QUESTION: 173

A company has an application that runs as a ReplicaSet of multiple pods in an Amazon Elastic Kubernetes Service (Amazon EKS) cluster. The EKS cluster has nodes in multiple Availability Zones. The application generates many small files that must be accessible across all running instances of the application. The company needs to back up the files and retain the backups for 1 year.

Which solution will meet these requirements while providing the FASTEST storage performance?

Create an Amazon Elastic File System (Amazon EFS) file system and a mount target for each subnet that contains nodes in the EKS cluster. Configure the ReplicaSet to mount the file system. Direct the application to store files in the file system. Configure AWS Backup to back up and retain copies of the data for 1 year.
Create an Amazon Elastic Block Store (Amazon EBS) volume. Enable the EBS Multi-Attach feature. Configure the ReplicaSet to mount the EBS volume. Direct the application to store files in the EBS volume. Configure AWS Backup to back up and retain copies of the data for 1 year.
Create an Amazon S3 bucket. Configure the ReplicaSet to mount the S3 bucket. Direct the application to store files in the S3 bucket. Configure S3 Versioning to retain copies of the data. Configure an S3 Lifecycle policy to delete objects after 1 year.
Configure the ReplicaSet to use the storage available on each of the running application pods to store the files locally. Use a third-party tool to back up the EKS cluster for 1 year.

Answer(s): A

Explanation:

A) Create an Amazon Elastic File System (Amazon EFS) file system and a mount target for each subnet that contains nodes in the EKS cluster. Configure the ReplicaSet to mount the file system. Direct the application to store files in the file system. Configure AWS Backup to back up and retain copies of the data for 1 year.
-Amazon EFS provides a managed, scalable file storage solution that can be mounted across multiple EC2 instances and Kubernetes pods, making it suitable for scenarios where multiple pods need access to shared files. It is designed for high availability and durability, which aligns with the requirement to retain backups for 1 year. Additionally, EFS offers fast storage performance, making it ideal for applications that generate many small files. By integrating with AWS Backup, you can easily manage the backup and retention policies for the stored data.

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QUESTION: 174

A company runs a customer service center that accepts calls and automatically sends all customers a managed, interactive, two-way experience survey by text message. The applications that support the customer service center run on machines that the company hosts in an on-premises data center. The hardware that the company uses is old, and the company is experiencing downtime with the system. The company wants to migrate the system to AWS to improve reliability.

Which solution will meet these requirements with the LEAST ongoing operational overhead?

Use Amazon Connect to replace the old call center hardware. Use Amazon Pinpoint to send text message surveys to customers.
Use Amazon Connect to replace the old call center hardware. Use Amazon Simple Notification Service (Amazon SNS) to send text message surveys to customers.
Migrate the call center software to Amazon EC2 instances that are in an Auto Scaling group. Use the EC2 instances to send text message surveys to customers.
Use Amazon Pinpoint to replace the old call center hardware and to send text message surveys to customers.

Answer(s): A

Explanation:

A) Use Amazon Connect to replace the old call center hardware. Use Amazon Pinpoint to send text message surveys to customers.
-Amazon Connect is a cloud-based contact center service that allows businesses to set up a customer service center without the need for traditional hardware, providing a more reliable and scalable solution. It simplifies call management and offers features tailored for customer service.
-Amazon Pinpoint is an effective service for managing communication with customers, including sending interactive, two-way text message surveys. This combination minimizes the operational overhead by leveraging managed services that are designed to work seamlessly together, reducing the need for manual infrastructure management and support.

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QUESTION: 175

A company is building a call center by using Amazon Connect. The company’s operations team is defining a disaster recovery (DR) strategy across AWS Regions. The contact center has dozens of contact flows, hundreds of users, and dozens of claimed phone numbers.

Which solution will provide DR with the LOWEST RTO?

Create an AWS Lambda function to check the availability of the Amazon Connect instance and to send a notification to the operations team in case of unavailability. Create an Amazon EventBridge rule to invoke the Lambda function every 5 minutes. After notification, instruct the operations team to use the AWS Management Console to provision a new Amazon Connect instance in a second Region. Deploy the contact flows, users, and claimed phone numbers by using an AWS CloudFormation template.
Provision a new Amazon Connect instance with all existing users in a second Region. Create an AWS Lambda function to check the availability of the Amazon Connect instance. Create an Amazon EventBridge rule to invoke the Lambda function every 5 minutes. In the event of an issue, configure the Lambda function to deploy an AWS CloudFormation template that provisions contact flows and claimed numbers in the second Region.
Provision a new Amazon Connect instance with all existing contact flows and claimed phone numbers in a second Region. Create an Amazon Route 53 health check for the URL of the Amazon Connect instance. Create an Amazon CloudWatch alarm for failed health checks. Create an AWS Lambda function to deploy an AWS CloudFormation template that provisions all users. Configure the alarm to invoke the Lambda function.
Provision a new Amazon Connect instance with all existing users and contact flows in a second Region. Create an Amazon Route 53 health check for the URL of the Amazon Connect instance. Create an Amazon CloudWatch alarm for failed health checks. Create an AWS Lambda function to deploy an AWS CloudFormation template that provisions claimed phone numbers. Configure the alarm to invoke the Lambda function.

Answer(s): D

Explanation:

D) Provision a new Amazon Connect instance with all existing users and contact flows in a second Region. Create an Amazon Route 53 health check for the URL of the Amazon Connect instance. Create an Amazon CloudWatch alarm for failed health checks. Create an AWS Lambda function to deploy an AWS CloudFormation template that provisions claimed phone numbers. Configure the alarm to invoke the Lambda function.
-This solution provides the lowest RTO because it involves proactively provisioning a backup Amazon Connect instance with all necessary configurations (users and contact flows) in advance.
-By setting up Route 53 health checks and CloudWatch alarms, the system can automatically monitor the primary instance's availability. If the primary instance becomes unavailable, the Lambda function can quickly deploy the necessary claimed phone numbers through a CloudFormation template, facilitating a rapid failover to the backup instance.
-This approach minimizes downtime and ensures continuity of service in the event of a failure, meeting the disaster recovery requirements effectively.

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QUESTION: 176

A company runs an application on AWS. The company curates data from several different sources. The company uses proprietary algorithms to perform data transformations and aggregations. After the company performs ETL processes, the company stores the results in Amazon Redshift tables. The company sells this data to other companies. The company downloads the data as files from the Amazon Redshift tables and transmits the files to several data customers by using FTP. The number of data customers has grown significantly. Management of the data customers has become difficult.

The company will use AWS Data Exchange to create a data product that the company can use to share data with customers. The company wants to confirm the identities of the customers before the company shares data. The customers also need access to the most recent data when the company publishes the data.

Which solution will meet these requirements with the LEAST operational overhead?

Use AWS Data Exchange for APIs to share data with customers. Configure subscription verification. In the AWS account of the company that produces the data, create an Amazon API Gateway Data API service integration with Amazon Redshift. Require the data customers to subscribe to the data product.
In the AWS account of the company that produces the data, create an AWS Data Exchange datashare by connecting AWS Data Exchange to the Redshift cluster. Configure subscription verification. Require the data customers to subscribe to the data product.
Download the data from the Amazon Redshift tables to an Amazon S3 bucket periodically. Use AWS Data Exchange for S3 to share data with customers. Configure subscription verification. Require the data customers to subscribe to the data product.
Publish the Amazon Redshift data to an Open Data on AWS Data Exchange. Require the customers to subscribe to the data product in AWS Data Exchange. In the AWS account of the company that produces the data, attach IAM resource-based policies to the Amazon Redshift tables to allow access only to verified AWS accounts.

Answer(s): B

Explanation:

The selected solution is B because it effectively utilizes AWS Data Exchange to create a streamlined and secure way to share data with customers while meeting the company's requirements.
1.Data Exchange Integration: AWS Data Exchange allows the company to create a datashare that connects directly to the Amazon Redshift cluster. This enables the company to share data products efficiently with multiple customers.
2.Subscription Verification: By configuring subscription verification, the company can confirm the identities of customers before granting access to the data. This ensures that only authorized customers receive the data.
3.Real-Time Access: Customers will have access to the most recent data as it is stored in Amazon Redshift. The integration with AWS Data Exchange simplifies the process of publishing updates, allowing customers to receive timely data without the complexity of manual file transfers.
Overall, this solution minimizes operational overhead by leveraging managed services and automating customer access, making it the most efficient choice for the company's needs.

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QUESTION: 176

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