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SAA-C03認證資料 & SAA-C03考試重點
KaoGuTi是個為Amazon SAA-C03認證考試提供短期有效培訓的網站。Amazon SAA-C03 是個能對生活有改變的認證考試。拿到Amazon SAA-C03 認證證書的IT人士肯定比沒有拿人員工資高，職位上升空間也很大，在IT行業中職業發展前景也更廣。
Amazon SAA-C03 認證考試是一個綜合性考試，涵蓋與 AWS 相關的許多主題，包括 EC2、S3、RDS、VPC、IAM 等眾多服務。該考試由 65 個選擇和多選題組成，考試時間為 130 分鐘。考試提供英語、日語、韓語和簡體中文四種語言版本。
>> SAA-C03認證資料 <<
SAA-C03考試重點，SAA-C03更新
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最新的 AWS Certified Solutions Architect SAA-C03 免費考試真題 (Q469-Q474):
問題 #469
A company has an application that runs on Amazon EC2 instances and uses an Amazon Aurora database. The EC2 instances connect to the database by using user names and passwords that are stored locally in a file. The company wants to minimize the operational overhead of credential management.
What should a solutions architect do to accomplish this goal?
- A. Create an Amazon S3 bucket lo store objects that are encrypted with an AWS Key Management Service (AWS KMS) encryption key. Migrate the credential file to the S3 bucket. Point the application to the S3 bucket.
- B. Use AWS Systems Manager Parameter Store. Turn on automatic rotation.
- C. Use AWS Secrets Manager. Turn on automatic rotation.
- D. Create an encrypted Amazon Elastic Block Store (Amazon EBS) volume (or each EC2 instance. Attach the new EBS volume to each EC2 instance. Migrate the credential file to the new EBS volume. Point the application to the new EBS volume.
答案：C
解題說明：
Explanation
https://aws.amazon.com/cn/blogs/security/how-to-connect-to-aws-secrets-manager-service-within-a-virtual-priva
https://aws.amazon.com/blogs/security/rotate-amazon-rds-database-credentials-automatically-with-aws-secrets-m
問題 #470
A company is using AWS to design a web application that will process insurance quotes Users will request quotes from the application Quotes must be separated by quote type, must be responded to within 24 hours, and must not get lost The solution must maximize operational efficiency and must minimize maintenance.
Which solution meets these requirements?
- A. Create multiple Amazon Kinesis data streams based on the quote type Configure the web application to send messages to the proper data stream Configure each backend group of application servers to use the Kinesis Client Library (KCL) to pool messages from its own data stream
- B. Create multiple Amazon Kinesis Data Firehose delivery streams based on the quote type to deliver data streams to an Amazon Elasucsearch Service (Amazon ES) cluster Configure the application to send messages to the proper delivery stream Configure each backend group of application servers to search for the messages from Amazon ES and process them accordingly
- C. Create a single Amazon Simple Notification Service (Amazon SNS) topic Subscribe Amazon Simple Queue Service (Amazon SQS) queues to the SNS topic Configure SNS message filtering to publish messages to the proper SQS queue based on the quote type Configure each backend application server to use its own SQS queue
- D. Create an AWS Lambda function and an Amazon Simple Notification Service (Amazon SNS) topic for each quote type Subscribe the Lambda function to its associated SNS topic Configure the application to publish requests tot quotes to the appropriate SNS topic
答案：C
解題說明：
Explanation
https://aws.amazon.com/getting-started/hands-on/filter-messages-published-to-topics/
問題 #471
A company runs a self-managed Microsoft SOL Server on Amazon EC2 instances and Amazon Elastic Block Store (Amazon EBS). Daily snapshots are taken of the EBS volumes.
Recently, all the company's EBS snapshots were accidentally deleted while running a snapshot cleaning script that deletes all expired EBS snapshots. A solutions architect needs to update the architecture to prevent data loss without retaining EBS snapshots indefinitely.
Which solution will meet these requirements with the LEAST development effort?
- A. Copy EBS snapshots to Amazon S3 Standard-Infrequent Access (S3 Standard-IA).
- B. Copy the EBS snapshots to another AWS Region after completing the snapshots daily.
- C. Change the 1AM policy of the user to deny EBS snapshot deletion.
- D. Create a 7-day EBS snapshot retention rule in Recycle Bin and apply the rule for all snapshots.
答案：D
解題說明：
Requirement Analysis: The goal is to prevent accidental deletion of EBS snapshots while avoiding indefinite retention.
Recycle Bin for EBS Snapshots: AWS Recycle Bin allows for retention rules that prevent immediate deletion of snapshots, providing a safety net against accidental deletions.
Retention Rule: A 7-day retention rule ensures snapshots are not permanently deleted immediately, giving time to recover from accidental deletions.
Implementation:
Enable Recycle Bin in your AWS account.
Create a retention rule that specifies a 7-day period for EBS snapshots.
Apply this rule to all EBS snapshots.
Conclusion: This solution provides an automated way to prevent data loss from accidental deletions with minimal development effort.
Reference
AWS Recycle Bin: AWS Recycle Bin Documentation
問題 #472
A company has a mulli-tier application that runs six front-end web servers in an Amazon EC2 Auto Scaling group in a single Availability Zone behind an Application Load Balancer (ALB). A solutions architect needs lo modify the infrastructure to be highly available without modifying the application.
Which architecture should the solutions architect choose that provides high availability?
- A. Change the ALB in front of the Amazon EC2 instances in a round-robin configuration to balance traffic to the web tier.
- B. Modify the Auto Scaling group to use three instances across each of two Availability Zones.
- C. Create an Auto Scaling group that uses three Instances across each of tv/o Regions.
- D. Create an Auto Scaling template that can be used to quickly create more instances in another Region.
答案：B
解題說明：
High availability can be enabled for this architecture quite simply by modifying the existing Auto Scaling group to use multiple availability zones. The ASG will automatically balance the load so you don't actually need to specify the instances per AZ.
問題 #473
[Design Secure Architectures]
A company has developed a non-production application that is composed of multiple microservices for each of the company's business units. A single development team maintains all the microservices.
The current architecture uses a static web frontend and a Java-based backend that contains the application logic. The architecture also uses a MySQL database that the company hosts on an Amazon EC2 instance.
The company needs to ensure that the application is secure and available globally.
Which solution will meet these requirements with the LEAST operational overhead?
- A. Use Amazon CloudFront and AWS Amplify to host the static web frontend. Refactor the microservices to use AWS Lambda functions that the microservices access by using Amazon API Gateway. Migrate the MySQL database to an Amazon EC2 Reserved Instance.
- B. Use Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that are in a target group behind an Application Load Balancer. Migrate the MySQL database to an Amazon EC2 Reserved Instance.
- C. Use Amazon CloudFront and Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that are in a target group behind a Network Load Balancer. Migrate the MySQL database to Amazon RDS for MySQL.
- D. Use Amazon CloudFront and Amazon S3 to host the static web frontend. Refactor the microservices to use AWS Lambda functions that the microservices access by using Amazon API Gateway. Migrate the MySQL database to Amazon RDS for MySQL.
答案：D
解題說明：
This solution offers the least operational overhead while meeting the security and global availability requirements:
Amazon CloudFront and S3: Hosting the static frontend on S3 and serving it via CloudFront provides low-latency global distribution, high availability, and security. S3 is a cost-effective and serverless option for hosting static assets, and CloudFront ensures that the application is cached closer to the users, reducing latency globally.
AWS Lambda and API Gateway: Refactoring the microservices to use Lambda functions with API Gateway allows for a fully serverless, scalable, and highly available backend. This reduces the need for managing EC2 instances, as Lambda automatically scales to meet demand and only charges for the actual usage.
RDS for MySQL: Migrating the MySQL database from an EC2 instance to Amazon RDS significantly reduces operational overhead. RDS manages backups, patching, and scaling, and it offers high availability options (e.g., Multi-AZ).
Option AandDinvolve using EC2 Reserved Instances for the database, which requires more operational maintenance than using RDS.
Option Csuggests using a Network Load Balancer with Lambda, which adds unnecessary complexity for this use case.
AWS Reference:
Amazon S3 and CloudFront Integration
AWS Lambda with API Gateway
Amazon RDS for MySQL
問題 #474
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