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あなたはインターネットでAmazonのDVA-C01資格問題対応認証試験の練習問題と解答の試用版を無料でダウンロードしてください。そうしたらあなたはRoyalholidayclubbedが用意した問題集にもっと自信があります。早くRoyalholidayclubbedの問題集を君の手に入れましょう。 Royalholidayclubbedは客様の要求を満たせていい評判をうけいたします。たくさんのひとは弊社の商品を使って、試験に順調に合格しました。 RoyalholidayclubbedにIT業界のエリートのグループがあって、彼達は自分の経験と専門知識を使ってAmazon DVA-C01資格問題対応認証試験に参加する方に対して問題集を研究続けています。

Amazon AWS Certified Associate DVA-C01 あなたが決して後悔しないことを保証します。

Amazon AWS Certified Associate DVA-C01資格問題対応 - AWS Certified Developer Associate Exam 試験の目標が変わる限り、あるいは我々の勉強資料が変わる限り、すぐに更新して差し上げます。 RoyalholidayclubbedのAmazonのDVA-C01 試験準備問題集を買う前に、一部の問題と解答を無料にダウンロードすることができます。PDFのバージョンとソフトウェアのバージョンがありますから、ソフトウェアのバージョンを必要としたら、弊社のカスタマーサービススタッフから取得してください。

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DVA-C01 PDF DEMO:

QUESTION NO: 1
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: 2
A Developer needs to design an application running on AWS that will be used to consume
Amazon SQS messages that range from 1 KB up to 1GB in size.
How should the Amazon SQS messages be managed?
A. Use Amazon EFS and the Amazon SQS CLI.
B. Use Amazon S3 and the Amazon SQS Extended Client Library for Java.
C. Use Amazon S3 and the Amazon SQS CLI.
D. Use Amazon EBS and the Amazon SQS CLI.
Answer: B

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
Which features can be used to restrict access to data in S3? Choose 2 answers
A. Set an S3 Bucket policy.
B. Use S3 Virtual Hosting
C. Create a CloudFront distribution for the bucket
D. Set an S3 ACL on the bucket or the object.
E. Enable IAM Identity Federation.
Answer: A,D

QUESTION NO: 5
A company is building an application to track athlete performance using an Amazon
DynamoDB table. Each item in the table is identified by a partition key (user_id) and a sort key
(sport_name). The table design is shown below:
(Note: Not all table attributes are shown)
A Developer is asked to write a leaderboard application to display the top performers (user_id) based on the score for each sport_name.
What process will allow the Developer to extract results MOST efficiently from the DynamoDB table?
A. Create a local secondary index with a primary key of sport_name and a sort key of score and get the results based on the score attribute.
B. Use a DynamoDB query operation with the key attributes of user_id and sport_name and order the results based on the score attribute.
C. Use a DynamoDB scan operation to retrieve scores and user_id based on sport_name, and order the results based on the score attribute.
D. Create a global secondary index with a partition key of sport_name and a sort key of score, and get the results
Answer: D
Explanation
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/SecondaryIndexes.html
https://docs.aws.amazon.com/zh_cn/amazondynamodb/latest/developerguide/GSI.html

AmazonのCompTIA SK0-005J認定試験に合格することはきっと君の職業生涯の輝い将来に大変役に立ちます。この問題集はMicrosoft MB-820認定試験に関連する最も優秀な参考書ですから。 Amazon AWS-Certified-Machine-Learning-Specialty-KR - 常々、時間とお金ばかり効果がないです。 Databricks Databricks-Generative-AI-Engineer-Associate - それに、もし最初で試験を受ける場合、試験のソフトウェアのバージョンを使用することができます。 Microsoft AZ-400J - できるだけ100％の通過率を保証使用にしています。

Updated: May 28, 2022

by RHC.

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