- (Exam Topic 3)
A company is developing a marketing communications service that targets mobile app users. The company needs to send confirmation messages with Short Message Service (SMS) to its users. The users must be able to reply to the SMS messages. The company must store the responses for a year for analysis.
What should a solutions architect do to meet these requirements?

1. A. Create an Amazon Connect contact flow to send the SMS message
2. B. Use AWS Lambda to process the responses.
3. C. Build an Amazon Pinpoint journe
4. D. Configure Amazon Pinpoint to send events to an Amazon Kinesis data stream for analysis and archiving.
5. E. Use Amazon Simple Queue Service (Amazon SQS) to distribute the SMS message
6. F. Use AWS Lambda to process the responses.
7. G. Create an Amazon Simple Notification Service (Amazon SNS) FIFO topi
8. H. Subscribe an Amazon Kinesis data stream to the SNS topic for analysis and archiving.

Correct Answer: B
https://aws.amazon.com/pinpoint/product-details/sms/ Two-Way Messaging: Receive SMS messages from your customers and reply back to them in a chat-like interactive experience. With Amazon Pinpoint, you can create automatic responses when customers send you messages that contain certain keywords. You can even use Amazon Lex to create conversational bots. A majority of mobile phone users read incoming SMS messages almost immediately after receiving them. If you need to be able to provide your customers with urgent or important information, SMS messaging may be the right solution for you. You can use Amazon Pinpoint to create targeted groups of customers, and then send them campaign-based messages. You can also use Amazon Pinpoint to send direct messages, such as appointment confirmations, order updates, and one-time passwords.

- (Exam Topic 3)
A company is planning to migrate a commercial off-the-shelf application from is on-premises data center to AWS. The software has a software licensing model using sockets and cores with predictable capacity and uptime requirements. The company wants to use its existing licenses, which were purchased earlier this year.
Which Amazon EC2 pricing option is the MOST cost-effective?

1. A. Dedicated Reserved Hosts
2. B. Dedicated On-Demand Hosts
3. C. Dedicated Reserved Instances
4. D. Dedicated On-Oemand Instances

Correct Answer: A

- (Exam Topic 3)
A company is developing a real-time multiplayer game that uses UDP for communications between the client and servers In an Auto Scaling group Spikes in demand are anticipated during the day, so the game server platform must adapt accordingly Developers want to store gamer scores and other non-relational data in a database solution that will scale without intervention
Which solution should a solutions architect recommend?

1. A. Use Amazon Route 53 for traffic distribution and Amazon Aurora Serverless for data storage
2. B. Use a Network Load Balancer for traffic distribution and Amazon DynamoDB on-demand for data storage
3. C. Use a Network Load Balancer for traffic distribution and Amazon Aurora Global Database for data storage
4. D. Use an Application Load Balancer for traffic distribution and Amazon DynamoDB global tables for data storage

Correct Answer: B

- (Exam Topic 3)
A company needs to create an Amazon Elastic Kubernetes Service (Amazon EKS) cluster to host a digital
media streaming application. The EKS cluster will use a managed node group that is backed by Amazon Elastic Block Store (Amazon EBS) volumes for storage. The company must encrypt all data at rest by using a customer managed key that is stored in AWS Key Management Service (AWS KMS)
Which combination of actions will meet this requirement with the LEAST operational overhead? (Select TWO.)

1. A. Use a Kubernetes plugin that uses the customer managed key to perform data encryption.
2. B. After creation of the EKS cluster, locate the EBS volume
3. C. Enable encryption by using the customer managed key.
4. D. Enable EBS encryption by default in the AWS Region where the EKS cluster will be create
5. E. Select the customer managed key as the default key.
6. F. Create the EKS cluster Create an IAM role that has cuwlicy that grants permission to the customer managed ke
7. G. Associate the role with the EKS cluster.
8. H. Store the customer managed key as a Kubernetes secret in the EKS cluste
9. I. Use the customer managed key to encrypt the EBS volumes.

Correct Answer: AD

- (Exam Topic 3)
A company's web application consists o( an Amazon API Gateway API in front of an AWS Lambda function and an Amazon DynamoDB database. The Lambda function
handles the business logic, and the DynamoDB table hosts the data. The application uses Amazon Cognito user pools to identify the individual users of the application. A solutions architect needs to update the application so that only users who have a subscription can access premium content.

1. A. Enable API caching and throttling on the API Gateway API
2. B. Set up AWS WAF on the API Gateway API Create a rule to filter users who have a subscription
3. C. Apply fine-grained IAM permissions to the premium content in the DynamoDB table
4. D. Implement API usage plans and API keys to limit the access of users who do not have a subscription.

Correct Answer: C