AWS Certified Solutions Architect - Professional - Exam Simulator

Your company has deployed a multi-tier application in AWS where the web tier is fronted by an AWS Network Load Balancer (NLB). The application has been performing as expected until recently, when users began experiencing intermittent connectivity issues. After reviewing CloudWatch metrics for the EC2 instances and the NLB, no evident issues were found. The instances are healthy and the NLB appears to be configured correctly. However, some users are consistently being disconnected or are facing high latency when trying to access the application. As a Solutions Architect, you need to troubleshoot the problem using AWS tools. What should you do next to identify the cause of the traffic flow issues?

As the lead architect for a global e-commerce platform, you decide to streamline the customer experience by allowing users to log in using their existing social media accounts. To securely integrate with various third-party identity providers, you plan to implement an authentication protocol. Your top requirement is that the e-commerce system should be able to obtain access to user resources on the social media platforms without gaining access to users' passwords. Which of the following options would be the best approach to meet this requirement?

You are an AWS Solutions Architect working for an international media company that has recently seen a major spike in traffic due to the global popularity of their new streaming service. To ensure seamless global content delivery, you've been tasked with architecting a solution that can scale effectively to handle millions of concurrent users while maintaining low latency and high transfer speeds. You've decided to integrate Amazon CloudFront into your architecture for its content delivery network capabilities. Given the need to design a reliable and resilient architecture that scales appropriately for this use case, which of the following strategies would be the most suitable to optimize the architecture considering the scale-up and scale-out options provided by AWS?

Your company, GlobalTech, is adopting AWS at scale and plans to employ a multi-account strategy to segment different workloads appropriately. The Security team at GlobalTech needs to ensure centralized management of resources across all AWS accounts for improved governance. They have proposed the use of AWS Resource Access Manager to share AWS Transit Gateway, subnets, and license configurations across multiple AWS accounts within the organization. As a Solutions Architect, you need to evaluate if AWS RAM is the most appropriate service for this use case considering GlobalTech's organizational requirements. Which of the following statements best justifies the use of AWS RAM for GlobalTech's multi-account strategy?

Your company is running multiple critical workloads on AWS, and you have been tasked with optimizing costs while ensuring thorough monitoring of compliance and governance. The company's current setup utilizes AWS Cost Explorer for tracking monthly expenses and making projections. As part of strengthening the governance aspect, you decide to integrate AWS CloudTrail logs to track changes and ensure better visibility of user and resource activity. Keeping in mind the need for cost optimization and visibility, which of the following strategies should you implement to effectively track both the money spent on AWS services and the associated CloudTrail logs, without incurring unnecessary costs?

Your company has several AWS accounts that are used by different development teams for various projects. To streamline billing and compliance, you plan to reorganize these accounts into a single organization using AWS Organizations. One of your primary goals is to enforce service control policies (SCPs) to limit the services that each team can use, ensuring adherence to the company's security and compliance standards. You also want to upgrade the services and features within this new setup to the latest ones that comply with your policies. While designing a deployment strategy to meet these business requirements, which of the following steps should you take?

A company running its financial application on AWS relies heavily on the ability to maintain business continuity, even in the event of a regional disruption. They want to implement a cost-effective disaster recovery strategy with a Recovery Time Objective (RTO) of a few hours. To achieve this, they are considering using the Pilot Light approach. As the AWS Certified Solutions Architect - Professional, how would you design an architecture to meet these requirements using the Pilot Light concept?

A company has recently deployed a serverless architecture on AWS to process confidential data. As a solutions architect, you designed a system where AWS Lambda functions, residing within a private VPC, interact with Amazon S3 to store processed data. You are tasked with ensuring that the traffic from the Lambda functions to S3 does not traverse the public internet for security reasons. You've decided to implement VPC endpoints for this purpose. Additionally, you have to make sure that traffic between subnets inside VPC is restricted according to the company's security requirements. Which of the following options should you configure to fulfill these requirements while allowing the necessary communication between the VPC, the Lambda functions, and S3?

Your company's application is currently deployed in the AWS us-east-1 region and relies on a DynamoDB table for its data storage needs. Due to recent business expansion, your application will now serve users globally, and you are tasked with ensuring high availability and minimal latency for all users. The application has a write-heavy workload and requires strong consistency across all regions. Which of the following approaches should you take to meet these requirements using AWS managed services?

A company is building a new web application on AWS, which will experience unpredictable traffic patterns. The Solutions Architect needs to ensure the infrastructure dynamically scales to meet user demand while optimizing costs. The application stack includes an Application Load Balancer (ALB), a fleet of Amazon EC2 instances for the web layer, and an Amazon RDS database. Which of the following strategies should the Architect implement to align with the designed performance objectives and cost-efficiency?

A media company is planning to move their image processing workloads to AWS. Each day they need to process hundreds of gigabytes of image data, which is currently stored on-premises. The CTO wants to ensure efficient data transfer to the cloud while considering cost optimizations. The image data will be accessed and processed by multiple EC2 instances concurrently in a compute-intensive workload. The CTO is considering using Amazon Elastic File System (EFS) due to its scalability and elastic nature. Which of the following would be the most cost-effective method for moving existing image data to EFS and subsequent regular updates?

You are working as a Solutions Architect for a tech company that is using AWS infrastructure to run its web applications. The company's applications are packaged and deployed using AWS Elastic Beanstalk due to its ease of use and simplicity for developers unfamiliar with AWS. However, your team is now considering the need for configuring a more sophisticated system of configuration management automation that can handle not only application deployment but also configuration changes, resource provisioning, and software updates across multiple environments. Your responsibility involves ensuring that the system can scale, manage changes with minimal downtime, and improve the overall operational excellence. Which AWS solution would you recommend to enable the necessary level of configuration management automation and integrate seamlessly with AWS Elastic Beanstalk?

Your company has a web application hosted on AWS with an Auto Scaling group of EC2 instances behind an Elastic Load Balancer (ELB). As the Solutions Architect, you are tasked with designing and implementing a patch and update process that causes minimum disruption to service and maintains high availability. How should you design this process to ensure instances are patched without affecting user experience?

A company is using a self-managed Apache Kafka cluster on Amazon EC2 instances to handle real-time streaming data. The company has recently noticed performance bottlenecks during peak traffic times, which has led to delayed data processing and increased latency. The DevOps team is considering whether to scale up the EC2 instances or migrate to a managed service to address these issues. As a Solutions Architect, you recommend evaluating Amazon Managed Streaming for Apache Kafka (MSK) as a solution. Which of the following reasons makes Amazon MSK a suitable option for improving the performance of the company's streaming data architecture?

A company hosts a web application behind an Application Load Balancer (ALB), which triggers AWS Lambda functions for various tasks. After a recent review, the company's Solutions Architect observes that during peak times, some Lambda functions are failing intermittently, reporting 'ThrottlingException' errors due to reaching the maximum concurrent execution limit. The company wants to ensure the reliability of its application without incurring unnecessary costs. Which of the following strategies should the Solutions Architect recommend to improve the reliability of the Lambda-invoked architecture?

A company has deployed an online gaming application with a global user base on AWS, utilizing Amazon Elasticache to maintain high-speed read access to gaming leaderboards and session states. Over time, the company notices through their AWS Cost and Usage Reports that the costs associated with Amazon Elasticache instances are significantly higher than anticipated. Further analysis indicates that the memory utilization across their Elasticache clusters rarely exceeds 25%, suggesting that the provisioned resources are overprovisioned. As an AWS Certified Solutions Architect - Professional, you are asked to identify a cost optimization strategy for the underutilized Amazon Elasticache resources. Which of the following recommendations would most effectively optimize costs?

As a Solutions Architect at a large enterprise, you have been tasked with completing an application migration assessment regarding the migration of a multi-tier web application to AWS. The application has an authentication system that relies on an on-premises Microsoft Active Directory for user credentials. Part of the migration requires integrating AWS resources with the on-premises Active Directory to maintain user access controls without significant changes to the authentication process. Which of the following IAM configurations should you recommend to meet these requirements?

A company has a large-scale deployment running on a VMware infrastructure in their on-premises datacenters. The Chief Technical Officer (CTO) wants to migrate these workloads to AWS to take advantage of cloud scalability and to retire their aging hardware. The deployment includes several business-critical applications that should have minimal downtime during migration. Furthermore, the CTO wishes to maintain the use of their existing VMware management tools post-migration. Which data transfer service and migration strategy would be most appropriate for this scenario?

A company is moving their legacy web application to AWS. The web application consists of a stateless web tier and a database tier. The company wants to ensure high availability and scalability for their web tier in the cloud. They are considering using Elastic Load Balancing (ELB) to distribute incoming traffic across multiple EC2 instances. As an AWS Certified Solutions Architect - Professional, which type of Elastic Load Balancing solution should you recommend to meet the company's requirements?

Your company has decided to migrate a compute-intensive application to AWS to improve performance and cost-efficiency. After thorough analysis, the application has been identified as compatible with the AWS Graviton Processor, which is based on the ARM architecture, and offers better price performance for workloads. The application runs on x86-based Linux virtual machines that are self-managed on-premises. As an AWS Certified Solutions Architect - Professional, which of the following compute options should you choose to achieve the company's goal?

A company is refactoring its monolithic e-commerce application into a microservices architecture on the AWS Cloud in an effort to increase scalability and maintainability. The application's order processing system must handle spikes during flash sales events without incurring unnecessary costs during periods of low activity. The Chief Technology Officer (CTO) has asked you to minimize operational overhead. As the Solutions Architect on this project, which of the following would you recommend to publish order events from the checkout service, which can then trigger downstream processing in a decoupled and scalable way?