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DVA-C01考古题推薦，DVA-C01考題資源 - Amazon DVA-C01最新考題 - Royalholidayclubbed
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Amazon DVA-C01考古题推薦 是個能對生活有改變的認證考試。
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目前Amazon的DVA-C01考古题推薦認證考試真的是一門人氣很高的考試。還沒有取得這個考試的認證資格的你，是不是也想參加考試呢？確實，這是一門很難的考試。
DVA-C01 PDF DEMO:
QUESTION NO: 1
An AWS Lambda function must access an external site by using a regularly rotated user name and password.
These items must be kept securely and cannot be stored in the function code.
What combination of AWS services can be used to accomplish this? (Choose two.)
A. AWS KMS
B. AWS Systems Manager Parameter Store
C. Amazon GuardDuty
D. AWS Trusted Advisor
E. AWS Certificate Manager (ACM)
Answer: A,B
QUESTION NO: 2
Company D is running their corporate website on Amazon S3 accessed from
http//www.companyd.com.
Their marketing team has published new web fonts to a separate S3 bucket accessed by the S3 endpoint https://s3-us-west-1.amazonaws.com/cdfonts.
While testing the new web fonts, Company D recognized the web fonts are being blocked by the browser.
What should Company D do to prevent the web fonts from being blocked by the browser?
A. Enable versioning on the cdfonts bucket for each web font
B. Configure the cdfonts bucket to allow cross-origin requests by creating a CORS configuration
C. Create a policy on the cdfonts bucket to enable access to everyone
D. Add the Content-MD5 header to the request for webfonts in the cdfonts bucket from the website
Answer: B
QUESTION NO: 3
A Developer created a dashboard for an application using Amazon API Gateway, Amazon S3,
AWS Lambda, and Amazon RDS. The Developer needs an authentication mechanism allowing a user to sign in and view the dashboard. It must be accessible from mobile applications, desktops, and tablets, and must remember user preferences across platforms.
Which AWS service should the Developer use to support this authentication scenario?
A. AWS Directory Service
B. AWS KMS
C. Amazon Cognito
D. Amazon IAM
Answer: C
QUESTION NO: 4
Which of the following services are included at no additional cost with the use of the AWS platform? Choose 2 answers
A. Auto Scaling
B. Elastic Compute Cloud
C. CloudFormation
D. Elastic Load Balancing
E. Simple Storage Service
F. Simple Workflow Service
Answer: A,C
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.
大家都是一邊工作一邊準備考試，這樣很費心費力吧？為了避免你在準備考試時浪費太多的時間，Royalholidayclubbed為你提供了只需要經過很短時間的學習就可以通過考試的Microsoft PL-600考古題。 Adobe AD0-E724 - 那麼，應該怎麼辦才好呢？沒關係。 Royalholidayclubbed的UiPath UiPath-ADPv1考古題是最新最全面的考試資料，一定可以給你通過考試的勇氣與自信。 您是否感興趣想通過Huawei H19-640_V1.0考試，然后開始您的高薪工作？Royalholidayclubbed擁有最新研發的題庫問題及答案，可以幫助數百萬的考生通過Huawei H19-640_V1.0考試并獲得認證。 Fortinet FCP_ZCS-AD-7.4 - 這是一個被廣大考生檢驗過的網站，可以向大家提供最好的考試考古題。
Updated: May 28, 2022
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