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Amazon SAA-C03 Exam Overview:

Certification Vendor:	Amazon Web Services (AWS)
Exam Name:	AWS Certified Solutions Architect – Associate (SAA-C03)
Exam Number:	SAA-C03
Real Exam Qty:	65 (approximate; multiple choice and multiple response)
Exam Format:	Multiple choice, Multiple response
Certificate Validity Period:	3 years
Exam Price:	150 USD
Related Certifications:	AWS Certified Solutions Architect – Professional AWS Certified Developer – Associate AWS Certified SysOps Administrator – Associate
Exam Duration:	130 minutes
Passing Score:	720 (scaled score out of 1000)
Available Languages:	Korean, Japanese, Simplified Chinese, English
Recommended Training:	AWS Skill Builder AWS Solutions Architect Learning Path
Exam Registration:	Pearson VUE Registration AWS Certification Portal
Sample Questions:	Amazon SAA-C03 Sample Questions
Exam Way:	Online proctored or test center exam via Pearson VUE
Pre Condition:	No formal prerequisites. AWS recommends at least 1 year of hands-on experience designing distributed systems on AWS.
Official Syllabus URL:	https://aws.amazon.com/certification/certified-solutions-architect-associate/

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Amazon SAA-C03 시험을 보기 위해서는, 후보자들은 EC2, S3, RDS 및 VPC와 같은 AWS 서비스에 대한 기본적인 이해가 필요합니다. 또한 이러한 서비스를 비용 효율적이고 효율적인 방식으로 사용하는 솔루션을 설계 및 배포하는 데 경험이 있어야 합니다. 시험은 객관식 및 객관식 응답형 질문으로 구성되며, 130분 동안 시간이 제한됩니다.

Amazon SAA-C03 시험을 통과하기 위해서는, 후보자들은 고객 요구 사항에 기반한 안전하고 효율적이며 비용 효율적인 AWS 솔루션을 설계하고 배포할 수 있는 능력을 증명해야 합니다. 이 시험은 65개의 객관식 및 객관식 다중응답 문제들로 이루어져 있으며 130분 내에 완료해야 합니다. SAA-C03 시험의 합격 점수는 1000점 중 720점입니다. 시험을 통과한 후보자들은 전 세계적으로 인정받는 Amazon AWS Certified Solutions Architect - Associate 자격증을 획득하게 되며, AWS 솔루션을 설계하고 배포하는 능력을 증명할 수 있습니다. 이 자격증은 클라우드 컴퓨팅 분야에서 경력을 쌓고 조직에서 AWS 기반 솔루션을 다루는 전문가들에게 필수적입니다.

최신 AWS Certified Solutions Architect SAA-C03 무료샘플문제 (Q905-Q910):

질문 # 905
A solutions architect is developing a multiple-subnet VPC architecture. The solution will consist of six subnets in two Availability Zones. The subnets are defined as public, private and dedicated for databases. Only the Amazon EC2 instances running in the private subnets should be able to access a database.
Which solution meets these requirements?

A. Create a security group that denies ingress from the security group used by instances in the public subnets. Attach the security group to an Amazon RDS DB instance.
B. Create a new peering connection between the public subnets and the private subnets. Create a different peering connection between the private subnets and the database subnets.
C. Create a security group that allows ingress from the security group used by instances in the private subnets. Attach the security group to an Amazon RDS DB instance.
D. Create a now route table that excludes the route to the public subnets' CIDR blocks. Associate the route table to the database subnets.

정답：C

설명：
Explanation
Security groups are stateful. All inbound traffic is blocked by default. If you create an inbound rule allowing traffic in, that traffic is automatically allowed back out again. You cannot block specific IP address using Security groups (instead use Network Access Control Lists).
"You can specify allow rules, but not deny rules." "When you first create a security group, it has no inbound rules. Therefore, no inbound traffic originating from another host to your instance is allowed until you add inbound rules to the security group." Source:
https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html#VPCSecurityGroups

질문 # 906
A company is building an application on AWS that connects to an Amazon RDS database. The company wants to manage the application configuration and to securely store and retrieve credentials for the database and other services. Which solution will meet these requirements with the LEAST administrative overhead?

A. Use AWS AppConfig to store and manage the application configuration. Use AWS Secrets Manager to store and retrieve the credentials.
B. Use AWS Lambda to store and manage the application configuration. Use AWS Systems Manager Parameter Store to store and retrieve the credentials.
C. Use an encrypted application configuration file Store the file in Amazon S3 for the application configuration. Create another S3 file to store and retrieve the credentials.
D. Use AWS AppConfig to store and manage the application configuration. Use Amazon RDS to store and retrieve the credentials.

정답：A

설명：
This solution meets the company's requirements with minimal administrative overhead and ensures security and ease of management.
AWS AppConfig: AWS AppConfig is a service designed to manage application configuration in a secure and validated way. It allows you to deploy configurations safely and quickly without affecting the application's performance or availability.
AWS Secrets Manager: AWS Secrets Manager is specifically designed to manage, retrieve, and rotate credentials for databases and other services. It integrates seamlessly with AWS services like Amazon RDS, making it an ideal solution for securely storing and retrieving database credentials. Secrets Manager also provides automatic rotation of credentials, reducing the operational burden.
Why Not Other Options?:
Option B (AWS Lambda + Parameter Store): While AWS Lambda can be used for managing configurations and AWS Systems Manager Parameter Store can store credentials, this approach involves more manual setup and does not offer the same level of integrated management and security as AppConfig and Secrets Manager.
Option C (Encrypted S3 Configuration File): Storing configuration and credentials in S3 files involves more manual management and security considerations, increasing the administrative overhead.
Option D (AppConfig + RDS for credentials): RDS is not designed for storing application credentials; it's better suited for managing database instances and their configurations.

질문 # 907
A company has an ecommerce application that users access through multiple mobile apps and web applications. The company needs a solution that will receive requests from the mobile apps and web applications through an API.
Request traffic volume varies significantly throughout each day. Traffic spikes during sales events. The solution must be loosely coupled and ensure that no requests are lost.
Which solution will meet these requirements?

A. Create an Application Load Balancer ALB. Create an AWS Elastic Beanstalk endpoint to process the requests. Add the Elastic Beanstalk endpoint to the target group of the ALB.
B. Set up an Amazon API Gateway HTTP API with an integration to an Amazon SNS topic. Create an AWS Lambda function to process the requests. Subscribe the function to the SNS topic to process the requests.
C. Set up an Amazon API Gateway REST API with an integration to an Amazon SQS queue. Configure a dead-letter queue. Create an AWS Lambda function to poll the queue to process the requests.
D. Create an Application Load Balancer ALB. Create an AWS Lambda function to process the requests.
Add the Lambda function as a target of the ALB.

정답：C

설명：
The best answer isAPI Gateway + SQS + DLQ + Lambdabecause it combines API ingestion with durable queuing and asynchronous processing. AWS guidance for event-driven serverless architectures specifically recommends usingAmazon SQSto decouple components and durably persist messages when downstream processing is slower or bursty. AWS also documents thatdead-letter queueshelp isolate messages that fail processing, which supports the requirement to avoid losing requests. API Gateway can integrate with AWS services, including SQS, to accept requests from mobile and web clients. The ALB options do not provide the same durable buffering, and the SNS option is less appropriate because the key requirement is loose coupling with durable request preservation. Therefore,Bis the strongest design. (AWS Documentation)

질문 # 908
[Design Secure Architectures]
A media company has an ecommerce website to sell music. Each music file is stored as an MP3 file. Premium users of the website purchase music files and download the files. The company wants to store music files on AWS. The company wants to provide access only to the premium users. The company wants to use the same URL for all premium users.
Which solution will meet these requirements?

A. Store all the MP3 files in an Amazon S3 bucket. Create a presigned URL for each MP3 file. Share the presigned URLs with the premium users.
B. Store all the MP3 files in an Amazon S3 bucket. Create an Amazon CloudFront distribution that uses the S3 bucket as the origin. Use a CloudFront signed URL for each music file. Share the signed URLs with the premium users.
C. Store the MP3 files on a set of Amazon EC2 instances that have Amazon Elastic Block Store (Amazon EBS) volumes attached. Manage access to the files by creating an IAM user and an IAM policy for each premium user.
D. Store all the MP3 files in an Amazon S3 bucket. Create an Amazon CloudFront distribution that uses the S3 bucket as the origin. Generate CloudFront signed cookies for the music files. Share the signed cookies with the premium users.

정답：D

설명：
CloudFront Signed Cookies:
CloudFront signed cookies allow the company to provide access to premium users while maintaining a single, consistent URL.
This approach is simpler and more scalable than managing presigned URLs for each file.
Incorrect Options Analysis:
Option A: Using EC2 and EBS increases complexity and cost.
Option B: Managing presigned URLs for each file is not scalable.
Option D: CloudFront signed URLs require unique URLs for each file, which does not meet the requirement for a single URL.
Reference:
Serving Private Content with CloudFront

질문 # 909
[Design High-Performing Architectures]
A company runs an online marketplace web application on AWS. The application serves hundreds of thousands of users during peak hours. The company needs a scalable, near-real-time solution to share the details of millions of financial transactions with several other internal applications Transactions also need to be processed to remove sensitive data before being stored in a document database for low-latency retrieval.
What should a solutions architect recommend to meet these requirements?

A. Store the transactions data into Amazon DynamoDB Set up a rule in DynamoDB to remove sensitive data from every transaction upon write Use DynamoDB Streams to share the transactions data with other applications
B. Store the batched transactions data in Amazon S3 as files. Use AWS Lambda to process every file and remove sensitive data before updating the files in Amazon S3 The Lambda function then stores the data in Amazon DynamoDB Other applications can consume transaction files stored in Amazon S3.
C. Stream the transactions data into Amazon Kinesis Data Streams Use AWS Lambda integration to remove sensitive data from every transaction and then store the transactions data in Amazon DynamoDB Other applications can consume the transactions data off the Kinesis data stream.
D. Stream the transactions data into Amazon Kinesis Data Firehose to store data in Amazon DynamoDB and Amazon S3 Use AWS Lambda integration with Kinesis Data Firehose to remove sensitive data. Other applications can consume the data stored in Amazon S3

정답：C

설명：
The destination of your Kinesis Data Firehose delivery stream. Kinesis Data Firehose can send data records to various destinations, including Amazon Simple Storage Service (Amazon S3), Amazon Redshift, Amazon OpenSearch Service, and any HTTP endpoint that is owned by you or any of your third-party service providers. The following are the supported destinations:
* Amazon OpenSearch Service
* Amazon S3
* Datadog
* Dynatrace
* Honeycomb
* HTTP Endpoint
* Logic Monitor
* MongoDB Cloud
* New Relic
* Splunk
* Sumo Logic
https://docs.aws.amazon.com/firehose/latest/dev/create-name.html
https://aws.amazon.com/kinesis/data-streams/
Amazon Kinesis Data Streams (KDS) is a massively scalable and durable real-time data streaming service. KDS can continuously capture gigabytes of data per second fromhundreds of thousands of sources such as website clickstreams, database event streams, financial transactions, social media feeds, IT logs, and location-tracking events.

질문 # 910
......

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