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Amazon SAA-C03 certification is an industry-recognized credential for IT professionals who want to prove their expertise in designing and deploying scalable, highly available, and fault-tolerant systems on the Amazon Web Services (AWS) cloud platform. AWS Certified Solutions Architect - Associate certification is designed for individuals who have experience with AWS and are capable of identifying and defining requirements for AWS-based applications, services, and systems.

Amazon SAA-C03 Exam is designed to test the knowledge and skills of individuals who want to become certified Amazon AWS Solutions Architects. AWS Certified Solutions Architect - Associate certification is highly valued in the IT industry and is recognized globally. The Amazon SAA-C03 certification exam validates the candidate's proficiency in designing and deploying scalable, highly available, and fault-tolerant systems on the AWS platform.

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Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q384-Q389):

NEW QUESTION # 384
Question:
A company wants to migrate an application to AWS. The application runs on Docker containers behind an Application Load Balancer (ALB). The application stores data in a PostgreSQL database. The cloud-based solution must use AWS WAF to inspect all application traffic. The application experiences most traffic on weekdays. There is significantly less traffic on weekends. Which solution will meet these requirements in the MOST cost-effective way?
Options:

A. Use a Network Load Balancer (NLB). Create a web access control list (web ACL) in AWS WAF that has the necessary rules. Attach the web ACL to the NLB. Run the application on Amazon Elastic Container Service (Amazon ECS). Use Amazon Aurora Serverless as the database.
B. Use a Network Load Balancer (NLB). Create a web access control list (web ACL) in AWS WAF that includes the necessary rules. Attach the web ACL to the NLB. Run the application on Amazon Elastic Container Service (Amazon ECS). Use Amazon RDS for PostgreSQL as the database.
C. Create a web access control list (web ACL) in AWS WAF that includes the necessary rules. Attach the web ACL to the ALB. Run the application on Amazon Elastic Kubernetes Service (Amazon EKS). Use Amazon RDS for PostgreSQL as the database.
D. Create a web access control list (web ACL) in AWS WAF that includes the necessary rules. Attach the web ACL to the ALB. Run the application on Amazon Elastic Container Service (Amazon ECS). Use Amazon Aurora Serverless as the database.

Answer: D

Explanation:
Comprehensive and Detailed Explanation:
Using an Application Load Balancer (ALB) allows for integration with AWS WAF to inspect all incoming traffic. Running the application on Amazon ECS provides a scalable and managed container orchestration service. Utilizing Amazon Aurora Serverless for the PostgreSQL database offers automatic scaling based on application demand, which is cost-effective for workloads with variable traffic patterns, such as higher traffic on weekdays and lower traffic on weekends.
Reference: Optimizing cost savings: The advantage of Amazon Aurora over self-managed open-source databases

NEW QUESTION # 385
A large international university has deployed all of its compute services in the AWS Cloud These services include Amazon EC2. Amazon RDS. and Amazon DynamoDB. The university currently relies on many custom scripts to back up its infrastructure. However, the university wants to centralize management and automate data backups as much as possible by using AWS native options.
Which solution will meet these requirements?

A. Use AWS Backup to configure and monitor all backups for the services in use
B. Use AWS Config to set lifecycle management to take snapshots of all data sources on a schedule.
C. Use AWS Systems Manager State Manager to manage the configuration and monitoring of backup tasks.
D. Use third-party backup software with an AWS Storage Gateway tape gateway virtual tape library.

Answer: A

Explanation:
* Understanding the Requirement: The university wants to centralize management and automate backups for its AWS services (EC2, RDS, and DynamoDB), reducing reliance on custom scripts.
* Analysis of Options:
* Third-party backup software with AWS Storage Gateway: This solution introduces external dependencies and adds complexity compared to using native AWS services.
* AWS Backup: Provides a centralized, fully managed service to automate and manage backups across various AWS services, including EC2, RDS, and DynamoDB.
* AWS Config: Primarily used for compliance and configuration monitoring, not for backup management.
* AWS Systems Manager State Manager: Useful for configuration management but not specifically designed for managing backups.
* Best Solution:
* AWS Backup: This service offers the necessary functionality to centralize and automate backups, providing a streamlined and integrated solution with minimal effort.
References:
* AWS Backup

NEW QUESTION # 386
A company has a production Amazon RDS for MySQL database. The company needs to create a new application that will read frequently changing data from the database with minimal impact on the database's overall performance. The application will rarely perform the same query more than once.
What should a solutions architect do to meet these requirements?

A. Set up an Application Load Balancer (ALB). Query the results in the ALB.
B. Set up a read replica for the database. Query the read replica.
C. Set up querying of database snapshots. Query the database snapshots.
D. Set up an Amazon ElastiCache cluster. Query the results in the cluster.

Answer: B

Explanation:
Amazon RDS read replicas provide a way to offload read traffic from the primary database, allowing read- intensive applications to query the replica without impacting the performance of the production (write) database. This is especially effective for workloads that involve frequently changing data but do not benefit from caching, since queries are rarely repeated.
Reference Extract from AWS Documentation / Study Guide:
"Read replicas allow you to elastically scale out beyond the capacity constraints of a single DB instance for read-heavy database workloads." Source: AWS Certified Solutions Architect - Official Study Guide, RDS Read Replica section.

NEW QUESTION # 387
[Design High-Performing Architectures]
A company is implementing new data retention policies for all databases that run on Amazon RDS DB instances. The company must retain daily backups for a minimum period of 2 years. The backups must be consistent and restorable.
Which solution should a solutions architect recommend to meet these requirements?

A. Configure database transaction logs to be automatically backed up to Amazon CloudWatch Logs with an expiration period of 2 years.
B. Configure an AWS Database Migration Service (AWS DMS) replication task. Deploy a replication instance, and configure a change data capture (CDC) task to stream database changes to Amazon S3 as the target. Configure S3 Lifecycle policies to delete the snapshots after 2 years.
C. Create a backup vault in AWS Backup to retain RDS backups. Create a new backup plan with a daily schedule and an expiration period of 2 years after creation. Assign the RDS DB instances to the backup plan.
D. Configure a backup window for the RDS DB instances for daily snapshots. Assign a snapshot retention policy of 2 years to each RDS DB instance. Use Amazon Data Lifecycle Manager (Amazon DLM) to schedule snapshot deletions.

Answer: C

Explanation:
AWS Backup is a fully managed service that enables users to centralize and automate the backup of data across AWS services. It can create and manage backup plans that specify the frequency and retention period of backups. It can also assign backup resources to backup vaults, which are containers that store backup data1. By using AWS Backup, the solution can ensure that the RDS backups are consistent, restorable, and retained for a minimum period of 2 years.
B . Configure a backup window for the RDS DB instances for daily snapshots. Assign a snapshot retention policy of 2 years to each RDS DB instance. Use Amazon Data Lifecycle Manager (Amazon DLM) to schedule snapshot deletions. This solution will not meet the requirement of ensuring that the backupsare consistent and restorable, as Amazon DLM is not compatible with RDS snapshots and cannot be used to schedule snapshot deletions2.
C . Configure database transaction logs to be automatically backed up to Amazon CloudWatch Logs with an expiration period of 2 years. This solution will not meet the requirement of ensuring that the backups are consistent and restorable, as database transaction logs are not sufficient to restore a database to a point in time. They only capture the changes made to the database, not the full state of the database3.
D . Configure an AWS Database Migration Service (AWS DMS) replication task. Deploy a replication instance, and configure a change data capture (CDC) task to stream database changes to Amazon S3 as the target. Configure S3 Lifecycle policies to delete the snapshots after 2 years. This solution will not meet the requirement of ensuring that the backups are consistent and restorable, as AWS DMS is a service that helps users migrate databases to AWS, not back up databases. It also requires additional resources and configuration, such as replication instances and CDC tasks.
Reference URL: https://docs.aws.amazon.com/aws-backup/latest/devguide/whatisbackup.html

NEW QUESTION # 388
A company that has multiple AWS accounts maintains an on-premises Microsoft Active Directory. The company needs a solution to implement Single Sign-On for its employees. The company wants to use AWS IAM Identity Center.
The solution must meet the following requirements:
Allow users to access AWS accounts and third-party applications by using existing Active Directory credentials.
Enforce multi-factor authentication (MFA) to access AWS accounts.
Centrally manage permissions to access AWS accounts and applications.
Options:

A. Use IAM Identity Center with the existing Active Directory as the identity source. Enforce MFA for all users. Use AWS Organizations and Active Directory groups to manage access permissions for AWS accounts and application access.
B. Create an IAM identity provider for Active Directory in each AWS account. Ensure that Active Directory users and groups access AWS accounts directly through IAM roles. Use IAM Identity Center to enforce MFA in each account for all users.
C. Use AWS Directory Service to create a new AWS Managed Microsoft AD Active Directory. Configure IAM Identity Center in each account to use the new AWS Managed Microsoft AD Active Directory as the identity source. Use IAM Identity Center to enforce MFA for all users.
D. Use AWS Lambda functions to periodically synchronize Active Directory users and groups with IAM users and groups in each AWS account. Use IAM roles and policies to manage application access.
Create a second Lambda function to enforce MFA.

Answer: A

Explanation:
Detailed Explanation:
A). IAM identity provider:Does not support centralized management across multiple accounts.
B). AWS Managed AD:Unnecessary if an on-premises Active Directory already exists.
C). IAM Identity Center + Existing AD:Best approach to integrate existing Active Directory for SSO, with MFA and centralized permissions.
D). Lambda for synchronization:Adds complexity and does not leverage IAM Identity Center capabilities.
References:AWS IAM Identity Center

NEW QUESTION # 389
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