Amazon SAA-C02 AWS Certified Solutions Architect – Associate Online Training
Amazon SAA-C02 Online Training
The questions for SAA-C02 were last updated at Mar 02,2026.
- Exam Code: SAA-C02
- Exam Name: AWS Certified Solutions Architect – Associate
- Certification Provider: Amazon
- Latest update: Mar 02,2026
A social media company is building a feature tor its website. The feature will give users the ability to upload photos. The company expects significant increases in demand during large events and must ensure that the website can handle the upload traffic from users.
Which solution meets these requirements with the MOST scalability?
- A . Upload files from the user’s browser to the application servers Transfer the files to an Amazon S3 bucket.
- B . Provision an AWS Storage Gateway file gateway. Upload files directly from the user’s browser to the file gateway.
- C . Generate Amazon S3 presigned URLs in the application. Upload files directly from the user’s browser into an S3 bucket
- D . Provision an Amazon Elastic File System (Amazon EFS) file system. Upload files directly from the user’s browser to the file system.
A company has developed a microservices application. It uses a client-facing API with Amazon API Gateway and multiple internal services hosted on Amazon EC2 instances to process user requests. The API is designed to support unpredictable surges in traffic, but internal services may become overwhelmed and unresponsive for a period of time during surges A solutions architect needs to design a more reliable solution that reduces errors when internal services become unresponsive or unavailable
Which solution meets these requirements?
- A . Use AWS Auto Scaling to scale up internal services when there is a surge in traffic
- B . Use different Availability Zones to host internal services. Send a notification to a system administrator when an internal service becomes unresponsive.
- C . Use an Elastic Load Balancer to distribute the traffic between internal services Configure Amazon CloudWatch metrics to monitor traffic to internal services.
- D . Use Amazon Simple Queue Service (Amazon SQS) to store user requests as they arrive. Change the internal services to retrieve the requests from the queue for processing.
A solutions architect is designing a multi-tier application for a company. The application’s users upload images from a mobile device. The application generates a thumbnail of each image and returns a message to the user to confirm that the image was uploaded successfully.
The thumbnail generation can take up to 60 seconds, but the company wants to provide a faster response time to its users to notify them that the original image was received. The solutions architect must design the application to asynchronously dispatch requests to the different application tiers.
What should the solutions architect do to meet these requirements?
- A . Write a custom AWS Lambda function to generate the thumbnail and alert the user. Use the image upload process as an event source to invoke the Lambda function.
- B . Create an AWS Step Functions workflow Configure Step Functions to handle the orchestration between the application tiers and alert the user when thumbnail generation is complete
- C . Create an Amazon Simple Queue Service (Amazon SQS) message queue. As images are uploaded, place a message on the SQS queue for thumbnail generation. Alert the user through an application message that the image was received
- D . Create Amazon Simple Notification Service (Amazon SNS) notification topics and subscriptions Use one subscription with the application to generate the thumbnail after the image upload is complete. Use a second subscription to message the user’s mobile app by way of a push notification after thumbnail generation is complete.
A company has an ecommerce application that stores data in an on-premises SQL database. The company has decided to migrate this database to AWS. However, as part of the migration, the company wants to find a way to attain sub-millisecond responses to common read requests
A solutions architect knows that the increase in speed is paramount and that a small percentage of stale data returned in the database reads is acceptable.
What should the solutions architect recommend’?
- A . Build Amazon RDS read replicas.
- B . Build the database as a larger instance type.
- C . Build a database cache using Amazon ElastiCache
- D . Build a database cache using Amazon Elasticsearch Service (Amazon ES).
A company uses a payment processing system that requires messages for a particular payment ID to be received in the same order that they were sent Otherwise, the payments might be processed incorrectly.
Which actions should a solutions architect take to meet this requirement? (Select TWO.)
- A . Write the messages to an Amazon DynamoDB table with the payment ID as the partition key
- B . Write the messages to an Amazon Kinesis data stream with the payment ID as the partition key.
- C . Write the messages to an Amazon ElastiCache for Memcached cluster with the payment ID as the key
- D . Write the messages to an Amazon Simple Queue Service (Amazon SQS) queue Set the message attribute to use the payment ID
- E . Write the messages to an Amazon Simple Queue Service (Amazon SQS) FIFO queue.
Set the message group to use the payment ID.
A company is developing a new online gaming application. The application will run on Amazon EC2 instances in multiple AWS Regions and will have a high number of globally distributed users A solutions architect must design the application to optimize network latency for the users.
Which actions should the solutions architect take to meet these requirements? (Select TWO.)
- A . Configure AWS Global Accelerator Create Regional endpoint groups in each Region where an EC2 fleet is hosted
- B . Create a content delivery network (CDN) by using Amazon CloudFront Enable caching for static and dynamic content, and specify a high expiration period
- C . Integrate AWS Client VPN into the application. Instruct users to select which Region is closest to them after they launch the application. Establish a VPN connection to that Region
- D . Create an Amazon Route 53 weighted routing policy Configure the routing policy to give the highest weight to the EC2 instances in the Region that has the largest number of users.
- E . Configure an Amazon API Gateway endpoint in each Region where an EC2 fleet is hosted Instruct users to select which Region is closest to them after they launch the application. Use the API Gateway endpoint that is closest to them.
A company has a service that produces event data. The company wants to use AWS to process the event data as it is received. The data is written in a specific order that must be maintained throughout processing. The company wants to implement a solution that minimizes operational overhead.
How should a solutions architect accomplish this?
- A . Create an Amazon Simple Queue Service (Amazon SQS) FIFO queue to hold messages Set up an AWS Lambda function to process messages from the queue
- B . Create an Amazon Simple Notification Service (Amazon SNS) topic to deliver notifications containing payloads to process Configure an AWS Lambda function as a subscriber.
- C . Create an Amazon Simple Queue Service (Amazon SQS) standard queue to hold messages. Set up an AWS Lambda function to process messages from the queue independently
- D . Create an Amazon Simple Notification Service (Amazon SNS) topic to deliver notifications containing payloads to process. Configure an Amazon Simple Queue Service (Amazon SQS) queue as a subscriber.
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.)
- A . AWS Fargete
- B . AWS Lambda
- C . Amazon DynamoDB
- D . Amazon EC2 Auto Scaling
- E . MySQL-compatible Amazon Aurora
A solution architect at a company is designing the architecture for a two-tiered web application. The web application is composed of an internet facing application load balancer that forwards traffic to an auto scaling group of amazon EC2 instances. The EC2 instances must be able to access a database that runs on Amazon RDS.
The company has requested a defence-in-depth approach to the network layout. The company does not want to rely solely on security groups or network ACLs. Only the minimum resources that are necessary should be routable from the internet.
Which network design should the solutions architect recommend to meet these requirements?
- A . Place the ALB, EC2 instances and RDS database in private subnets.
- B . Place the ALB in public subnets. Place the EC2 instances and RDS database in private subnets
- C . Place the ALB and EC2 instances in public subnets. Place the RDS database in private subnets
- D . Place the ALB outside the VPC. Place the EC2 instances and RDS database in private subnets.
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.)
- A . Migrate the PostgreSQL database to Amazon Aurora
- B . Migrate the web application to be hosted on Amazon EC2 instances.
- C . Set up an Amazon CloudFront distribution for the web application content.
- D . Set up Amazon ElastiCache between the web application and the PostgreSQL database.
- E . Migrate the web application to be hosted on AWS Fargate with Amazon Elastic Container Service (Amazon ECS).
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