Omgzlookは正確な選択を与えて、君の悩みを減らして、もし早くてAmazon DVA-C01合格体験談認証をとりたければ、早くてOmgzlookをショッピングカートに入れましょう。あなたにとても良い指導を確保できて、試験に合格するのを助けって、Omgzlookからすぐにあなたの通行証をとります。 その結果、自信になる自己は面接のときに、面接官のいろいろな質問を気軽に回答できて、順調にDVA-C01合格体験談向けの会社に入ります。自分の幸せは自分で作るものだと思われます。 OmgzlookはきみのIT夢に向かって力になりますよ。
Amazon AWS Certified Associate DVA-C01 暇の時間を利用して勉強します。
Amazon AWS Certified Associate DVA-C01合格体験談 - AWS Certified Developer Associate Exam Omgzlookが短期な訓練を提供し、一回に君の試験に合格させることができます。 多分、DVA-C01 日本語版試験勉強法テスト質問の数が伝統的な問題の数倍である。Amazon DVA-C01 日本語版試験勉強法試験参考書は全ての知識を含めて、全面的です。
IT業界では関連の認証を持っているのは知識や経験の一つ証明でございます。Omgzlookが提供した問題集を使用してIT業界の頂点の第一歩としてとても重要な地位になります。君の夢は1歩更に近くなります。
AmazonのAmazon DVA-C01合格体験談試験の準備は重要です。
社会と経済の発展につれて、多くの人はIT技術を勉強します。なぜならば、IT職員にとって、AmazonのDVA-C01合格体験談資格証明書があるのは肝心な指標であると言えます。自分の能力を証明するために、DVA-C01合格体験談試験に合格するのは不可欠なことです。弊社のDVA-C01合格体験談真題を入手して、試験に合格する可能性が大きくなります。
ほかの人はあちこちAmazonのDVA-C01合格体験談試験の資料を探しているとき、あなたは問題集の勉強を始めました。準備の段階であなたはリーダーしています。
DVA-C01 PDF DEMO:
QUESTION NO: 1
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: 2
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: 3
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: 4
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: 5
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
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Updated: May 28, 2022