1. A company wants to run an application on AWS. The company plans to provision its application in Docker containers running in an Amazon ECS cluster. The application requires a MySQL database and the company plans to use Amazon RDS. What is the MOST cost-effective solution to meet these requirements?
A company has a requirement to store documents that will be accessed by a serverless application. The documents will be accessed frequently for the first 3 months, and rarely after that. The documents must be retained for 7 years. What is the MOST cost-effective solution to meet these requirements?
A global enterprise company is in the process of creating an infrastructure services platform for its users. The company has the following requirements:
· Centrally manage the creation of infrastructure services using a central AWS account.
· Distribute infrastructure services to multiple accounts in AWS Organizations.
· Follow the principle of least privilege to limit end users’ permissions for launching and managing applications.
Which combination of actions using AWS services will meet these requirements? (Select TWO.)
A database for an eCommerce website was deployed on an Amazon RDS for MySQL DB instance with General Purpose SSD storage. The database was running performantly for several weeks until a peak shopping period when customers experienced slow performance and timeouts. Amazon CloudWatch metrics indicate that reads and writes to the DB instance were experiencing long response times. Metrics show that CPU utilization is <50%, plenty of available memory, and sufficient free storage space. There is no evidence of database connectivity issues in the application server logs.
What could be the root cause of database performance issues?
A company is using multiple AWS accounts. The company’s DNS records are stored in a private Amazon Route 53 hosted zone in the management account and their applications are running in a production account.
A Solutions Architect is attempting to deploy an application into the production account. The application must resolve a CNAME record set for an Amazon RDS endpoint. The CNAME record set was created in a private hosted zone in the management account.
The deployment failed to start and the Solutions Architect has discovered that the CNAME record is not resolvable on the application EC2 instance despite being correctly created in Route 53.
Which combination of steps should the Solutions Architect take to resolve this issue? (Select TWO.)
6. A new AWS Lambda function has been created to replicate objects that are received in an Amazon S3 bucket to several other S3 buckets in various AWS accounts. The Lambda function is triggered when an object creation event occurs in the main S3 bucket. A Solutions Architect is concerned that the function may impact other critical functions due to Lambda’s regional concurrency limit.
How can the solutions architect ensure the new Lambda function will not impact other critical Lambda functions?
A company has a mobile application that uses Amazon API Gateway, AWS Lambda, and Amazon DynamoDB. The application is write intensive and costs have recently increased significantly. The biggest increase in cost has been for the AWS Lambda functions. Application utilization is unpredictable but has been increasing steadily each month.
A Solutions Architect has noticed that the Lambda function execution time averages over 4 minutes. This is due to wait time for a high-latency network call to an on-premises MySQL database. A VPN is used to connect to the VPC.
How can the Solutions Architect reduce the cost of the current architecture?
- Enable API caching on API Gateway to reduce the number of Lambda function invocations.
- Enable Auto Scaling in DynamoDB.
A company has deployed an application that uses an Amazon DynamoDB table and the user base has increased significantly. Users have reported poor response times during busy periods but no error pages have been generated. The application uses Amazon DynamoDB in read-only mode. The operations team has determined that the issue relates to ProvisionedThroughputExceeded exceptions in the application logs when doing Scan and read operations.
A Solutions Architect has been tasked with improving application performance. Which solutions will meet these requirements whilst MINIMIZING changes to the application? (Select TWO.)
A company requires that only the master account in AWS Organizations is able to purchase Amazon EC2 Reserved Instances. Current and future member accounts should be blocked from purchasing Reserved Instances.
Which solution will meet these requirements?
A company has deployed a SAML 2.0 federated identity solution with their on-premises identity provider (IdP) to authenticate users’ access to the AWS environment. A Solutions Architect ran authentication tests through the federated identity web portal and access to the AWS environment was granted. When a test user attempts to authenticate through the federated identity web portal, they are not able to access the AWS environment.
Which items should the solutions architect check to ensure identity federation is properly configured? (Select THREE.)
A company is migrating its on-premises systems to AWS. The computers consist of a combination of Windows and Linux virtual machines and physical servers. The company wants to be able to identify dependencies between on-premises systems and group systems together into applications to build migration plans. The company also needs to understand the performance requirements for systems so they can be right-sized.
How can these requirements be met?
A Solutions Architect is developing a mechanism to gain security approval for Amazon EC2 images (AMIs) so that they can be used by developers. The AMIs must go through an automated assessment process (CVE assessment) and be marked as approved before developers can use them. The approved images must be scanned every 30 days to ensure compliance.
Which combination of steps should the Solutions Architect take to meet these requirements while following best practices? (Select TWO.)
A company is designing an application that will require cross-Region disaster recovery with an RTO of less than 5 minutes and an RPO of less than 1 minute. The application tier DR solution has already been designed and a Solutions Architect must design the data recovery solution for the MySQL database tier.
How should the database tier be configured to meet the data recovery requirements?
A company runs hundreds of applications across several data centers and office locations. The applications include Windows and Linux operating systems, physical installations as well as virtualized servers, and MySQL and Oracle databases. There is no central configuration management database (CMDB) and existing documentation is incomplete and outdated. A Solutions Architect needs to understand the current environment and estimate the cloud resource costs after the migration.
Which tools or services should the Solutions Architect use to plan the cloud migration (Select THREE.)
An eCommerce company is running a promotional campaign and expects a large volume of user sign-ups on a web page that collects user information and preferences. The website runs on Amazon EC2 instances and uses an Amazon RDS for PostgreSQL DB instances. The volume of traffic is expected to be high and may be unpredictable with several spikes in activity. The traffic will result in a large number of database writes.
A solutions architect needs to build a solution that does not change the underlying data model and ensures that submissions are not dropped before they are committed to the database.
Which solution meets these requirements?
A financial services company receives a data feed from a credit card service provider. The feed consists of approximately 2,500 records that are sent every 10 minutes in plaintext and delivered over HTTPS to an encrypted S3 bucket. The data includes credit card data that must be automatically masked before sending the data to another S3 bucket for additional internal processing. There is also a requirement to remove and merge specific fields, and then transform the record into JSON format.
Which solutions will meet these requirements?
A solution is required for updating user metadata and will be initiated by a fleet of front-end web servers. The solution must be capable of scaling rapidly from hundreds to tens of thousands of jobs in less than a minute. The solution must be asynchronous and minimize costs.
Which solution should a Solutions Architect use to meet these requirements?
A company uses AWS Organizations. The company recently acquired a new business unit and invited the new unit’s existing account to the company’s organization. The organization uses a deny list SCP in the root of the organization and all accounts are members of a single OU named Production.
The administrators of the new business unit discovered that they are unable to access AWS Database Migration Service (DMS) to complete an in-progress migration.
Which option will temporarily allow administrators to access AWS DMS and complete the migration project?
A company is testing an application that collects data from sensors fitted to vehicles. The application collects usage statistics data every 4 minutes. The data is sent to Amazon API Gateway, it is then processed by an AWS Lambda function and the results are stored in an Amazon DynamoDB table.
As the sensors have been fitted to more vehicles, and as more metrics have been configured for collection, the Lambda function execution time has increased from a few seconds to over 2 minutes. There are also many TooManyRequestsException errors being generated by Lambda.
Which combination of changes will resolve these issues? (Select TWO.)
A Solutions Architect is designing a web application that will serve static content in an Amazon S3 bucket and dynamic content hosted on Amazon EC2 instances behind an Application Load Balancer (ALB). The application will use Amazon CloudFront and the solution should require that the content is available through CloudFront only.
Which combination of steps should the Solutions Architect take to restrict direct content access to CloudFront? (Select THREE.)
A company runs a data processing application on-premises and plans to move it to the AWS Cloud. Files are uploaded by users to a web application which then stores the files on an NFS-based storage system and places a message on a queue. The files are then processed from the queue and the results are returned to the user (and stored in long-term storage). This process can take up to 30 minutes. The processing times vary significantly and can be much higher during business hours.
What is the MOST cost-effective migration recommendation?
A new application that provides fitness and training advice has become extremely popular with thousands of new users from around the world. The web application is hosted on a fleet of Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer (ALB). The content consists of static media files and different resources must be loaded depending on the client operating system.
Users have reported increasing latency for loading web pages and Amazon CloudWatch is showing high utilization of the EC2 instances.
Which set actions should a solutions architect take to improve response times?
A company includes several business units that each use a separate AWS account and a parent company AWS account. The company requires a single AWS bill across all AWS accounts with costs broken out for each business unit. The company also requires that services and features be restricted in the business unit accounts and this must be governed centrally.
Which combination of steps should a Solutions Architect take to meet these requirements? (Select TWO.)
A company is migrating an order processing application to the AWS Cloud. The usage patterns vary significantly but the application must be available at all times. Orders must be processed immediately and in the order that they are received. Which actions should a Solutions Architect take to meet these requirements?