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A financial services company has a web application that serves users in the United States and Europe. The application consists of a database tier and a web server tier. The database tier consists of a MySQL database hosted in us-east-1. Amazon Route 53 geoproximity routing is used to direct traffic to instances in the closest Region. A performance review of the system reveals that European users are not receiving the same level of query performance as those in the UnitedStates.
Which changes should be made to the database tier to improve performance?

A. Migrate the database to Amazon RDS for MySQL. Configure Multi-AZ in one of the European Regions. B. Migrate the database to Amazon DynamoDB. Use DynamoDB global tables to enable replication to additional Regions. C. Deploy MySQL instances in each Region. Deploy an Application Load Balancer in front of MySQL to reduce the load on the primary instance. D. Migrate the database to an Amazon Aurora global database in MySQL compatibility mode. Configure read replicas in one of the European Regions.

A company hosts a static website on-premises and wants to migrate the website to AWS. The website should load as quickly as possible for users around the world. The company also wants the most cost-effective solution.
What should a solutions architect do to accomplish this?

A. Copy the website content to an Amazon S3 bucket. Configure the bucket to serve static webpage content. Replicate the S3 bucket to multiple AWS Regions. B. Copy the website content to an Amazon S3 bucket. Configure the bucket to serve static webpage content. Configure Amazon CloudFront with the S3 bucket as the origin. C. Copy the website content to an Amazon EBS-backed Amazon EC2 instance running Apache HTTP Server. Configure Amazon Route 53 geo__cpLocation routing policies to select the closest origin. D. Copy the website content to multiple Amazon EBS-backed Amazon EC2 instances running Apache HTTP Server in multiple AWS Regions. Configure Amazon CloudFront geo__cpLocation routing policies to select the closest origin.

A solutions architect is designing storage for a high performance computing (HPC) environment based on Amazon Linux. The workload stores and processes a large amount of engineering drawings that require shared storage and heavy computing.
Which storage option would be the optimal solution?

A. Amazon Elastic File System (Amazon EFS) B. Amazon FSx for Lustre C. Amazon EC2 instance store D. Amazon Elastic Block Store (Amazon EBS) Provisioned IOPS SSD (io1)

A company is performing an AWS Well-Architected Framework review of an existing workload deployed on AWS. The review identified a public-facing website running on the same Amazon EC2 instance as a Microsoft Active Directory domain controller that was install recently to support other AWS services. A solutions architect needs to recommend a new design that would improve the security of the architecture and minimize the administrative demand on IT staff.
What should the solutions architect recommend?

A. Use AWS Directory Service to create a managed Active Directory. Uninstall Active Directory on the current EC2 instance. B. Create another EC2 instance in the same subnet and reinstall Active Directory on it. Uninstall Active Directory. C. Use AWS Directory Service to create an Active Directory connector. Proxy Active Directory requests to the Active domain controller running on the current EC2 instance. D. Enable AWS Single Sign-On (AWS SSO) with Security Assertion Markup Language (SAML) 2.0 federation with the current Active Directory controller. Modify the EC2 instance's security group to deny public access to Active Directory.

A company hosts a static website within an Amazon S3 bucket. A solutions architect needs to ensure that data can be recovered in case of accidental deletion.
Which action will accomplish this?

A. Enable Amazon S3 versioning. B. Enable Amazon S3 Intelligent-Tiering. C. Enable an Amazon S3 lifecycle policy. D. Enable Amazon S3 cross-Region replication.

A company's production application runs online transaction processing (OLTP) transactions on an Amazon RDS MySQL DB instance. The company is launching a new reporting tool that will access the same data. The reporting tool must be highly available and not impact the performance of the production application.
How can this be achieved?

A. Create hourly snapshots of the production RDS DB instance. B. Create a Multi-AZ RDS Read Replica of the production RDS DB instance. C. Create multiple RDS Read Replicas of the production RDS DB instance. Place the Read Replicas in an Auto Scaling group. D. Create a Single-AZ RDS Read Replica of the production RDS DB instance. Create a second Single-AZ RDS Read Replica from the replica.

A company runs an application in a branch office within a small data closet with no virtualized compute resources. The application data is stored on an NFS volume. Compliance standards require a daily offsite backup of the NFS volume.
Which solution meets these requirements?

A. Install an AWS Storage Gateway file gateway on premises to replicate the data to Amazon S3. B. Install an AWS Storage Gateway file gateway hardware appliance on premises to replicate the data to Amazon S3. C. Install an AWS Storage Gateway volume gateway with stored volumes on premises to replicate the data to Amazon S3. D. Install an AWS Storage Gateway volume gateway with cached volumes on premises to replicate the data to Amazon S3.

A company's web application is using multiple Linux Amazon EC2 instances and storing data on Amazon Elastic Block Store (Amazon EBS) volumes. The company is looking for a solution to increase the resiliency of the application in case of a failure and to provide storage that complies with atomicity, consistency, isolation, and durability (ACID).
What should a solutions architect do to meet these requirements?

A. Launch the application on EC2 instances in each Availability Zone. Attach EBS volumes to each EC2 instance. B. Create an Application Load Balancer with Auto Scaling groups across multiple Availability Zones. Mount an instance store on each EC2 instance. C. Create an Application Load Balancer with Auto Scaling groups across multiple Availability Zones. Store data on Amazon Elastic File System (Amazon EFS) and mount a target on each instance. D. Create an Application Load Balancer with Auto Scaling groups across multiple Availability Zones. Store data using Amazon S3 One Zone-Infrequent Access (S3 One Zone-IA).

A security team to limit access to specific services or actions in all of the team's AWS accounts. All accounts belong to a large organization in AWS Organizations.
The solution must be scalable and there must be a single point where permissions can be maintained.
What should a solutions architect do to accomplish this?

A. Create an ACL to provide access to the services or actions. B. Create a security group to allow accounts and attach it to user groups. C. Create cross-account roles in each account to deny access to the services or actions. D. Create a service control policy in the root organizational unit to deny access to the services or actions.

A data science team requires storage for nightly log processing. The size and number of logs is unknown and will persist for 24 hours only.
What is the MOST cost-effective solution?

A. Amazon S3 Glacier B. Amazon S3 Standard C. Amazon S3 Intelligent-Tiering D. Amazon S3 One Zone-Infrequent Access (S3 One Zone-IA)