AWS Certified Solutions Architect – Associate Questions Updated SAA-C02 Latest Practice Exam

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To earn the AWS Certified Solutions Architect – Associate certification, you will be required to pass SAA-C02 exam successfully. When preparing for SAA-C02 exam, the latest SAA-C02 practice exam written by the top team of ITExamShop provide you with the most updated exam questions and answers. They have verified that all the SAA-C02 exam questions are real, also the answers are precise, which could be your best preparation materials for passing AWS Certified Solutions Architect – Associate exam. ITExamShop reminds all candidates to recognize carefully whether the SAA-C02 exam selected is latest and updated SAA-C03 practice exam, ITExamShop ensures your success.

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1. An application runs on Amazon EC2 instances across multiple Availability Zones. The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer. The application performs best when the CPU utilization of the EC2 instances is at or near 40%.

What should a solutions architect do to maintain the desired performance across all instances in the group?

Use a simple scaling policy to dynamically scale the Auto Scaling group

Use a target tracking policy to dynamically scale the Auto Scaling group

Use an AWS Lambda function to update the desired Auto Scaling group capacity.

Use scheduled scaling actions to scale up and scale down the Auto Scaling group

2. A company runs an application on a group of Amazon Linux EC2 instances. For compliance reasons, the company must retain all application log files for 7 years. The log files will be analyzed by a reporting tool that must be able to access all the files concurrently.

Which storage solution meets these requirements MOST cost-effectively?

Amazon Elastic Block Store (Amazon EBS)

Amazon Elastic File System (Amazon EFS)

Amazon EC2 instance store

Amazon S3

3. A manufacturing company has machine sensors that upload csv files to an Amazon S3 bucket These csv files must be converted into images and must be made available as soon as possible for the automatic generation of graphical reports.

The images become irrelevant after 1 month, but the csv files must be kept to train machine learning (ML) models twice a year. The ML trainings and audits are planned weeks in advance.

Which combination of steps will meet these requirements MOST cost-effectively? (Select TWO)

Launch an Amazon EC2 Spot Instance that downloads the .csv files every hour, generates the image files, and uploads the images to the S3 bucket.

Design an AWS Lambda function that converts the .csv files into images and stores the images in the S3 bucket Invoke the Lambda function when a csv file is uploaded.

Create S3 Lifecycle rules for .csv files and image files in the S3 bucket Transition the csv files from S3 Standard to S3 Glacier 1 day after they are uploaded. Expire the image files after 30 days.

Create S3 Lifecycle rules for csv files and image files in the S3 bucket Transition the csv files from S3 Standard to S3 One Zone-Infrequent Access (S3 One Zone-IA) 1 day after they are uploaded Expire the image files after 30 days

Create S3 Lifecycle rules for .csv files and image files in the S3 bucket. Transition the csv files from S3 Standard to S3 Standard-Infrequent Access (S3 Standard-IA) 1 day after they are uploaded. Keep the image files in Reduced Redundancy Storage (RRS).

4. A bicycle sharing company is developing a multi-tier architecture to track the location of its bicycles during peak operating hours. The company wants to use these data points in its existing analytics platform A solutions architect must determine the most viable multi-tier option to support this architecture. The data points must be accessible from the REST API.

Which action meets these requirements for storing and retrieving location data?

Use Amazon Athena with Amazon S3

Use Amazon API Gateway with AWS Lambda

Use Amazon QuickSight with Amazon Redshift.

Use Amazon API Gateway with Amazon Kinesis Data Analytics

5. A disaster response team is using drones to collect images of recent storm damage. The response team's laptops lack the storage and compute capacity to transfer the images and process the data While the team has Amazon EC2 instances for processing and Amazon S3 buckets for storage, network connectivity is intermittent and unreliable. The images need to be processed to evaluate the damage.

What should a solutions architect recommend'?

Use AWS Snowball Edge devices to process and store the images

Upload the images to Amazon Simple Queue Service (Amazon SQS) during intermittent connectivity to EC2 instances.

Configure Amazon Kinesis Data Firehose to create multiple delivery streams aimed separately at the S3 buckets for storage and the EC2 instances for processing the images

Use AWS Storage Gateway pre-installed on a hardware appliance to cache the images locally for Amazon S3 to process the images when connectivity becomes available.

6. A computer is reviewing a recent migration of a three-tier application to a VPC. The security team discover that the principle of lest privilege is not being applied to Amazon EC2 security group ingress and egress rules between the application tiers.

What should a solution architect do to connect issue?

Create security group rules using the instance ID as the source destination.

Create security group rules using the security ID as the source or destination.

Create security group rules using the VPC CDR blocks as the source or destination

Create security group rules using the subnet CDR blocks as the source or destination

7. An application runs on Amazon EC2 instances across multiple Availability Zones. The instances run in an Amazon EC2 Auto Scaling group behind an Application Load Balancer. The application performs best when the CPU utilization of the EC2 instances is at or near 40%.

What should a solutions architect do to maintain the desired performance across all instances in the group?

Use a simple scaling policy to dynam

Amazon DynamoDB global tables

Amazon RDS for MySQL with Multi-AZ enabled

Amazon RDS for MySQL with a cross-Region snapshot copy

8. A company operates a two-tier application for image processing. The application uses two Availability Zones, each with one public subnet and one private subnet. An Application Load Balancer (ALB) for the web tier uses the public subnets. Amazon EC2 instances for the application tier use the private subnets.

Users report that the application is running more slowly than expected. A security audit of the web server log files shows that the application is receiving millions of illegitimate requests from a small number of IP addresses. A solutions architect needs to resolve the immediate performance problem while the company investigates a more permanent solution.

What should the solutions architect recommend to meet this requirement?

Modify the inbound security group for the web tier. Add a deny rule for the IP addresses that are consuming resources.

Modify the network ACL for the web tier subnets. Add an inbound deny rule for the IP addresses that are consuming resources.

Modify the inbound security group for the application tier. Add a deny rule for the IP addresses that are consuming resources.

Modify the network ACL for the application tier subnets. Add an inbound deny rule for the IP addresses that are consuming resources.

9. A social media company allows users to upload images to its website. The website runs on Amazon EC2 instances. During upload requests, the website resizes the images to a standard size and stores the resized images in Amazon S3. Users are experiencing slow upload requests to the website.

The company needs to reduce coupling within the application and improve website performance A solutions architect must design the most operationally efficient process for image uploads

Which combination of actions should the solutions architect take to meet these requirements'? (Select TWO.)

Configure the application to upload images to S3 Glacier.

Configure the web server to upload the original images to Amazon S3.

Configure the application to upload images directly from each user's browser to Amazon S3 through the use of a presigned UR

Configure S3 Event Notifications to invoke an AWS Lambda function when an image is uploaded. Use the function to resize the image

Create an Amazon EventBridge (Amazon CloudWatch Events) rule that invokes an AWS Lambda function on a schedule to resize uploaded images.

10. What should a solutions architect do to ensure that all objects uploaded to an Amazon S3 bucket are encrypted?

Update the bucket policy to deny if the PutObject does not have an s3 x-amz-acl header set

Update the bucket policy to deny if the PutObject does not have an s3:x-amz-aci header set to private.

Update the bucket policy to deny if the PutObject does not have an aws SecureTransport header set to true

Update the bucket policy to deny if the PutObject does not have an x-amz-server-side-encryption header set.

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11. A company's facility has badge readers at every entrance throughout the building. When badges are scanned, the readers send a message over HTTPS to indicate who attempted to access that particular entrance.

A solutions architect must design a system to process these messages from the sensors. The solution must be highly available, and the results must be made available for the company's security team to analyze.

Which system architecture should the solutions architect recommend?

Launch an Amazon EC2 instance to serve as the HTTPS endpoint and to process the messages Configure the EC2 instance to save the results to an Amazon S3 bucket.

Create an HTTPS endpoint in Amazon API Gateway. Configure the API Gateway endpoint to invoke an AWS Lambda function to process the messages and save the results to an Amazon DynamoDB table.

Use Amazon Route 53 to direct incoming sensor messages to an AWS Lambda function. Configure the Lambda function to process the messages and save the results to an Amazon DynamoDB table.

Create a gateway VPC endpoint for Amazon S3. Configure a Site-to-Site VPN connection from the facility network to the VPC so that sensor data can be written directly to an S3 bucket by way of the VPC endpoint

12. A solution architect is designing a new service behind API Gateway. The request pattern for the service will be unpredictable and can change suddenly from 0 request to over 500 per second. The total size of the data that needs to be persisted database is currently less than 1 GB unpredictable future growth. Date can be queried using sampling key Cvalue request.

Which combination of AWS services would meet these requirements? (Select TWO.)

AWS Fargete

AWS Lambda

Amazon DynamoDB

Amazon EC2 Auto Scaling

MySQL-compatible Amazon Aurora

13. A solutions architect is designing a security solution for a company that wants to provide developers with individual AWS accounts through AWS Organizations, while also maintaining standard security controls Because the individual developers will have AWS account root user-level access to their own accounts, the solutions architect wants to ensure that the mandatory AWS CloudTrail configuration that is applied to new developer accounts is not modified.

Which action meets these requirements?

Create an IAM policy that prohibits changes to CloudTrail, and attach it to the root user

Create a new trail in CloudTrail from within the developer accounts with the organization trails option enabled.

Create a service control policy (SCP) the prohibits changes to CloudTrail, and attach it the developer accounts

Create a service-linked role for CloudTrail with a policy condition that allows changes only from an Amazon Resource Name (ARN) in the master account

14. A company's near-real-time streaming application is running on AWS. As the data is ingested, a job runs on the data and takes 30 minutes to complete. The workload frequently experiences high latency due to large amounts of incoming data A solutions architect needs to design a scalable and serverless solution to enhance performance.

Which combination of steps should the solutions architect take? (Select TWO.)

Use Amazon Kinesis Data Firehose to ingest the data

Use AWS Lambda with AWS Step Functions to process the data.

Use AWS Database Migration Service (AWS DMS) to ingest the data.

Use Amazon EC2 instances in an Auto Scaling group to process the data

Use AWS Fargate with Amazon Elastic Container Service (Amazon ECS) to process the data.

15. A company's infrastructure consists of hundreds of Amazon EC2 instances that use Amazon Elastic Block Store (Amazon EBS) storage. A solutions architect must ensure that every EC2 instance can be recovered after a disaster

What should the solutions architect do to meet this requirement with the LEAST amount of effort?

Take a snapshot of the EBS storage that is attached to each EC2 instance Create an AWS CloudFormation template to launch new EC2 instances from the EBS storage.

Take a snapshot of the EBS storage that is attached to each EC2 instance. Use AWS Elastic Beanstalk to set the environment based on the EC2 template and attach the EBS storage.

Use AWS Backup to set up a backup plan for the entire group of EC2 instances. Use the AWS Backup API or the AWS CLI to speed up the restore process for multiple EC2 instances

Create an AWS Lambda function to take a snapshot of the EBS storage that is attached to each EC2 instance and copy the Amazon Machine Images (AMIs). Create another Lambda function to perform the restores with the copied AMIs and attach the EBS storage.

16. A company needs to provide its employees with secure access to confidential and sensitive files. The company wants to ensure that the tiles can be accessed only by authorized users. The files must be downloaded securely to the employees' devices.

The tiles are stored in an on-premises Windows file server. However, due to an increase in remote usage, the file server is running out of capacity.

Which solution will meet these requirements?

Migrate the file server to an Amazon EC2 instance in a public subnet. Configure the security group to limit inbound traffic to the employees' IP addresses.

Migrate the files to an Amazon FSx for Windows File Server file system. Integrate the Amazon FSx file system with the on-premises Active Directory. Configure AWS Client VP

Migrate the tiles to Amazon S3, and create a private VPC endpoint. Create a signed URL to allow download.

Migrate the tiles to Amazon S3, and create a public VPC endpoint. Allow employees to sign on with AWS Single Sign-On.

17. A company has two VPCs that are located in the us-west-2 Region within the same AWS account. The company needs to allow network traffic between these VPCs. Approximately 500 GB of data transfer will occur between the VPCs each month.

What is the MOST cost-effective solution to connect these VPCs'?'

Implement AWS Transit Gateway to connect the VPCs Update the route tables of each VPC to use the transit gateway for inter-VPC communication

Implement an AWS Site-to-Stte VPN tunnel between the VPCs. Update the route tables of each VPC to use the VPN tunnel for inter-VPC communication

Set up a VPC peering connection between the VPCs. Update the route tables of each VPC to use the VPC peering connection for inter-VPC communication.

Set up a 1 GB AWS Direct Connect connection between the VPCs. Update the route tables of each VPC to use the Direct Connect connection for inter-VPC communication.

18. A company has an application that collects data from loT sensors on automobiles. The data is streamed and stored in Amazon S3 through Amazon Kinesis Date Firehose. The data produces trillions of S3 objects each year. Each morning, the company uses the data from the previous 30 days to retrain a suite of machine learning (ML) models.

Four times each year, the company uses the data from the previous 12 months to perform analysis and train other ML models. The data must be available with minimal delay for up to 1 year. After 1 year, the data must be retained for archival purposes.

Which storage solution meets these requirements MOST cost-effectively?

Use the S3 Intelligent-Tiering storage class. Create an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 1 year

Use the S3 Intelligent-Tiering storage class. Configure S3 Intelligent-Tiering to automatically move objects to S3 Glacier Deep Archive after 1 year.

Use the S3 Standard-Infrequent Access (S3 Standard-IA) storage class. Create an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 1 year.

Use the S3 Standard storage class. Create an S3 Lifecycle policy to transition objects to S3 Standard-Infrequent Access (S3 Standard-IA) after 30 days, and then to S3 Glacier Deep Archive after 1 year.

19. A company is designing a new application that runs in a VPC on Amazon EC2 instances. The application stores data in Amazon S3 and uses Amazon DynamoDB as its database For compliance reasons, the company prohibits all traffic between the EC2 instances and other AWS services from passing over the public internet

What can a solutions architect do to meet this requirement?

Configure gateway VPC endpoints to Amazon S3 and DynamoDB

Configure interface VPC endpoints to Amazon S3 and DynamoDB

Configure a gateway VPC endpoint to Amazon S3. Configure an interface VPC endpoint to DynamoD

Configure a gateway VPC endpoint to DynamoDB Configure an interface VPC endpoint to Amazon S3

20. A company needs to store 160TB of data for an indefinite of time. The company must be able to use standard SQL and business intelligence tools to query all of the data. The data will be queried no more than twice each month.

What is the MOST cost-effective solution that meets these requirements?

Store the data in Amazon Aurora Serverles with MySQ

Use an SQL client to query the data.

Store the data in Amazon S3. Use AWS Glue. Amazon Athena. IDBC and COBC drivers to query the data.

Store the data in an Amazon EMR cluster with EMR File System (EMRFS) as the storage layer use Apache Presto to query the data.

Store a subnet of the data in Amazon Redshift, and store the remaining data in Amazon S3. Use Amazon Redshift Spectrum to query the S3 data.

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21. A company runs a multi-tier web application that hosts news content. The application runs on Amazon EC2 instances behind an Application Load Balancer. The instances run in an EC2 Auto Scaling group across multiple Availability Zones and use an Amazon Aurora database A solutions architect needs to make the application more resilient to periodic increases in request rates.

Which architecture should the solutions architect implement? (Select TWO.)

Add AWS Shield

Add Aurora Replicas.

Add AWS Direct Connect

Add AWS Global Accelerator.

Add an Amazon CloudFront distribution in front of the Application Load Balancer

22. A company is designing an internet-facing web application. The application runs on Amazon EC2 for Linux-based instances that store sensitive user data in Amazon RDS MySQL Multi-AZ DB instances. The EC2 instances are in public subnets, and the RDS DB instances are in private subnets. The security team has mandated that the DB instances be secured against web-based attacks.

What should a solutions architect recommend?

Ensure the EC2 instances are part of an Auto Scaling group and are behind an Application Load Balancer Configure the EC2 instance iptables rules to drop suspicious web traffic. Create a security group for the DB instances. Configure the RDS security group to only allow port 3306 inbound from the individual EC2 instances.

Ensure the EC2 instances are part of an Auto Scaling group and are behind an Application Load Balancer. Move DB instances to the same subnets that EC2 instances are located in. Create a security group for the DB instances Configure the RDS security group to only allow port 3306 inbound from the individual EC2 instances.

Ensure the EC2 instances are part of an Auto Scaling group and are behind an Application Load Balancer. Use AWS WAF to monitor inbound web traffic for threats Create a security group for the web application servers and a security group for the DB instances. Configure the RDS security group to only allow port 3306 inbound from the web application server security group

Ensure the EC2 instances are part of an Auto Scaling group and are behind an Application Load Balancer. Use AWS WAF to monitor inbound web traffic for threats Configure the Auto Scaling group to automatically create new DB instances under heavy traffic. Create a security group for the RDS DB instances. Configure the RDS security group to only allow port 3306 inbound.

23. A development team needs to host a website that will be accessed by other teams. The website contents consist of HTML. CSS, client-side JavaScript, and images.

Which method is the MOST cost-effective for hosting the website?

Containerize the website and host it in AWS Fargate.

Create an Amazon S3 bucket and host the website there

Deploy a web server on an Amazon EC2 instance to host the website.

Configure an Application Loa d Balancer with an AWS Lambda target that uses the Express js framework.

24. A company has two VPCs named Management and Production. The Management VPC uses VPNs through a customer gateway to connect to a single device in the data center. The Production VPC uses a virtual private gateway with two attached AWS Direct Connect connections. The Management and Production VPCs both use a single VPC peering connection to allow communication between the applications.

What should a solutions architect do to mitigate any single point of failure in this architecture?

Add a set of VPNs between the Management and Production VPCs

Add a second virtual private gateway and attach it to the Management VP

Add a second set of VPNs to the Management VPC from a second customer gateway device

Add a second VPC peering connection between the Management VPC and the Production VP

25. A company's security team requests that network traffic be captured in VPC Flow Logs. The logs will be frequently accessed for 90 days and then accessed intermittently.

What should a solutions architect do to meet these requirements when configuring the logs?

Use Amazon CloudWatch as the target. Set the CloudWatch log group with an expiration of 90 days.

Use Amazon Kinesis as the target Configure the Kinesis stream to always retain the logs for 90 days

Use AWS CloudTrail as the target. Configure CloudTrail to save to an Amazon S3 bucket, and enable S3 Intelligent-Tiering

Use Amazon S3 as the target Enable an S3 Lifecycle policy to transition the logs to S3 Standard-Infrequent Access (S3 Standard-IA) after 90 days

26. A company is running a multi-tier web application on premises. The web application is containerized and runs on a number of Linux hosts connected to a PostgreSQL database that contains user records. The operational overhead of maintaining the infrastructure and capacity planning is limiting the company's growth A solutions architect must improve the application's infrastructure.

Which combination of actions should the solutions architect take to accomplish this? (Select TWO.)

Migrate the PostgreSQL database to Amazon Aurora

Migrate the web application to be hosted on Amazon EC2 instances.

Set up an Amazon CloudFront distribution for the web application content.

Set up Amazon ElastiCache between the web application and the PostgreSQL database.

Migrate the web application to be hosted on AWS Fargate with Amazon Elastic Container Service (Amazon ECS).

27. A company recently signed a contract with an AWS Managed Service Provider (MSP) Partner for help with an application migration initiative. A solutions architect needs to share an Amazon Machine Image (AMI) from an existing AWS account with the MSP Partner's AWS account. The AMI is backed by Amazon Elastic Block Store (Amazon EBS) and uses a customer managed customer master key (CMK) to encrypt EBS volume snapshots.

What is the MOST secure way for the solutions architect to share the AMI with the MSP Partner's AWS account?

Make the encrypted AMI and snapshots publicly available. Modify the CMK's key policy to allow the MSP Partner's AWS account to use the key

Modify the launchPermission property of the AM

Share the AMI with the MSP Partner's AWS account only. Modify the CMK's key policy to allow the MSP Partner's AWS account to use the key.

Modify the launchPermission property of the AMI Share the AMI with the MSP Partner's AWS account only. Modify the CMK's key policy to trust a new CMK that is owned by the MSP Partner for encryption.

Export the AMI from the source account to an Amazon S3 bucket in the MSP Partner's AWS account. Encrypt the S3 bucket with a CMK that is owned by the MSP Partner Copy and launch the AMI in the MSP Partner's AWS account.

28. A company has applications that are deployed in multiple AWS Regions. The applications use an architecture that is based on Amazon EC2, Amazon Elastic Block Store (Amazon EBS), Amazon Elastic File System (Amazon EFS). and Amazon DynamoDB

The company lacks a mechanism for centralized data backup. A solutions architect must centralize data backup with the least possible operational effort.

What should the solutions architect do to meet these requirements?

Tag all resources by project Use AWS Systems Manager to set up snapshots by project and set DynamoDB incremental backups.

Tag all resources by project. Create backup plans in AWS Backup to back up the data by tag name according to each project's needs.

Tag all resources by project Create an AWS Lambda function to run on schedule and take snapshots of each EC2 instance. EBS volume, and EFS file system by project Configure the function to invoke DynamoDB on-demand backup.

Use AWS CloudFormation to create a template for every new project so that all resources can be recreated at any time. Set the template to take daily snapshots of each EC2 instance r EBS volume and EFS file system Set the template to use DynamoDB on-demand backup for daily backups

29. A company allows its developers to attach existing IAM policies to existing IAM roles to enable faster experimentation and agility. However, the security operations team is concerned that the developers could attach the existing administrator policy, which would allow the developers to circumvent any other security policies.

How should a solution architect address this issue?

Create an Amazon SNS topic to send an alert every time a developer create a new policy.

Use service control policies to disable IAM across all account in the organizational unit.

Prevent the developers from attaching any policies and duties to the security option team.

Set an IAM permission boundary on the developer IAM role that explicitly dries of attaching the administrator policy

30. A company hosls historical weather records in Amazon S3. The records are downloaded from the company's website by way of a URL that resolves to a domain name Users all over the world access this content through subscriptions A third-party provider hosts the company's root domain name, but the company recently migrated some of its services to Amazon Route 53. The company wants to consolidate contracts, reduce latency for users, and reduce costs related to serving the application to subscribers

Which solution meets these requirements?

Create a web distribution on Amazon CloudFront to serve the S3 content for the application Create a CNAME record in a Route 53 hosted zone that points to the CloudFront distribution, resolving to the application's URL domain name.

Create a web distribution on Amazon CloudFront to serve the S3 content for the application. Create an ALIAS record in the Amazon Route 53 hosted zone that points to the CloudFront distribution, resolving to the application's URL domain name.

Create an A record in a Route 53 hosted zone for the application. Create a Route 53 traffic policy for the web application, and configure a geolocation rule Configure health checks to check the health of the endpoint and route DNS queries to other endpoints if an endpoint is unhealthy.

Create an A record in a Route 53 hosted zone for the application Create a Route 53 traffic policy for the web application, and configure a geoproximity rule. Configure health checks to check the health of the endpoint and route DNS queries to other endpoints if an endpoint is unhealthy

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31. A company has an application that uses Amazon Elastic File System (Amazon EFS) to store data. The files are 1 GB in size or larger and are accessed often only for the first few days after creation. The application data is shared across a cluster of Linux servers. The company wants to reduce storage costs for the application.

What should a solutions architect do to meet these requirements?

Implement Amazon FSx and mount the network drive on each server

Move the files from Amazon EFS and store them locally on each Amazon EC2 instance

Configure a lifecycle policy to move the files to the EFS Infrequent Access (IA) storage class after 7 days.

Move the files to Amazon S3 with S3 Lifecycle policies enabled. Rewrite the application to support mounting the S3 bucket

32. A company wants to run a hybrid workload for data processing. The data needs to be accessed by on-premises applications for local data processing using an NFS protocol and must also be accessible from the AWS Cloud for further analytics and batch processing

Which solution will meet these requirements?

Use an AWS Storage Gateway file gateway to provide file storage to AWS: then perform analytics on this data in the AWS Cloud

Use an AWS Storage Gateway tape gateway to copy the backup of the local data to AW

then perform analytics on this data in the AWS Cloud.

Use an AWS Storage Gateway volume gateway in a stored volume configuration to regularly take snapshots of the local data, then copy the data to AW

Use an AWS Storage Gateway volume gateway in a cached volume configuration to back up all the local storage in the AWS Cloud, then perform analytics on this data in the cloud.

33. The application's traffic is often low. but it occasionally grows significantly. During these sudden increases in traffic, DynamoDB returns throttling errors. The result is that error pages are displayed to end users.

What should a solutions architect do to reduce these errors?

Change the DynamoDB table to use on-demand capacity mode.

Create a DynamoDB read replica to scale the read traffic horizontally.

Purchase DynamoDB reserved capacity of 1,000 RCUs and 500 WCUs.

Configure the application to use strongly consistent reads for DynamoDB queries.

34. A company has a mobile chat application with a data store based in Amazon DynamoDB. Users would like new messages to be need with as little latency as possible. A possible architect needs design an optimal solution that requires minimal application changes.

Which method should the solution architect select?

Configure amazon DynamoDB Accelerator (DAX) for the new messages table. Update the code to use DAX endpoint.

AddDynamoDB read replicas to handle the increased read lead the application to point to the read endpoint for the read replicas.

Double the number of read capacity units for the new messages table in DynamoD

Continue to use the existing DynamoDB endpoint.

Add an Amazon ElastiCache for Redis cache to the application stack. Update the application to point to the Redis cache endpoint of DynamoD

35. An application running on AWS uses an Amazon Aurora Multi-AZ deployment for its database When evaluating performance metrics, a solutions architect discovered that the database reads are causing high I/O and adding latency to the write requests against the database

What should the solutions architect do to separate the read requests from the write requests?

Enable read-through caching on the Amazon Aurora database.

Update the application to read from the Multi-AZ standby instance

Create a read replica and modify the application to use the appropriate endpoint.

Create a second Amazon Aurora database and link it to the primary database as a read replica

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