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AWS Certified Solutions Architect - Associate (SAA C03)

The AWS Certified Solutions Architect - Associate (SAA C03) validates the ability to design cost-effective and resilient distributed systems on the AWS platform. It emphasizes the implementation of the AWS Well-Architected Framework to ensure security, performance, and reliability. Holding the symbol AWS_SAA is a critical milestone for architects responsible for translating business requirements into technical cloud designs.





---------- Question 1
Your company has a legacy application running on-premises that needs to be migrated to AWS. The application uses a complex, proprietary authentication system. The migration strategy should minimize disruption and maintain existing security controls. Which approach best balances security and ease of migration?
  1. Immediately decommission the legacy authentication system and integrate with AWS IAM.
  2. Use AWS IAM Identity Center (AWS SSO) to federate with the existing on-premises authentication system during the migration.
  3. Replace the legacy system with Amazon Cognito, creating new user accounts.
  4. Migrate the application without changes, relying solely on existing on-premises security.

---------- Question 2
You need to deploy a web application across multiple Availability Zones (AZs) for high availability. Which AWS service would be the MOST critical for ensuring automatic failover and load balancing?
  1. Amazon EC2
  2. Amazon S3
  3. Elastic Load Balancing (ELB)
  4. Amazon Route 53

---------- Question 3
You need to deploy a globally distributed application with low latency for users in different regions. Which AWS service would be MOST suitable for distributing your application's static content?
  1. Amazon S3 with CloudFront.
  2. Amazon EC2 with Auto Scaling.
  3. Amazon RDS Multi-AZ.
  4. Amazon ElastiCache.

---------- Question 4
A large-scale application is experiencing slowdowns. Which AWS service helps identify performance bottlenecks within the application itself?
  1. Amazon CloudWatch
  2. AWS X-Ray
  3. AWS CloudTrail
  4. Amazon SNS

---------- Question 5
You're experiencing slow database queries affecting application performance. Which technique is LEAST likely to improve query performance?
  1. Adding indexes to database tables.
  2. Optimizing database queries.
  3. Increasing the instance size of the database server.
  4. Reducing the number of database connections.

---------- Question 6
You are designing a highly scalable web application that needs to handle large traffic spikes. The application uses Amazon EC2 instances as its compute layer. Which combination of AWS services will best ensure scalability and cost efficiency during these traffic spikes?
  1. Use a fixed number of EC2 instances and rely on vertical scaling to handle traffic spikes.
  2. Use Amazon EC2 Auto Scaling with EC2 On-Demand Instances.
  3. Use Amazon EC2 Auto Scaling with EC2 Spot Instances.
  4. Use a single, very large EC2 instance to handle all traffic.

---------- Question 7
You need to store sensitive configuration data for your application running on EC2 instances. Which service is MOST suitable for this purpose, considering both security and ease of use?
  1. Storing the data directly in the application code.
  2. Storing the data in an S3 bucket.
  3. AWS Secrets Manager
  4. Storing the data in an Amazon DynamoDB table.

---------- Question 8
Your application relies heavily on a specific Amazon RDS instance. To ensure high availability and minimize downtime, what's the best strategy?
  1. Implement read replicas in a different Availability Zone.
  2. Use Amazon RDS Multi-AZ deployments.
  3. Configure automated backups.
  4. Use Amazon EBS snapshots for backups.

---------- Question 9
A small business needs a simple website with low traffic. Which service combination is the most cost-effective?
  1. EC2 with Elastic Load Balancing and RDS
  2. S3 website hosting with Route 53
  3. Lambda with API Gateway and DynamoDB
  4. ECS with Auto Scaling and S3

---------- Question 10
You're designing an architecture for a large-scale data processing pipeline that involves significant storage needs. Which storage tier offers the lowest cost per GB for infrequently accessed data?
  1. Amazon S3 Standard
  2. Amazon S3 Intelligent-Tiering
  3. Amazon S3 Glacier Deep Archive
  4. Amazon EBS Magnetic

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