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Amazon SAA-C03 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Design Cost-Optimized Architectures	20%	- Design cost-optimized compute solutions 1. EC2 purchasing options (On-Demand, Reserved, Spot, Savings Plans) 2. Right-sizing instances 3. Auto Scaling for cost optimization 4. AWS Lambda pricing model - Design cost-optimized network architectures 1. CloudFront to reduce origin load 2. Data transfer costs 3. AWS Direct Connect for cost optimization 4. VPC endpoints to reduce NAT costs - Design cost-optimized storage solutions 1. S3 Intelligent-Tiering 2. S3 storage classes and lifecycle policies 3. EBS volume type selection 4. EFS cost optimization - Design cost-optimized database solutions 1. ElastiCache for caching 2. RDS Reserved Instances 3. Aurora Serverless 4. DynamoDB capacity modes (On-demand vs Provisioned)
Topic 2: Design High-Performing Architectures	24%	- Determine high-performing data ingestion and transformation solutions 1. Amazon MSK 2. Amazon Kinesis 3. AWS Data Pipeline 4. AWS Glue - Design high-performing and elastic compute solutions 1. Amazon EC2 instance types and families 2. AWS Lambda 3. Amazon ECS and EKS 4. AWS Elastic Beanstalk - Determine high-performing and/or scalable storage solutions 1. Amazon S3 storage classes and lifecycle policies 2. Amazon EBS volume types 3. Instance Store 4. Amazon EFS 5. Amazon FSx - Determine high-performing database solutions 1. Amazon RDS and Aurora 2. Amazon Redshift 3. Amazon ElastiCache (Redis/Memcached) 4. Amazon DynamoDB - Determine high-performing and/or scalable network architectures 1. AWS Global Accelerator 2. Amazon Route 53 3. Amazon CloudFront 4. VPC endpoints 5. AWS Direct Connect
Topic 3: Design Resilient Architectures	26%	- Design scalable and loosely coupled architectures 1. Elastic Load Balancing 2. Amazon EventBridge 3. Amazon SQS and SNS 4. Auto Scaling groups 5. Amazon API Gateway - Design highly available and/or fault-tolerant architectures 1. AWS Global Accelerator 2. Multi-Region architectures 3. Disaster recovery strategies (backup/restore, pilot light, warm standby, multi-site) 4. Amazon Route 53 routing policies 5. Multi-AZ deployments
Topic 4: Design Secure Architectures	30%	- Design secure workloads and applications 1. Security groups and NACLs 2. Encryption at rest and in transit 3. AWS KMS and CloudHSM 4. AWS WAF and Shield - Determine appropriate data security controls 1. Data backup and recovery 2. Data classification 3. Data encryption strategies 4. Amazon Macie and GuardDuty - Design secure access to AWS resources 1. IAM policies and roles 2. AWS Organizations and SCPs 3. Identity federation 4. Multi-factor authentication (MFA)

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Amazon AWS Certified Solutions Architect - Associate Sample Questions (Q563-Q568):

NEW QUESTION # 563
A company has multiple VPCs across AWS Regions to support and run workloads that are isolated from workloads in other Regions Because of a recent application launch requirement, the company's VPCs must communicate with all other VPCs across all Regions.
Which solution will meet these requirements with the LEAST amount of administrative effort?

A. Use AWS PrivateLink across all Regions to connect VPCs across Regions and manage VPC communications.
B. Use VPC peering to manage VPC communication in a single Region Use VPC peering across Regions to manage VPC communications.
C. Use AWS Transit Gateway to manage VPC communication in a single Region and Transit Gateway peering across Regions to manage VPC communications.
D. Use AWS Direct Connect gateways across all Regions to connect VPCs across regions and manage VPC communications.

Answer: C

Explanation:
* Understanding the Requirement: The company needs to enable communication between VPCs across multiple AWS Regions with minimal administrative effort.
* Analysis of Options:
* VPC Peering: Managing multiple VPC peering connections across regions is complex and difficult to scale, leading to significant administrative overhead.
* AWS Direct Connect Gateways: Primarily used for creating private connections between AWS and on-premises environments, not for inter-VPC communication across regions.
* AWS Transit Gateway: Simplifies VPC interconnections within a region and supports Transit Gateway peering for cross-region connectivity, reducing administrative complexity.
* AWS PrivateLink: Used for accessing AWS services and third-party services over a private connection, not for inter-VPC communication.
* Best Solution:
* AWS Transit Gateway with Transit Gateway Peering: This option provides a scalable and efficient solution for managing VPC communications both within a single region and across multiple regions with minimal administrative overhead.
References:
* AWS Transit Gateway
* Transit Gateway Peering

NEW QUESTION # 564
A company has an Amazon S3 bucket that contains critical data. The company must protect the data from accidental deletion.
Which combination of steps should a solutions architect take to meet these requirements? (Choose two.)

A. Create a bucket policy on the S3 bucket.
B. Enable MFA Delete on the S3 bucket.
C. Enable default encryption on the S3 bucket.
D. Enable versioning on the S3 bucket.
E. Create a lifecycle policy for the objects in the S3 bucket.

Answer: B,D

Explanation:
To protect data in an S3 bucket from accidental deletion, versioning should be enabled, which enables you to preserve, retrieve, and restore every version of every object in an S3 bucket. Additionally, enabling MFA (multi-factor authentication) Delete on the S3 bucket adds an extra layer of protection by requiring an authentication token in addition to the user's access keys to delete objects in the bucket.
Reference:
AWS S3 Versioning documentation: https://docs.aws.amazon.com/AmazonS3/latest/dev/Versioning.html AWS S3 MFA Delete documentation: https://docs.aws.amazon.com/AmazonS3/latest/dev/UsingMFADelete.
html

NEW QUESTION # 565
A company is running several business applications in three separate VPCs within me us-east-1 Region. The applications must be able to communicate between VPCs. The applications also must be able to consistently send hundreds to gigabytes of data each day to a latency-sensitive application that runs in a single on-premises data center.
A solutions architect needs to design a network connectivity solution that maximizes cost-effectiveness Which solution moots those requirements?

A. Set up one AWS Direct Connect connection from the data center to AWS. Create a transit gateway, and attach each VPC to the transit gateway. Establish connectivity between the Direct Connect connection and the transit gateway.
B. Launch a third-party virtual network appliance in each VPC Establish an iPsec VPN tunnel between the Data center and each virtual appliance
C. Set up three AWS Direct Connect connections from the data center to a Direct Connect gateway in us-east-1 Establish connectivity by configuring each VPC to use one of the Direct Connect connections
D. Configure three AWS Site-to-Site VPN connections from the data center to AWS Establish connectivity by configuring one VPN connection for each VPC

Answer: A

Explanation:
Explanation
https://docs.aws.amazon.com/whitepapers/latest/aws-vpc-connectivity-options/aws-direct-connect-aws-transit-ga

NEW QUESTION # 566
A company uses a general-purpose instance class Amazon RDS for MySQL DB instance. The company has configured the DB instance in a Multi-AZ configuration across two Availability Zones as part of the company
' s production application.
The company ' s finance team needs to run SQL queries against the DB instance to generate reports.
Customers have reported significant performance issues with the application during report generation.
A solutions architect needs to minimize the effect of the reporting job on the DB instance.
Which solution will meet these requirements?

A. Add an RDS read replica. Update the reporting job to query the replica endpoint.
B. Update the RDS DB instance configuration to use three Availability Zones.
C. Change the RDS configuration from a general-purpose instance class to a memory-optimized instance class.
D. Create a proxy in Amazon RDS Proxy. Update the reporting job to query the proxy endpoint.

Answer: A

Explanation:
The issue described is a classic case of read-heavy reporting workloads interfering with transactional application traffic. Although the RDS instance is configured for Multi-AZ, Multi-AZ deployments are designed for high availability and failover, not for scaling read performance. All reads and writes still occur on the primary instance, which explains why reporting queries negatively affect customer-facing performance.
Option C, adding an Amazon RDS read replica, is the most effective and AWS-recommended solution. Read replicas asynchronously replicate data from the primary instance and provide a separate endpoint for read- only workloads such as reporting, analytics, and dashboards. By redirecting the finance team's reporting queries to the replica endpoint, the primary database is freed to handle transactional workloads, significantly improving overall application performance.
Option A (RDS Proxy) helps manage database connections efficiently, especially for bursty workloads, but it does not offload query execution or isolate heavy read traffic. Option B is invalid because RDS Multi-AZ does not support spreading a single DB instance across three AZs, and even if it did, it would not reduce read contention. Option D increases instance resources but does not solve the root cause; reporting queries would still compete with production traffic and would also increase cost unnecessarily.
Therefore, C is the optimal solution because it isolates reporting workloads, scales read capacity, improves application responsiveness, and aligns with AWS best practices for high-performance database architectures.

NEW QUESTION # 567
A company is implementing a new policy to enhance the security of its AWS environment. The policy requires all administrative actions that users perform on the AWS Management Console to be secured by multi-factor authentication (MFA). Which solution will allow the company to enforce this policy in the MOST operationally efficient way?

A. Enable MFA on the root account. Ensure that all administrators use the root account to perform administrative actions.
B. Create an IAM policy that requires MFA to be enabled for the IAM roles that administrators assume to perform administrative actions.
C. Use AWS Config to periodically audit IAM users and to automatically attach an IAM policy that requires MFA when AWS Config detects administrative actions.
D. Configure an Amazon CloudWatch alarm that sends an email notification when an administrator performs an administrative action without MFA.

Answer: B

NEW QUESTION # 568
......

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