AWS Solutions Architect · Cloud Practitioner

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SAA-C03

1.1Design secure access to AWS resources1.2Design secure workloads and applications1.3Determine appropriate data security controls2.1Design scalable and loosely coupled architectures2.2Design highly available and/or fault-tolerant architectures3.1Determine high-performing and/or scalable storage solutions3.2Design high-performing and elastic compute solutions3.3Determine high-performing database solutions3.4Determine high-performing and/or scalable network architectures3.5Determine high-performing data ingestion and transformation solutions4.1Design cost-optimized storage solutions4.2Design cost-optimized compute solutions4.3Design cost-optimized database solutions4.4Design cost-optimized network architectures

CLF-C02

1.1Define the benefits of the AWS Cloud1.2Identify design principles of the AWS Cloud1.3Understand the benefits of and strategies for migration to the AWS Cloud1.4Understand concepts of cloud economics2.1Understand the AWS shared responsibility model2.2Understand AWS Cloud security, governance, and compliance concepts2.3Identify AWS access management capabilities2.4Identify components and resources for security3.1Define methods of deploying and operating in the AWS Cloud3.2Define the AWS global infrastructure3.3Identify AWS compute services3.4Identify AWS database services3.5Identify AWS network services3.6Identify AWS storage services3.7Identify AWS artificial intelligence and machine learning (AI/ML) services and analytics services3.8Identify services from other in-scope AWS service categories4.1Compare AWS pricing models4.2Understand resources for billing, budget, and cost management4.3Identify AWS technical resources and AWS Support options

Same question, two explanations.

A typical question bank

Amazon Simple Queue Service (Amazon SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications. SQS eliminates the complexity and overhead associated with managing and operating message-oriented middleware, and empowers developers to focus on differentiating work. Using SQS, you can send, store, and receive messages between software components at any volume, without losing messages or requiring other services to be available. Amazon Kinesis Data Streams is a serverless streaming data service that makes it easy to capture, process, and store data streams at any scale. Amazon SNS is a fully managed Pub/Sub service for A2A and A2P messaging. AWS Step Functions is a visual workflow service. Hence, the correct answer is Amazon SQS. Option A is incorrect because...

CertifAI

AYou pickedBAnswer

Amazon SQS

Clues in the question

“decouples the web tier from the workers” points to a queue
“keeps messages if a worker fails” points to SQS

Why not the others

Astream: Kinesis is for real-time analytics, not work queues.
Cpush: SNS pushes to subscribers and doesn't hold work for a retry.
Dworkflow: Step Functions runs steps in order; it isn't a buffer.

Remember

Decouple + retry the work = SQS. Stream + analyze = Kinesis.

CertifAI

AYou pickedBAnswer

Amazon SQS

Clues in the question

“decouples the web tier from the workers” points to a queue
“keeps messages if a worker fails” points to SQS

Why not the others

Astream: Kinesis is for real-time analytics, not work queues.
Cpush: SNS pushes to subscribers and doesn't hold work for a retry.
Dworkflow: Step Functions runs steps in order; it isn't a buffer.

Remember

Decouple + retry the work = SQS. Stream + analyze = Kinesis.

A typical question bank

Your next test is drawn for you.

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SAA-C03Question 52 of 6552 / 65

14:59

A company wants to run a stateless web tier that scales with demand and keeps running if an Availability Zone fails. What should a solutions architect recommend?

AOne large EC2 instance with an Elastic IP address

BAn Auto Scaling group across two Availability Zones behind an Application Load Balancer

CTwo EC2 instances in one Availability Zone behind a Network Load Balancer

DAn EC2 instance with a standby copy launched from an AMI when it fails

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Readiness

3 points to the pass mark

Domain 1 · 30% of exam

Design Secure Architectures

78%

Domain 2 · 26% of exam

Design Resilient Architectures

58%

Domain 3 · 24% of exam

Design High-Performing Architectures

71%

Domain 4 · 20% of exam

Design Cost-Optimized Architectures

66%

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Solutions Architect Associate · SAA-C03 Cloud Practitioner · CLF-C02