DVA-C01学習指導 - Amazon AWS Certified Developer Associate Exam日本語版復習資料 - Royalholidayclubbed

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あなたはRoyalholidayclubbedの学習教材を購入した後、私たちは一年間で無料更新サービスを提供することができます。AmazonのDVA-C01学習指導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。Royalholidayclubbedを選ぶなら、君がAmazonのDVA-C01学習指導認定試験に合格するということできっと喜んでいます。弊社のDVA-C01学習指導問題集はあなたにこのチャンスを全面的に与えられます。あなたは自分の望ましいAmazon DVA-C01学習指導問題集を選らんで、学びから更なる成長を求められます。我々のデモから感じられます。

全力を尽くせば、DVA-C01学習指導試験の合格も可能となります。

Amazon AWS Certified Associate DVA-C01学習指導 - AWS Certified Developer Associate Exam Royalholidayclubbedはきみの貴重な時間を節約するだけでなく、安心で順調に試験に合格するのを保証します。このほど、今のIT会社は多くのIT技術人材を急速に需要して、あなたはこのラッキーな人になりたいですか？AmazonのDVA-C01 資格認定試験に参加するのはあなたに自身のレベルを高めさせるだけでなく、あなたがより良く就職し輝かしい未来を持っています。弊社RoyalholidayclubbedはAmazonのDVA-C01 資格認定問題集を購入し勉強した後、あなたはDVA-C01 資格認定試験に合格することでできると信じています。

Royalholidayclubbed を選択して１００％の合格率を確保することができて、もし試験に失敗したら、Royalholidayclubbedが全額で返金いたします。

Amazon DVA-C01学習指導 - それをもって、試験は問題になりませんよ。

RoyalholidayclubbedのDVA-C01学習指導問題集は多くの受験生に検証されたものですから、高い成功率を保証できます。もしこの問題集を利用してからやはり試験に不合格になってしまえば、Royalholidayclubbedは全額で返金することができます。あるいは、無料で試験DVA-C01学習指導問題集を更新してあげるのを選択することもできます。こんな保障がありますから、心配する必要は全然ないですよ。

Royalholidayclubbedはとても人気がありますから、それを選ばない理由はないです。もちろん、完璧なトレーニング資料を差し上げましたが、もしあなたに向いていないのなら無用になりますから、Royalholidayclubbedを利用する前に、一部の問題と解答を無料にダウンロードしてみることができます。

DVA-C01 PDF DEMO:

QUESTION NO: 1
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: 2
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: 3
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: 4
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

QUESTION NO: 5
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.

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Updated: May 28, 2022

by RHC.

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