An environment has an Auto Scaling group across two Availability Zones to as AZ-a and AZ-b has four instances, and AZ-b has three EC2 instances. The Auto Scaling group uses a default termination policies. None of the instances are protected from a scale-in event. How will Auto Scaling processed if there is a scale-in event?
A. Auto Scaling selects an instance to terminate randomly.
B. Auto Scaling terminates the instance with the oldest launch configuration of all instances.
C. Auto Scaling selects the Availability Zone with four EC2 instances, and then continues to evaluate.
D. Auto Scaling terminates the instance with the closed next billing hour of all instances.
A company has a build server that is in an Auto Scaling group and often has multiple Linux instances running. The build server requires consistent shared NFS storage for jobs and configurations. Which storage option should a solution architect recommend?
A. Amazon S3
B. Amazon FSx
C. Amazon Elastic Block Store (Amazon EBS)
D. Amazon Elastic File System (Amazon EFS)
A company is running a multi-tier ecommerce web application in the AWS Cloud The web application is running on Amazon EC2 instances. The database tier Is on a provisioned Amazon Aurora MySQL DB cluster with a writer and a reader in a Multi-AZ environment. The new requirement for the database tier is to serve the application to achieve continuous write availability through an Instance failover.
What should a solutions architect do to meet this new requirement?
A. Add a new AWS Region to the DB cluster for multiple writes
B. Add a new reader In the same Availability Zone as the writer.
C. Migrate the database tier to an Aurora multi-master cluster.
D. Migrate the database tier to an Aurora DB cluster with parallel query enabled.
A company runs an application on three very large Amazon EC2 instances In a single Availability Zone in the us-east-1 Region Multiple 16 TB Amazon Elastic Block Store (Amazon EBS) volumes are attached to each EC2 instance. The operations team uses an AWS Lambda script triggered by a schedule-based Amazon EventBridge (Amazon CloudWatch Events) rule to stop the instances on evenings and weekends, and start the instances on weekday mornings. Before deploying the solution, the company used the public AWS pricing documentation to estimate the overall costs of running this data warehouse solution 5 days a week for 10 hours a day. When looking at monthly Cost Explorer charges for this new account, the overall charges are higher than the estimate. What is the MOST likely cost factor that the company overlooked?
A. EC2 data transfer charges between the instances are much higher than expected.
B. EC2 and EBS rates are higher in us-east-1 than most other AWS Regions
C. The Lambda charges to stop and start the instances are much higher than expected.
D. The company is being billed for the EBS storage on nights and weekends
A company hosts multiple production applications One of the applications consists of resources from Amazon EC2 AWS Lambda Amazon RDS Amazon Simple Notification Service (Amazon SNS>. and Amazon Simple Queue Service (Amazon SQS) across multiple AWS Regions All company resources are tagged with a tag name of "application" and a value that corresponds to each application A solutions architect must provide the quickest solution for identifying all of the tagged components
Which solution meets these requirements?
A. Use AWS CloudTrail to generate a list of resources with the application tag
B. Use the AWS CLI to query each service across all Regions to report the tagged components
C. Run a query in Amazon CloudWatch Logs Insights to report on the components with the application tag
D. Run a query with the AWS Resource Groups Tag Editor to report on the resources globally with the application tag
An application team has started using Amazon EMR to run batch jobs using datasets located in Amazon S3. During the initial testing of the workload a solutions architect notices that the account is starting to accrue NAT gateway data processing costs How can the learn optimize the cost of the workload?
A. Detach the NAT gateway from the subnet where the Amazon EMR clusters are running
B. Replace the NAT gateway with a customer gateway
C. Replace the NAT gateway with an S3 VPC endpoint
D. Configure a network ACL on the subnets where the Amazon EMR clusters are running to open access to Amazon S3
A company manages a data lake in an Amazon S3 bucket that numerous application share. The S3 bucket contain unique folders with a prefix for each application. The company wants to restrict each application to its specific folder and have more granular control of the objects in each folder.
Which solution met these requirements with the LEAST amount of effort?
A. Create dedicated S3 access points and access point policies for each application.
B. Create anS3 Batch Operations job to set the ACL permissions for each object in the S3 bucket.
C. Update theS3 S3 bucket policy to grant access to each application based on its specific folder in the S3 bucket.
D. Replicate the objects in the S3 bucket to new S3 buckets for each application. Create replication rules by prefix.
A team has an application that detects new objects being uploaded into an Amazon bucket. The upload a trigger AWS Lambda function to write metadata into an Amazon DynamoDB table and an Amazon RDS for PostgreSQL database. Which action should the team take to ensure high availability?
A. Enable Cross-Region Replication to ensure high availability
B. Create a Lambda function for each Availability Zone the application is deployed in
C. Enable Multi-AZ on the RDS PostgreSQL database.
D. Create a DynamoDB stream for the DynamoDB table
A company sells datasets to customers who do research in artificial intelligence and machine learning (AIMU. The datasets are large formatted files met are stored in an Amazon S3 bucket in the us-easl-1 Region. The company hosts a web application that the customers use to purchase access to a given dataset. The web application Is deployed on mutate Amazon EC2 instances behind an Application Load Balancer After a purchase is made customers receive an S3 signed URL that allows access to the files.
The customers are distributed across North America and Europe. The company wants to reduce the cost that is associated with data transfers and wants to maintain or improve performance
What should a solutions architect do to meet these requirements?
A. Configure S3 Transfer Accelerator on the existing S3 bucket Direct customer requests to the S3 Transfer Acceleration endpoint Continue to use S3 signed URLs tor access control
B. Deploy an Amazon CloudFront distribution with the existing S3 bucket as the origin Direct customer requests to the CloudFront URL Switch to CloudFront signed URLs for access control
C. Set up a second S3 Ducket in the eu-centtal-1 Region with S3 Cross-Region Replication between lite Duckets Direct customer requests to the closest Region. Continue to use S3 signed URLs for access control
D. Modify the web application to enable streaming of the datasets to and users Configure the web application to read the data from the existing S3 bucket implement access control directly in the application
A company has a web application hosted over 10 Amazon CC2 instances with traffic directed by Amazon Route 53. The company occasionally experiences a timeout error when attempting to browse the application. The networking team finds that some DNS queries return IP addresses of unhealthy instances, resulting in the timeout error.
What should a solutions architect implement to overcome these timeout errors?
A. Create a Route 53 simple touting policy record lot each EC2 instance Associate a hearth check with each record
B. Create a Route 53 failover routing policy record for each EC2 instance Associate a health check with each record
C. Create an Amazon CloudFront distribution with EC? instances as its origin Associate a health check with the EC2 instances D. Create an Application Load Balancer (ALB) with a health check in front of the EC2 instances Route to the ALB from Route 53
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