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Royalholidayclubbedは低い価格で高品質の迫真の問題を受験生に提供して差し上げます。Royalholidayclubbedの製品もコスト効率が良く、一年間の無料更新サービスを提供しています。当社の認定トレーニングの材料は、すぐに入手できます。きっと君に失望させないと信じています。最新AmazonのDVA-C01日本語版テキスト内容認定試験は真実の試験問題にもっとも近くて比較的に全面的でございます。実践の検査に何度も合格したこのサイトは試験問題と解答を提供しています。

Amazon AWS Certified Associate DVA-C01 あなた準備しましたか。

真剣にRoyalholidayclubbedのAmazon DVA-C01 - AWS Certified Developer Associate Exam日本語版テキスト内容問題集を勉強する限り、受験したい試験に楽に合格することができるということです。では、早くRoyalholidayclubbedのサイトをクリックして問題集を購入しましょう。それに、購入する前に、資料のサンプルを試すことができます。

がむしゃらに試験に関連する知識を勉強しているのですか。それとも、効率が良い試験DVA-C01日本語版テキスト内容参考書を使っているのですか。Amazonの認証資格は最近ますます人気になっていますね。

Amazon DVA-C01日本語版テキスト内容 - 一体どうしたらでしょうか。

RoyalholidayclubbedのAmazonのDVA-C01日本語版テキスト内容試験トレーニング資料を使ったら、君のAmazonのDVA-C01日本語版テキスト内容認定試験に合格するという夢が叶えます。なぜなら、それはAmazonのDVA-C01日本語版テキスト内容認定試験に関する必要なものを含まれるからです。Royalholidayclubbedを選んだら、あなたは簡単に認定試験に合格することができますし、あなたはITエリートたちの一人になることもできます。まだ何を待っていますか。早速買いに行きましょう。

しかし、難しいといっても、高い点数を取って楽に試験に合格できないというわけではないです。では、まだ試験に合格するショートカットがわからないあなたは、受験のテクニックを知りたいですか。

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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