using open-source software. Use Spot Instances for cost optimization. Configure automated backups to Amazon S3.

Use Amazon RDS. Use on-demand capacity mode for the database with General Purpose SSD storage. Configure automatic backups with a retention period of 7 days.

Use Amazon Aurora Serverless for the database. Use serverless capacity scaling. Configure automated backups to Amazon S3.

Deploy a self-managed NoSQL database on Amazon EC2 instances. Use Reserved Instances for cost optimization. Configure automated backups directly to Amazon S3 Glacier Flexible Retrieval.

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Question # 54

A global ecommerce company is planning to enhance its AWS data storage architecture to improve system availability and resilience.

The company handles millions of daily transactions in relational form. It stores unstructured data in the form of images over 4 MB in size.

The solution must provide continuous operation in multiple geographic locations, minimize downtime/data loss, and support both transactional and unstructured data.

Which solution will meet these requirements?

Use Amazon RDS Multi-AZ deployments for transaction data. Use Amazon DynamoDB global tables for unstructured data.

Use an Amazon Aurora global database for transaction data. Use Amazon S3 with Cross-Region Replication for unstructured data.

Use Amazon DynamoDB global tables for both transaction data and unstructured data.

Use an Amazon Aurora global database for transaction data. Use Amazon Elastic File System (Amazon EFS) with Cross-Region Replication for unstructured data.

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Question # 55

A solutions architect is creating a data reporting application that will send traffic through third-party network firewalls in an AWS security account. The firewalls and application servers must be load balanced.

The application uses TCP connections to generate reports. The reports can run for several hours and can be idle for up to 1 hour. The reports must not time out during an idle period.

Which solution will meet these requirements?

Use a Gateway Load Balancer (GWLB) for the firewalls. Use an Application Load Balancer (ALB) for the application servers. Set the ALB idle timeout period to 1 hour.

Use a single firewall in the security account. Use an Application Load Balancer (ALB) for the application servers. Set the ALB idle timeout and firewall idle timeout periods to 1 hour.

Use a Gateway Load Balancer (GWLB) for the firewalls. Use an Application Load Balancer (ALB) for the application servers. Set the idle timeout periods for the ALB, the GWLB, and the firewalls to 1 hour.

Use a Gateway Load Balancer (GWLB) for the firewalls. Use an Application Load Balancer (ALB) for the application servers. Configure the ALB idle timeout period to 1 hour. Increase the application server capacity to finish the report generation faster.

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Question # 56

Question:

A company runs an application on several Amazon EC2 instances that store persistent data on an Amazon Elastic File System (Amazon EFS) file system. The company needs to replicate the data to another AWS Region by using an AWS managed service solution. Which solution will meet these requirements MOST cost-effectively?

Options:

Use the EFS-to-EFS backup solution to replicate the data to an EFS file system in another Region.

Run a nightly script to copy data from the EFS file system to an Amazon S3 bucket. Enable S3 Cross-Region Replication on the S3 bucket.

Create a VPC in another Region. Establish a cross-Region VPC peer. Run a nightly rsync to copy data from the original Region to the new Region.

Use AWS Backup to create a backup plan with a rule that takes a daily backup and replicates it to another Region. Assign the EFS file system resource to the backup plan.

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