完璧AWS-Solutions-Architect-Professional｜効率的なAWS-Solutions-Architect-Professional学習教材試験｜試験の準備方法AWS Certified Solutions Architect - Professionalテストトレーニング

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AWS-Solutions-Architect-Professional資格を取得することは、AWS上で企業レベルのアプリケーションを設計および展開する能力を示す素晴らしい方法です。それはまた、競合から差別化し、収益性を高めるのに役立ちます。さらに、AWS認定保持者は、デジタルバッジ、認定ロゴ、およびAWS認定ディレクトリにリストされるなど、独占的なリソースにアクセスできます。これらのリソースは、あなたのスキルを潜在的な雇用主やクライアントに示すのに役立ちます。

AWS認定ソリューションアーキテクト - プロフェッショナル認定試験は、AWSサービスとツールを完全に理解する必要がある包括的な試験です。候補者は、AWSインフラストラクチャ、サービス、ツール、およびAWSに複雑なマルチ層アプリケーションを設計および展開する機能を深く理解することが期待されています。また、この試験では、候補者がセキュリティ、ネットワーキング、ストレージの概念、およびAWS CLI、SDK、およびAPIの経験を十分に理解する必要があります。

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Amazon AWS Certified Solutions Architect - Professional 認定 AWS-Solutions-Architect-Professional 試験問題 (Q297-Q302):

質問 # 297
A company is using AWS for production and development workloads. Each business unit has its own AWS account for production, and a separate AWS account to develop and deploy its applications. The Information Security department has introduced new security policies that limit access for terminating certain Amazon ECs instances in all accounts to a small group of individuals from the Security team.
How can the Solutions Architect meet these requirements?

A. Create an organizational unit under AWS Organizations. Move all the accounts into this organizational unit and use SCP to apply a whitelist policy to allow access to these EC2 instances for the Security team only.
B. Create a new tag-based IAM policy that allows access to these EC2 instances only for the Security team. Tag the instances appropriately, and apply this policy in each account.
C. Create a new IAM policy that allows access to those EC2 instances only for the Security team.
Apply this policy to the AWS Organizations master account.
D. Set up SAML federation for all accounts in AWS. Configure SAML so that it checks for the service API call before authenticating the user. Block SAML from authenticating API calls if anyone other than the Security team accesses these instances.

正解：B

解説：
A: applying policy to master account does not mean Security Team!
B: using tags on EC2s. Then use an IAM policy restrictions/rules on these taged instances.
C: Organizational unit is used to limit the access, but not to provide privileges.
D: SAML is used for federation with on premise, which is not the case here!

質問 # 298
A company runs a three-tier application in AWS. Users report that the application performance can vary greatly depending on the time of day and functionality being accessed.
The application includes the following components:
- Eight t2.large front-end web servers that serve static content and
proxy dynamic content from the application tier.
- Four t2.large application servers.
- One db.m4.large Amazon RDS MySQL Multi-AZ DB instance.
Operations has determined that the web and application tiers are network constrained.
Which of the following should cost effective improve application performance? (Choose two.)

A. Convert the MySQL RDS instance to a self-managed MySQL cluster on Amazon EC2
B. Replace web and app tiers with t2.xlarge instances
C. Create an Amazon CloudFront distribution to cache content
D. Use AWS Auto Scaling and m4.large instances for the web and application tiers
E. Increase the size of the Amazon RDS instance to db.m4.xlarge

正解：A、B

質問 # 299
A Solutions Architect is redesigning an image-viewing and messaging platform to be delivered as SaaS. Currently, there is a farm of virtual desktop infrastructure (VDI) that runs a desktop image-viewing application and a desktop messaging application. Both applications use a shared database to manage user accounts and sharing. Users log in from a web portal that launches the applications and streams the view of the application on the user's machine. The Development Operations team wants to move away from using VDI and wants to rewrite the application.
What is the MOST cost-effective architecture that offers both security and ease of management?

A. Run a website as an AWS Elastic Beanstalk application, storing the images in Amazon S3, and using an Amazon RDS database for user accounts and sharing. Create AWS CloudFormation templates to launch the application and perform blue/green deployments.
B. Run a website from Amazon EC2 Linux servers, storing the images in Amazon S3, and use Amazon Cognito for user accounts and sharing. Create AWS CloudFormation templates to launch the application by using EC2 user data to install and configure the application.
C. Run a website from an Amazon S3 bucket with a separate S3 bucket for images and messaging data. Call AWS Lambda functions from embedded JavaScript to manage the dynamic content, and use Amazon Cognito for user and sharing management.
D. Run a website from an Amazon S3 bucket that authorizes Amazon AppStream to stream applications for a combined image viewer and messenger that stores images in Amazon S3. Have the website use an Amazon RDS database for user accounts and sharing.

正解：D

解説：
https://docs.aws.amazon.com/appstream2/latest/developerguide/managing-images.html

質問 # 300
A company receives clickstream data files to Amazon S3 every five minutes. A Python script runs as a cron job once a day on an Amazon EC2 instance to process each file and load it into a database hosted on Amazon RDS. The cron job takes 15 to 30 minutes to process 24 hours of data. The data consumers ask for the data be available as soon as possible.
Which solution would accomplish the desired outcome?

A. Convert the cron job to an AWS Lambda function and trigger this new function using a cron job on an EC2 instance.
B. Convert the cron job to an AWS Lambda function and schedule it to run once an hour using Amazon CloudWatch events.
C. Create an AWS Lambda function that runs when a file is delivered to Amazon S3 using S3 event notifications.
D. Increase the size of the instance to speed up processing and update the schedule to run once an hour.

正解：B

質問 # 301
A company maintains a restaurant review website. The website is a single-page application where files are stored in Amazon S3 and delivered using Amazon CloudFront. The company receives several fake postings every day that are manually removed.
The security team has identified that most of the fake posts are from bots with IP addresses that have a bad reputation within the same global region. The team needs to create a solution to help restrict the bots from accessing the website.
Which strategy should a solutions architect use?

A. Use AWS Firewall Manager to control the CloudFront distribution security settings. Select the managed Amazon IP reputation rule group and associate it with Firewall Manager with a deny action.
B. Use AWS Firewall Manager to control the CloudFront distribution security settings. Create a geographical block rule and associate it with Firewall Manager.
C. Associate an AWS WAF web ACL with the CloudFront distribution. Create a rule group for the web ACL with a geographical match statement with a deny action.
D. Associate an AWS WAF web ACL with the CloudFront distribution. Select the managed Amazon IP reputation rule group for the web ACL with a deny action.

正解：D

解説：
Explanation
IP reputation rule groups allow you to block requests based on their source. Choose one or more of these rule groups if you want to reduce your exposure to BOTS!!!! traffic or exploitation attempts The Amazon IP reputation list rule group contains rules that are based on Amazon internal threat intelligence.
This is useful if you would like to block IP addresses typically associated with bots or other threats. Inspects for a list of IP addresses that have been identified as bots by Amazon threat intelligence.

質問 # 302
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