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DVA-C01最新題庫資源，DVA-C01最新題庫 - Amazon DVA-C01熱門題庫 - Royalholidayclubbed
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所以，Royalholidayclubbed的DVA-C01最新題庫資源考古題吧。
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這個考試的認證資格可以給你的工作帶來很多有益的幫助，也可以幫助你晉升。總之這是一個可以給你的職業生涯帶來重大影響的考試。这么重要的考试，你也想参加吧。
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要想一次性通過Amazon DVA-C01最新題庫資源 認證考試您必須得有一個好的準備和一個完整的知識結構。Royalholidayclubbed為你提供的資源正好可以完全滿足你的需求。
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
如果你有了Amazon CompTIA 220-1201 認證證書，你的職業水準就超出很大部分人，你就可以獲得很大職位晉升機會。 我們的Amazon ICF ICF-ACC 認證考試的最新培訓資料是Royalholidayclubbed的專業團隊不斷地研究出來的，可以幫很多人成就夢想。 在互聯網上你也可以看到幾個也提供相關的培訓的網站，但是你比較之後，你就會發現Royalholidayclubbed的關於Amazon SAP C-BCBAI-2502 認證考試的培訓比較有針對性，不僅品質是最高的，而且內容是最全面的。 Royalholidayclubbed的產品不僅幫助客戶100%通過第一次參加的Amazon ISACA CCOA 認證考試，而且還可以為客戶提供一年的免費線上更新服務，第一時間將最新的資料推送給客戶，讓客戶瞭解到最新的考試資訊。 如果你選擇了Royalholidayclubbed的產品，你就為Amazon ITIL ITIL-4-Specialist-Create-Deliver-and-Support 認證考試做好了充分準備，成功通過考試就是很輕鬆的。
Updated: May 28, 2022
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