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DVA-C01認證考試 & Amazon AWS Certified Developer Associate Exam權威考題 - Royalholidayclubbed
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DVA-C01 PDF DEMO:
QUESTION NO: 1
An application running on Amazon EC2 instances must access objects within an Amaon S3 busket that are encrypted using server-side encryption using AWS KMS encryption keys (SSE-KMS).
The application must have access to the customer master key (CMK) to decrypt the objects.
Which combination of steps will grant the application access? (Select TWO.)
A. Create a Systems Manager parameter that exposes the KMS key to the EC2 instances.
B. Write a key policy that enables IAM policies to grant access to the key.
C. Grant access to the key in the S3 bucket's ACL
D. Grant access to the key in the IAM EC2 role attached to the application's EC2 instances.
E. Write an S3 bucket policy that grants the bucket access to the key.
Answer: B,D
Explanation
https://aws.amazon.com/premiumsupport/knowledge-center/decrypt-kms-encrypted-objects-s3/
IAM role needs access to the keys to decrypt the object and key policies must allow role access to the key. Key policies are the primary way to control access to customer master keys (CMKs) in AWS KMS.
You need the permission to decrypt the AWS KMS key. When a user sends a GET request, Amazon S3 checks if the AWS Identity and Access Management (IAM) user or role that sent the request is authorized to decrypt the key associated with the object. If the IAM user or role belongs to the same
AWS account as the key, then the permission to decrypt must be granted on the AWS KMS key's policy.
QUESTION NO: 2
An application is expected to process many files. Each file takes four minutes to process each
AWS Lambda invocation. The Lambda function does not return any important data.
What is the fastest way to process all the files?
A. First split the files to make them smaller, then process with synchronous RequestResponse
Lambda invocations.
B. Make asynchronous Event Lambda invocations and process the files in parallel.
C. First join all the files, then process it all at once with an asynchronous Event Lambda invocation.
D. Make synchronous RequestResponse Lambda invocations and process the files one by one.
Answer: B
QUESTION NO: 3
What is the format of structured notification messages sent by Amazon SNS?
A. An JSON object containing MessageId, DuplicateFlag, Message and other values
B. An XML object containing MessageId, UnsubscribeURL, Subject, Message and other values
C. An JSON object containing MessageId, unsubscribeURL, Subject, Message and other values
D. An XML object containing MessageId, DuplicateFlag, Message and other values
Answer: C
QUESTION NO: 4
When writing a Lambda function, what is the benefit of instantiating AWS clients outside the scope of the handler?
A. Legibility and stylistic convention
B. Creating a new instance per invocation
C. Better error handling
D. Taking advantage of connection re-use
Answer: 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
Royalholidayclubbed題供了不同培訓工具和資源來準備Amazon的HP HPE7-A06考試，編制指南包括課程，實踐的檢驗，測試引擎和部分免費PDF下載，我們的考題及答案反應的問題問Amazon的HP HPE7-A06考試。 IT認證考生大多是工作的人，由於大多數考生的時間花了很多時間在學習，Royalholidayclubbed Amazon的EMC NCA的考試資料對你的時間相對寬裕，我們會針對性的採取一些考古題中的一部分，他們需要時間來參加不同領域的認證培訓，各種不同培訓費用的浪費，更重要的是考生浪費了寶貴的時間。 你是其中之一嗎，你是否還在擔心和困惑的各種材料和花哨的培訓課程考試嗎？Royalholidayclubbed是你正確的選擇，因為我們可以為你提供全面的考試資料，包括問題及答案，也是最精確的解釋，所有這些將幫助你掌握更好的知識，我們有信心你將通過Royalholidayclubbed的Amazon的CompTIA 220-1101考試認證，這也是我們對所有客戶提供的保障。 我們Royalholidayclubbed Amazon的Veeam VMCE_v12考試培訓資料給所有需要的人帶來最大的成功率，通過微軟的Veeam VMCE_v12考試是一個具有挑戰性的認證考試。 讓你更大效益的發揮自己，如果你還在等待，還在猶豫，或者你很苦悶，糾結該怎樣努力通過 Amazon的ISACA CRISC考試認證，不要著急，Royalholidayclubbed Amazon的ISACA CRISC考試認證培訓資料會幫助解決這些難題的。
Updated: May 28, 2022
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