A company runs a web application on a single Amazon EC2 instance. End users experience slow application performance during times of peak usage, when CPU utilization is consistently more than 95%.A user data script installs required custom packages on the EC2 instance. The process of launching the instance takes several minutes.The company is creating an Auto Scaling group that has mixed instance groups, varied CPUs, and a maximum capacity limit. The Auto Scaling group will use a launch template for various configuration options. The company needs to decrease application latency when new instances are launched during auto scaling.Which solution will meet these requirements?
#61
Answer: D✅ Correct❌ Incorrect
A company wants to use Amazon WorkSpaces in combination with thin client devices to replace aging desktops. Employees use the desktops to access applications that work with Clinical trial data. Corporate security policy states that access to the applications must be restricted to only company branch office locations. The company is considering adding an additional branch office in the next 6 months.Which solution meets these requirements with the MOST operational efficiency?
#62
Answer: A✅ Correct❌ Incorrect
A company is deploying a new web-based application and needs a storage solution for the Linux application servers. The company wants to create a single location for updates to application data for all instances. The active dataset will be up to 100 GB in size. A solutions architect has determined that peak operations will occur for 3 hours daily and will require a total of 225 MiBps of read throughput.The solutions architect must design a Multi-AZ solution that makes a copy of the data available in another AWS Region for disaster recovery (DR). The DR copy has an RPO of less than 1 hour.Which solution will meet these requirements?
#63
Answer: A✅ Correct❌ Incorrect
A company has AWS accounts that are in an organization in AWS Organizations. The company wants to track Amazon EC2 usage as a metric. The company’s architecture team must receive a daily alert if the EC2 usage is more than 10% higher the average EC2 usage from the last 30 days.Which solution will meet these requirements?
#64
Answer: A✅ Correct❌ Incorrect
A company has a few AWS accounts for development and wants to move its production application to AWS. The company needs to enforce Amazon Elastic Block Store (Amazon EBS) encryption at rest current production accounts and future production accounts only. The company needs a solution that includes built-in blueprints and guardrails.Which combination of steps will meet these requirements? (Choose three.) E. Create a guardrail from the management account to detect EBS encryption. F. Create a guardrail for the production OU to detect EBS encryption.
#65
Answer: C✅ Correct❌ Incorrect
A company wants to migrate its on-premises data center to the AWS Cloud. This includes thousands of virtualized Linux and Microsoft Windows servers, SAN storage, Java and PHP applications with MySQL, and Oracle databases. There are many dependent services hosted either in the same data center or externally. The technical 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? (Choose three.) E. Amazon Inspector F. AWS Migration Hub
#66
Answer: A✅ Correct❌ Incorrect
A company needs to gather data from an experiment in a remote location that does not have internet connectivity. During the experiment, sensors that are connected to a local network will generate 6 TB of data in a proprietary format over the course of 1 week. The sensors can be configured to upload their data files to an FTP server periodically, but the sensors do not have their own FTP server. The sensors also do not support other protocols. The company needs to collect the data centrally and move the data to object storage in the AWS Cloud as soon as possible after the experiment.Which solution will meet these requirements?
#67
Answer: C✅ Correct❌ Incorrect
A team of data scientists is using Amazon SageMaker instances and SageMaker APIs to train machine learning (ML) models. The SageMaker instances are deployed in a VPC that does not have access to or from the internet. Datasets for ML model training are stored in an Amazon S3 bucket. Interface VPC endpoints provide access to Amazon S3 and the SageMaker APIs.Occasionally, the data scientists require access to the Python Package Index (PyPI) repository to update Python packages that they use as part of their workflow. A solutions architect must provide access to the PyPI repository while ensuring that the SageMaker instances remain isolated from the internet.Which solution will meet these requirements?
#68
Answer: D✅ Correct❌ Incorrect
A financial services company runs a complex, multi-tier application on Amazon EC2 instances and AWS Lambda functions. The application stores temporary data in Amazon S3. The S3 objects are valid for only 45 minutes and are deleted after 24 hours.The company deploys each version of the application by launching an AWS CloudFormation stack. The stack creates all resources that are required to run the application. When the company deploys and validates a new application version, the company deletes the CloudFormation stack of the old version.The company recently tried to delete the CloudFormation stack of an old application version, but the operation failed. An analysis shows that CloudFormation failed to delete an existing S3 bucket. A solutions architect needs to resolve this issue without making major changes to the application's architecture.Which solution meets these requirements?
#69
Answer: A✅ Correct❌ Incorrect
A company needs to monitor a growing number of Amazon S3 buckets across two AWS Regions. The company also needs to track the percentage of objects that are encrypted in Amazon S3. The company needs a dashboard to display this information for internal compliance teams.Which solution will meet these requirements with the LEAST operational overhead?
#70
Answer: C✅ Correct❌ Incorrect
A company uses an Amazon Aurora PostgreSQL DB cluster for applications in a single AWS Region. The company's database team must monitor all data activity on all the databases.Which solution will achieve this goal?
#71
Answer: C✅ Correct❌ Incorrect
A company is hosting a critical application on a single Amazon EC2 instance. The application uses an Amazon ElastiCache for Redis single-node cluster for an in-memory data store. The application uses an Amazon RDS for MariaDB DB instance for a relational database. For the application to function, each piece of the infrastructure must be healthy and must be in an active state.A solutions architect needs to improve the application's architecture so that the infrastructure can automatically recover from failure with the least possible downtime.Which combination of steps will meet these requirements? (Choose three.) E. Create a replication group for the ElastiCache for Redis cluster. Configure the cluster to use an Auto Scaling group that has a minimum capacity of two instances. F. Create a replication group for the ElastiCache for Redis cluster. Enable Multi-AZ on the cluster.
#72
Answer: A✅ Correct❌ Incorrect
A company has VPC flow logs enabled for Its NAT gateway. The company is seeing Action = ACCEPT for inbound traffic that comes from public IP address 198.51.100.2 destined for a private Amazon EC2 instance.A solutions architect must determine whether the traffic represents unsolicited inbound connections from the internet. The first two octets of the VPC CIDR block are 203.0.Which set of steps should the solutions architect take to meet these requirements?
#73
Answer: B✅ Correct❌ Incorrect
An enterprise company wants to allow its developers to purchase third-party software through AWS Marketplace. The company uses an AWS Organizations account structure with full features enabled, and has a shared services account in each organizational unit (OU) that will be used by procurement managers. The procurement team’s policy indicates that developers should be able to obtain third-party software from an approved list only and use Private Marketplace in AWS Marketplace to achieve this requirement. The procurement team wants administration of Private Marketplace to be restricted to a role named procurement-manager-role, which could be assumed by procurement managers. Other IAM users, groups, roles, and account administrators in the company should be denied Private Marketplace administrative access.What is the MOST efficient way to design an architecture to meet these requirements?
#74
Answer: C✅ Correct❌ Incorrect
A company needs to improve the reliability of its ticketing application. The application runs on an Amazon Elastic Container Service (Amazon ECS) cluster. The company uses Amazon CloudFront to serve the application. A single ECS service of the ECS cluster is the CloudFront distribution’s origin.The application allows only a specific number of active users to enter a ticket purchasing flow. These users are identified by an encrypted attribute in their JSON Web Token (JWT). All other users are redirected to a waiting room module until there is available capacity for purchasing.The application is experiencing high loads. The waiting room module is working as designed, but load on the waiting room is disrupting the applications availability.This disruption is negatively affecting the application's ticket sale transactions.Which solution will provide the MOST reliability for ticket sale transactions during periods of high load?
#75
Answer: C✅ Correct❌ Incorrect
A company has introduced a new policy that allows employees to work remotely from their homes if they connect by using a VPN. The company is hosting internal applications with VPCs in multiple AWS accounts. Currently, the applications are accessible from the company's on-premises office network through an AWS Site-to-Site VPN connection. The VPC in the company's main AWS account has peering connections established with VPCs in other AWS accounts.A solutions architect must design a scalable AWS Client VPN solution for employees to use while they work from home.What is the MOST cost-effective solution that meets these requirements?
#76
Answer: B✅ Correct❌ Incorrect
A company is storing data on premises on a Windows file server. The company produces 5 GB of new data daily.The company migrated part of its Windows-based workload to AWS and needs the data to be available on a file system in the cloud. The company already has established an AWS Direct Connect connection between the on-premises network and AWS.Which data migration strategy should the company use?
#77
Answer: B✅ Correct❌ Incorrect
A company is using AWS Control Tower to manage AWS accounts in an organization in AWS Organizations. The company has an OU that contains accounts. The company must prevent any new or existing Amazon EC2 instances in the OU's accounts from gaining a public IP address.Which solution will meet these requirements?
#78
Answer: C✅ Correct❌ Incorrect
A company is hosting an application on AWS for a project that will run for the next 3 years. The application consists of 20 Amazon EC2 On-Demand Instances that are registered in a target group for a Network Load Balancer (NLB). The instances are spread across two Availability Zones. The application is stateless and runs 24 hours a day, 7 days a week.The company receives reports from users who are experiencing slow responses from the application. Performance metrics show that the instances are at 10% CPU utilization during normal application use. However, the CPU utilization increases to 100% at busy times, which typically last for a few hours.The company needs a new architecture to resolve the problem of slow responses from the application.Which solution will meet these requirements MOST cost-effectively?
#79
Answer: D✅ Correct❌ Incorrect
A company used Amazon EC2 instances to deploy a web fleet to host a blog site. The EC2 instances are behind an Application Load Balancer (ALB) and are configured in an Auto Scaling group. The web application stores all blog content on an Amazon EFS volume.The company recently added a feature for bloggers to add video to their posts, attracting 10 times the previous user traffic. At peak times of day, users report buffering and timeout issues while attempting to reach the site or watch videos.Which is the MOST cost-efficient and scalable deployment that will resolve the issues for users?
#80
Answer: C✅ Correct❌ Incorrect
A company is migrating a legacy application from an on-premises data center to AWS. The application consists of a single application server and a Microsoft SQL Server database server. Each server is deployed on a VMware VM that consumes 500 TB of data across multiple attached volumes.The company has established a 10 Gbps AWS Direct Connect connection from the closest AWS Region to its on-premises data center. The Direct Connect connection is not currently in use by other services.Which combination of steps should a solutions architect take to migrate the application with the LEAST amount of downtime? (Choose two.) E. Use an AWS Database Migration Service (AWS DMS) replication instance to migrate the database to an Amazon RDS DB instance.
#81
Answer: D✅ Correct❌ Incorrect
A company is deploying a third-party firewall appliance solution from AWS Marketplace to monitor and protect traffic that leaves the company's AWS environments. The company wants to deploy this appliance into a shared services VPC and route all outbound internet-bound traffic through the appliances.A solutions architect needs to recommend a deployment method that prioritizes reliability and minimizes failover time between firewall appliances within a single AWS Region. The company has set up routing from the shared services VPC to other VPCs.Which steps should the solutions architect recommend to meet these requirements? (Choose three.) E. Deploy two firewall appliances into the shared services VPC, each in the same Availability Zone. F. Create a VPC Gateway Load Balancer endpoint. Add a route to the route table in the shared services VPC. Designate the new endpoint as the next hop for traffic that enters the shared services VPC from other VPCs.
#82
Answer: A✅ Correct❌ Incorrect
A company wants to optimize AWS data-transfer costs and compute costs across developer accounts within the company's organization in AWS Organizations. Developers can configure VPCs and launch Amazon EC2 instances in a single AWS Region. The EC2 instances retrieve approximately 1 TB of data each day from Amazon S3.The developer activity leads to excessive monthly data-transfer charges and NAT gateway processing charges between EC2 instances and S3 buckets, along with high compute costs. The company wants to proactively enforce approved architectural patterns for any EC2 instance and VPC infrastructure that developers deploy within the AWS accounts. The company does not want this enforcement to negatively affect the speed at which the developers can perform their tasks.Which solution will meet these requirements MOST cost-effectively?
#83
Answer: C✅ Correct❌ Incorrect
A retail company is operating its ecommerce application on AWS. The application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). The company uses an Amazon RDS DB instance as the database backend. Amazon CloudFront is configured with one origin that points to the ALB. Static content is cached. Amazon Route 53 is used to host all public zones.After an update of the application, the ALB occasionally returns a 502 status code (Bad Gateway) error. The root cause is malformed HTTP headers that are returned to the ALB. The webpage returns successfully when a solutions architect reloads the webpage immediately after the error occurs.While the company is working on the problem, the solutions architect needs to provide a custom error page instead of the standard ALB error page to visitors.Which combination of steps will meet this requirement with the LEAST amount of operational overhead? (Choose two.) E. Add a custom error response by configuring a CloudFront custom error page. Modify DNS records to point to a publicly accessible web page.
#84
Answer: A✅ Correct❌ Incorrect
A company is migrating infrastructure for its massive multiplayer game to AWS. The game’s application features a leaderboard where players can see rankings in real time. The leaderboard requires microsecond reads and single-digit-millisecond write latencies. The datasets are single-digit terabytes in size and must be available to accept writes in less than a minute if a primary node failure occurs.The company needs a solution in which data can persist for further analytical processing through a data pipeline.Which solution will meet these requirements with the LEAST operational overhead?
#85
Answer: C✅ Correct❌ Incorrect
A company is designing a new website that hosts static content. The website will give users the ability to upload and download large files. According to company requirements, all data must be encrypted in transit and at rest. A solutions architect is building the solution by using Amazon S3 and Amazon CloudFront.Which combination of steps will meet the encryption requirements? (Choose three.) E. Configure redirection of HTTP requests to HTTPS requests in CloudFront. F. Use the RequireSSL option in the creation of presigned URLs for the S3 bucket that the web application uses.
#86
Answer: A✅ Correct❌ Incorrect
A company has an application that runs on Amazon EC2 instances. A solutions architect is designing VPC infrastructure in an AWS Region where the application needs to access an Amazon Aurora DB Cluster. The EC2 instances are all associated with the same security group. The DB cluster is associated with its own security group.The solutions architect needs to add rules to the security groups to provide the application with least privilege access to the DB Cluster.Which combination of steps will meet these requirements? (Choose two.) E. Add an outbound rule to the DB cluster's security group. Specify the EC2 instances' security group as the destination over the ephemeral ports.
#87
Answer: B✅ Correct❌ Incorrect
A solutions architect has developed a web application that uses an Amazon API Gateway Regional endpoint and an AWS Lambda function. The consumers of the web application are all close to the AWS Region where the application will be deployed. The Lambda function only queries an Amazon Aurora MySQL database. The solutions architect has configured the database to have three read replicas.During testing, the application does not meet performance requirements. Under high load, the application opens a large number of database connections. The solutions architect must improve the application’s performance.Which actions should the solutions architect take to meet these requirements? (Choose two.) E. Change the API Gateway endpoint to an edge-optimized endpoint.
#88
Answer: B✅ Correct❌ Incorrect
A solutions architect must create a business case for migration of a company's on-premises data center to the AWS Cloud. The solutions architect will use a configuration management database (CMDB) export of all the company's servers to create the case.Which solution will meet these requirements MOST cost-effectively?
#89
Answer: B✅ Correct❌ Incorrect
A company uses AWS Organizations for a multi-account setup in the AWS Cloud. The company uses AWS Control Tower for governance and uses AWS Transit Gateway for VPC connectivity across accounts.In an AWS application account, the company’s application team has deployed a web application that uses AWS Lambda and Amazon RDS. The company's database administrators have a separate DBA account and use the account to centrally manage all the databases across the organization. The database administrators use an Amazon EC2 instance that is deployed in the DBA account to access an RDS database that is deployed m the application account.The application team has stored the database credentials as secrets in AWS Secrets Manager in the application account. The application team is manually sharing the secrets with the database administrators. The secrets are encrypted by the default AWS managed key for Secrets Manager in the application account. A solutions architect needs to implement a solution that gives the database administrators access to the database and eliminates the need to manually share the secrets.Which solution will meet these requirements?