A company wants to build a logging solution for its multiple AWS accounts. The company currently stores the logs from all accounts in a centralized account. The company has created an Amazon S3 bucket in the centralized account to store the VPC flow logs and AWS CloudTrail logs. All logs must be highly available for 30 days for frequent analysis, retained for an additional 60 days for backup purposes, and deleted 90 days after creation.
Which solution will meet these requirements MOST cost-effectively?
A. Transition objects to the S3 Standard storage class 30 days after creation. Write an expiration action that directs Amazon S3 to delete objects after 90 days.
B. Transition objects to the S3 Standard-Infrequent Access (S3 Standard-IA) storage class 30 days after creation. Move all objects to the S3 Glacier Flexible Retrieval storage class after 90 days. Write an expiration action that directs Amazon S3 to delete objects after 90 days.
C. Transition objects to the S3 Glacier Flexible Retrieval storage class 30 days after creation. Write an expiration action that directs Amazon S3 to delete objects after 90 days.
D. Transition objects to the S3 One Zone-Infrequent Access (S3 One Zone-IA) storage class 30 days after creation. Move all objects to the S3 Glacier Flexible Retrieval storage class after 90 days. Write an expiration action that directs Amazon S3 to delete objects after 90 days.
A solutions architect is reviewing the resilience of an application. The solutions architect notices that a database administrator recently failed over the application's Amazon Aurora PostgreSQL database writer instance as part of a scaling exercise. The failover resulted in 3 minutes of downtime for the application.
Which solution will reduce the downtime for scaling exercises with the LEAST operational overhead?
A. Create more Aurora PostgreSQL read replicas in the cluster to handle the load during failover.
B. Set up a secondary Aurora PostgreSQL cluster in the same AWS Region. During failover, update the application to use the secondary cluster's writer endpoint.
C. Create an Amazon ElastiCache for Memcached cluster to handle the load during failover.
D. Set up an Amazon RDS proxy for the database. Update the application to use the proxy endpoint.
A company is migrating its workloads to AWS. The company has transactional and sensitive data in its databases. The company wants to use AWS Cloud solutions to increase security and reduce operational overhead for the databases.
Which solution will meet these requirements?
A. Migrate the databases to Amazon EC2. Use an AWS Key Management Service (AWS KMS) AWS managed key for encryption.
B. Migrate the databases to Amazon RDS Configure encryption at rest.
C. Migrate the data to Amazon S3 Use Amazon Macie for data security and protection
D. Migrate the database to Amazon RDS. Use Amazon CloudWatch Logs for data security and protection.
A company has an online gaming application that has TCP and UDP multiplayer gaming capabilities. The company uses Amazon Route 53 to point the application traffic to multiple Network Load Balancers (NLBs) in different AWS Regions. The company needs to improve application performance and decrease latency for the online game in preparation for user growth.
Which solution will meet these requirements?
A. Add an Amazon CloudFront distribution in front of the NLBs. Increase the Cache-Control max-age parameter.
B. Replace the NLBs with Application Load Balancers (ALBs). Configure Route 53 to use latency-based routing.
C. Add AWS Global Accelerator in front of the NLBs. Configure a Global Accelerator endpoint to use the correct listener ports.
D. Add an Amazon API Gateway endpoint behind the NLBs. Enable API caching. Override method caching for the different stages.
A company uses Amazon API Gateway to run a private gateway with two REST APIs in the same VPC. The BuyStock RESTful web service calls the CheckFunds RESTful web service to ensure that enough funds are available before a stock can be purchased. The company has noticed in the VPC flow logs that the BuyStock RESTful web service calls the CheckFunds RESTful web service over the internet instead of through the VPC. A solutions architect must implement a solution so that the APIs communicate through the VPC.
Which solution will meet these requirements with the FEWEST changes to the code?
A. Add an X-API-Key header in the HTTP header for authorization.
B. Use an interface endpoint.
C. Use a gateway endpoint.
D. Add an Amazon Simple Queue Service (Amazon SQS) queue between the two REST APIs.
A company is building a game system that needs to send unique events to separate leaderboard, matchmaking, and authentication services concurrently. The company needs an AWS event-driven system that guarantees the order of the events.
Which solution will meet these requirements?
A. Amazon EventBridge event bus
B. Amazon Simple Notification Service (Amazon SNS) FIFO topics
C. Amazon Simple Notification Service (Amazon SNS) standard topics
D. Amazon Simple Queue Service (Amazon SQS) FIFO queues
A company hosts a three-tier web application that includes a PostgreSQL database. The database stores the metadata from documents. The company searches the metadata for key terms to retrieve documents that the company reviews in a report each month. The documents are stored in Amazon S3. The documents are usually written only once, but they are updated frequently.
The reporting process takes a few hours with the use of relational queries. The reporting process must not prevent any document modifications or the addition of new documents. A solutions architect needs to implement a solution to speed up the reporting process.
Which solution will meet these requirements with the LEAST amount of change to the application code?
A. Set up a new Amazon DocumentDB (with MongoDB compatibility) cluster that includes a read replica. Scale the read replica to generate the reports.
B. Set up a new Amazon Aurora PostgreSQL DB cluster that includes an Aurora Replica. Issue queries to the Aurora Replica to generate the reports.
C. Set up a new Amazon RDS for PostgreSQL Multi-AZ DB instance. Configure the reporting module to query the secondary RDS node so that the reporting module does not affect the primary node.
D. Set up a new Amazon DynamoDB table to store the documents. Use a fixed write capacity to support new document entries. Automatically scale the read capacity to support the reports.
A company is implementing a shared storage solution for a gaming application that is hosted in the AWS Cloud. The company needs the ability to use Lustre clients to access data. The solution must be fully managed.
Which solution meets these requirements?
A. Create an AWS DataSync task that shares the data as a mountable file system. Mount the file system to the application server.
B. Create an AWS Storage Gateway file gateway. Create a file share that uses the required client protocol. Connect the application server to the file share.
C. Create an Amazon Elastic File System (Amazon EFS) file system, and configure it to support Lustre. Attach the file system to the origin server. Connect the application server to the file system.
D. Create an Amazon FSx for Lustre file system. Attach the file system to the origin server. Connect the application server to the file system.
A company wants to analyze and troubleshoot Access Denied errors and Unauthorized errors that are related to IAM permissions. The company has AWS CloudTrail turned on.
Which solution will meet these requirements with the LEAST effort?
A. Use AWS Glue and write custom scripts to query CloudTrail logs for the errors.
B. Use AWS Batch and write custom scripts to query CloudTrail logs for the errors.
C. Search CloudTrail logs with Amazon Athena queries to identify the errors.
D. Search CloudTrail logs with Amazon QuickSight. Create a dashboard to identify the errors.
A company wants to add its existing AWS usage cost to its operation cost dashboard. A solutions architect needs to recommend a solution that will give the company access to its usage cost programmatically. The company must be able to access cost data for the current year and forecast costs for the next 12 months.
Which solution will meet these requirements with the LEAST operational overhead?
A. Access usage cost-related data by using the AWS Cost Explorer API with pagination.
B. Access usage cost-related data by using downloadable AWS Cost Explorer report .csv files.
C. Configure AWS Budgets actions to send usage cost data to the company through FTP.
D. Create AWS Budgets reports for usage cost data. Send the data to the company through SMTP.
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