DVA-C01コンポーネント - DVA-C01模擬試験サンプル、AWS Certified Developer Associate Exam - Royalholidayclubbed

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数年以来の整理と分析によって開発されたDVA-C01コンポーネント問題集は権威的で全面的です。DVA-C01コンポーネント問題集を利用して試験に合格できます。この問題集の合格率は高いので、多くのお客様からDVA-C01コンポーネント問題集への好評をもらいました。 Royalholidayclubbed はIT業界に認定試験大綱の主要なサプライヤーとして、専門家は一緻して品質の高い商品を開発し続けています。 RoyalholidayclubbedにたくさんのIT専門人士がいって、弊社の問題集に社会のITエリートが認定されて、弊社の問題集は試験の大幅カーバして、合格率が１００％にまで達します。

それはRoyalholidayclubbedのDVA-C01コンポーネント問題集です。

Amazon AWS Certified Associate DVA-C01コンポーネント - AWS Certified Developer Associate Exam それは正確的な試験の内容を保証しますし、良いサービスで、安い価格で営業します。ここには、私たちは君の需要に応じます。RoyalholidayclubbedのAmazonのDVA-C01 テスト参考書問題集を購入したら、私たちは君のために、一年間無料で更新サービスを提供することができます。

Royalholidayclubbedでは、私たちは君のすべての夢を叶えさせて、君の最も早い時間でAmazonのDVA-C01コンポーネント認定試験に合格するということを保証します。RoyalholidayclubbedのAmazonのDVA-C01コンポーネント試験トレーニング資料は豊富な経験を持っているIT専門家が研究したもので、問題と解答が緊密に結んでいるものです。Royalholidayclubbedを選ぶなら、絶対に後悔させません。

Amazon DVA-C01コンポーネント - 数年以来の試験問題集を研究しています。

現在IT技術会社に通勤しているあなたは、AmazonのDVA-C01コンポーネント試験認定を取得しましたか？DVA-C01コンポーネント試験認定は給料の増加とジョブのプロモーションに役立ちます。短時間でDVA-C01コンポーネント試験に一発合格したいなら、我々社のAmazonのDVA-C01コンポーネント資料を参考しましょう。また、DVA-C01コンポーネント問題集に疑問があると、メールで問い合わせてください。

今まで、弊社のRoyalholidayclubbedのDVA-C01コンポーネント問題集はそのスローガンに沿って協力します。弊社の信頼できるDVA-C01コンポーネント問題集を使用したお客様はほとんど試験に合格しました。

DVA-C01 PDF DEMO:

QUESTION NO: 1
A Developer created a dashboard for an application using Amazon API Gateway, Amazon S3,
AWS Lambda, and Amazon RDS. The Developer needs an authentication mechanism allowing a user to sign in and view the dashboard. It must be accessible from mobile applications, desktops, and tablets, and must remember user preferences across platforms.
Which AWS service should the Developer use to support this authentication scenario?
A. AWS Directory Service
B. AWS KMS
C. Amazon Cognito
D. Amazon IAM
Answer: C

QUESTION NO: 2
Which of the following services are included at no additional cost with the use of the AWS platform? Choose 2 answers
A. Auto Scaling
B. Elastic Compute Cloud
C. CloudFormation
D. Elastic Load Balancing
E. Simple Storage Service
F. Simple Workflow Service
Answer: A,C

QUESTION NO: 3
A Developer has implemented a Lambda function that needs to add new customers to an RDS database that is expected to run hundreds of times per hour. The Lambda function is configured to use 512MB of RAM and is based on the following pseudo code:
After testing the Lambda function, the Developer notices that the Lambda execution time is much longer than expected. What should the Developer do to improve performance?
A. Move the database connection and close statement out of the handler. Place the connection in the global space.
B. Replace RDS wit Amazon DynamoDB to implement control over the number of writes per second.
C. Increase the amount of RAM allocated to the Lambda function, which will increase the number of threads the Lambda can use.
D. Increase the size of the RDS database to allow for an increased number of database connections each hour.
Answer: A
Explanation
Refer AWS documentation - Lambda Best Practices
Take advantage of Execution Context reuse to improve the performance of your function. Make sure any externalized configuration or dependencies that your code retrieves are stored and referenced locally after initial execution. Limit the re-initialization of variables/objects on every invocation.
Instead use static initialization/constructor, global/static variables and singletons. Keep alive and reuse connections (HTTP, database, etc.) that were established during a previous invocation.

QUESTION NO: 4
A Developer is investigating an issue whereby certain requests are passing through an Amazon
API Gateway endpoint /MyAPI, but the requests do not reach the AWS Lambda function backing
/MyAPI. The Developer found that a second Lambda function sometimes runs at maximum concurrency allowed for the given AWS account.
How can the Developer address this issue?
A. Add another API Gateway stage for /MyAPI, and shard the requests
B. Reduce the throttling limits in the API Gateway /MyAPI endpoint
C. Configure the second Lambda function's concurrency execution limit
D. Manually reduce the concurrent execution limit at the account level
Answer: B

QUESTION NO: 5
Company D is running their corporate website on Amazon S3 accessed from
http//www.companyd.com.
Their marketing team has published new web fonts to a separate S3 bucket accessed by the S3 endpoint https://s3-us-west-1.amazonaws.com/cdfonts.
While testing the new web fonts, Company D recognized the web fonts are being blocked by the browser.
What should Company D do to prevent the web fonts from being blocked by the browser?
A. Enable versioning on the cdfonts bucket for each web font
B. Configure the cdfonts bucket to allow cross-origin requests by creating a CORS configuration
C. Create a policy on the cdfonts bucket to enable access to everyone
D. Add the Content-MD5 header to the request for webfonts in the cdfonts bucket from the website
Answer: B

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Updated: May 28, 2022

by RHC.

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