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Amazon AWS-Solutions-Associate Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Design Secure Architectures30%- Design secure access to AWS resources
  • 1. IAM users, groups, roles, and policies
  • 2. Least privilege principles
  • 3. AWS STS and temporary credentials
  • 4. IAM permissions boundaries
- Design secure application tiers
  • 1. Application security patterns
  • 2. Public vs private subnets
  • 3. AWS PrivateLink, VPC endpoints
  • 4. VPC architecture (subnets, ACLs, security groups)
- Appropriate data security controls
  • 1. Security posture management
  • 2. Encryption at rest and in transit
  • 3. S3 bucket policies and access controls
  • 4. AWS KMS, AWS CloudHSM
Topic 2: Design Cost-Optimized Architectures20%- Design cost-optimized storage solutions
  • 1. Intelligent Tiering
  • 2. S3 lifecycle policies
  • 3. Cost-effective data storage patterns
  • 4. Storage Gateway
- Design cost-optimized compute solutions
  • 1. Savings Plans
  • 2. Auto Scaling cost optimization
  • 3. Right-sizing resources
  • 4. Reserved Instances vs On-Demand vs Spot
- Design cost-optimized database solutions
  • 1. Amazon RDS, Aurora pricing
  • 2. DynamoDB on-demand vs provisioned
  • 3. Cost-effective query patterns
  • 4. Database caching strategies
Topic 3: Design Resilient Architectures26%- Design highly available architectures
  • 1. Amazon Route 53 routing policies
  • 2. RTO and RPO considerations
  • 3. Disaster recovery strategies
  • 4. Fault-tolerant design patterns
- Implement appropriate caching strategies
  • 1. Cache invalidation strategies
  • 2. Amazon CloudFront
  • 3. Amazon ElastiCache
  • 4. AWS Global Accelerator
- Design multi-tier architectures
  • 1. Multi-AZ deployments
  • 2. Auto Scaling groups
  • 3. Load balancing strategies
  • 4. Highly available architecture patterns
Topic 4: Design High-Performing Architectures24%- Design highly available and scalable storage solutions
  • 1. Storage cost optimization
  • 2. Data lifecycle management
  • 3. Amazon EFS, EBS, FSx
  • 4. Amazon S3 storage classes
- Design data transfer solutions
  • 1. Network optimization
  • 2. S3 Transfer Acceleration
  • 3. AWS DataSync, Snow Family
- Identify elastic and scalable compute solutions
  • 1. Container-based solutions
  • 2. Amazon ECS, EKS, Lambda
  • 3. EC2 Auto Scaling
  • 4. Serverless architectures

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Amazon AWS Certified Solutions Architect - Associate (SAA-C03) Sample Questions (Q293-Q298):

NEW QUESTION # 293
An AWS customer runs a public blogging website. The site users upload two million blog entries a month.
The average blog entry size is 200 KB. The access rate to blog entries drops to negligible 6 months after publication and users rarely access a blog entry 1 year after publication. Additionally, blog entries have a high update rate during the first 3 months following publication, this drops to no updates after 6 months.
The customer wants to use CloudFront to improve his user's load times.
Which of the following recommendations would you make to the customer?

Answer: B


NEW QUESTION # 294
A manufacturing company develops an application to give a small team of executives the ability to track sales performance globally. The application provides a real-time simulator in a popular programming language.
The company uses AWS Lambda functions to support the simulator. The simulator is an algorithm that predicts sales performance based on specific variables.
Although the solution works well initially, the company notices that the time required to complete simulations is increasing exponentially. A solutions architect needs to improve the response time of the simulator.
Which solution will meet this requirement in the MOST cost-effective way?

Answer: D

Explanation:
When an AWS Lambda function is invoked, especially after periods of inactivity, it may experience cold starts that delay execution. As demand increases, the scaling behavior and latency of Lambda can affect performance. Provisioned Concurrency is an AWS feature designed specifically to solve this issue.
From AWS Documentation:
"Provisioned Concurrency keeps functions initialized and hyper-ready to respond in double-digit milliseconds." (Source: AWS Lambda Developer Guide - Managing Concurrency) Why Option D is correct:
Provisioned Concurrency ensures that a specified number of Lambda function instances are always warm and ready to serve requests, eliminating cold start latency.
It's cost-effective for workloads with consistent usage patterns, like real-time simulations for a small user group.
Maintains scalability and low overhead of Lambda without moving to managed container or EC2 platforms.
Why the other options are less optimal:
Option A (Fargate) and Option B (EC2): Introduce more infrastructure and higher ongoing costs for a small team with likely intermittent usage.
Option C (AWS Batch): Ideal for batch jobs, not real-time simulations; also incurs higher latency due to job queuing.
References:
AWS Lambda Developer Guide - "Concurrency and Scaling"
AWS Well-Architected Framework - Performance Efficiency Pillar
AWS Compute Services Comparison - Lambda vs EC2 vs Fargate


NEW QUESTION # 295
You have set up an S3 bucket with a number of images in it and you have decided that you want anybody to be able to access these images, even anonymous users. To accomplish this you create a bucket policy.
You will need to use an Amazon S3 bucket policy that specifies a __________ in the principal element, which means anyone can access the bucket.

Answer: D

Explanation:
You can use the AWS Policy Generator to create a bucket policy for your Amazon S3 bucket. You can then use the generated document to set your bucket policy by using the Amazon S3 console, by a number of third-party tools, or via your application.
You use an Amazon S3 bucket policy that specifies a wildcard (*) in the principal element, which means anyone can access the bucket. With anonymous access, anyone (including users without an AWS account) will be able to access the bucket.
Reference: http://docs.aws.amazon.com/IAM/latest/UserGuide/iam-troubleshooting.html#d0e20565


NEW QUESTION # 296
A solutions architect must migrate a Windows Internet Information Services (IIS) web application to AWS The application currently relies on a file share hosted in the user's on-premises network-attached storage (NAS) The solutions architect has proposed migrating the MS web servers to Amazon EC2 instances in multiple Availability Zones that are connected to the storage solution, and configuring an Elastic Load Balancer attached to the instances Which replacement to the on-premises file share is MOST resilient and durable?

Answer: C

Explanation:
This answer is correct because it provides a resilient and durable replacement for the on-premises file share that is compatible with Windows IIS web servers. Amazon FSx for Windows File Server is a fully managed service that provides shared file storage built on Windows Server. It supports the SMB protocol and integrates with Microsoft Active Directory, which enables seamless access and authentication for Windows-based applications. Amazon FSx for Windows File Server also offers the following benefits:
Resilience: Amazon FSx for Windows File Server can be deployed in multiple Availability Zones, which provides high availability and failover protection. It also supports automatic backups and restores, as well as self-healing features that detect and correct issues.
Durability: Amazon FSx for Windows File Server replicates data within and across Availability Zones, and stores data on highly durable storage devices. It also supports encryption at rest and in transit, as well as file access auditing and data deduplication.
Performance: Amazon FSx for Windows File Server delivers consistent sub-millisecond latencies and high throughput for file operations. It also supports SSD storage, native Windows features such as Distributed File System (DFS) Namespaces and Replication, and user-driven performance scaling.
References:
Amazon FSx for Windows File Server
Using Microsoft Windows file shares


NEW QUESTION # 297
A solutions architect is implementing a document review application using an Amazon S3 bucket for storage.
The solution must prevent accidental deletion of the documents and ensure that all versions of the documents are available. Users must be able to download, modify, and upload documents.
Which combination of actions should be taken to meet these requirements? (Choose two.)

Answer: A,D

Explanation:
Versioning is a feature of Amazon S3 that allows users to keep multiple versions of the same object in a bucket. It can help prevent accidental deletion of the documents and ensure that all versions of the documents areavailable1. MFA Delete is a feature of Amazon S3 that adds an extra layer of security by requiring two forms of authentication to delete a version or change the versioning state of a bucket. It can help preventunauthorized or accidental deletion of the documents2. By enabling both versioning and MFA Delete on the bucket, the solution can meet the requirements.
A). Enable a read-only bucket ACL. This solution will not meet the requirement of allowing users to download, modify, and upload documents, as a read-only bucket ACL will prevent write access to the bucket3.
C). Attach an IAM policy to the bucket. This solution will not meet the requirement of preventing accidental deletion of the documents and ensuring that all versions of the documents are available, as an IAM policy is used to grant or deny permissions to users or roles, not to enable versioning or MFA Delete4.
E). Encrypt the bucket using AWS KMS. This solution will not meet the requirement of preventing accidental deletion of the documents and ensuring that all versions of the documents are available, as encrypting the bucket using AWS KMS is a method of protecting data at rest, not enabling versioning or MFA Delete.
Reference URL: https://docs.aws.amazon.com/AmazonS3/latest/userguide/Versioning.html


NEW QUESTION # 298
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