Online Access Free Amazon.AWS-Certified-Developer-Associate.v2021-10-14.q421 Practice Test (Page 4)

AWS-Certified-Developer-Associate Exam Question 11

An application displays a status dashboard. The status is updated by 1 KB messages from an SQS queue.
Although the status changes infrequently, the Developer must minimize the time between the message arrival in the queue and the dashboard update.
What technique provides the shortest delay in updating the dashboard?

A.Retrieve the messages from the queue using long polling every 20 seconds.

B.Reduce the size of the messages by compressing them before sending.

C.Retrieve the messages from the queue using short polling every 10 seconds.

D.Reduce the size of each message payload by sending it in two parts.

AWS-Certified-Developer-Associate Exam Question 12

Can a user get a notification of each instance start / terminate configured with Auto Scaling?

A.Yes, always

B.No

C.Yes, if configured with the Auto Scaling group

D.Yes, if configured with the Launch Config

AWS-Certified-Developer-Associate Exam Question 13

A developer is building an AWS Lambda function that will dynamically generate and send a weekly newsletter to 100,000 users. This newsletter contains both static text and images. The developer needs a fast and highly scalable place to store the images that will be hyperlinked in the newsletter.
Where should the developer store these images?

A.Use an Amazon DynamoDB table with DynamoDB Streams and read capacity auto scaling enabled.

B.Use an Amazon S3 bucket and S3 Transfer Acceleration to speed up the image download.

C.Use an Amazon Aurora database with a public DNS endpoint and auto scaling enabled.

D.Use an Amazon S3 backed Amazon CloudFront distribution with a high Time-to-Live (TTL) to maximize caching.

AWS-Certified-Developer-Associate Exam Question 14

A developer is working on an AWS Lambda function that accesses Amazon DynamoDB The Lambda function must retrieve an item and update some of its attributes. or create the item if it does not exist The Lambda function has access to the primary key.
Which IAM permissions should the developer request for the Lambda function to achieve this functionality'?

A.dynaracdb:DeleteItem
dynamodb:GetItem
dynamcdb:Putltem

B.dynamodb:Updateltem
dynamcdb:Getltem
dynamodb:DescribeTable

C.dynamcdb:GetRecords
dynamcdb:Putltem
dynamodb:updateTable

D.dynamodb:Updateltem
dynamodb:Getltem
dynamodb:Putltem

AWS-Certified-Developer-Associate Exam Question 15

A user has created a snapshot of an EBS volume. Which of the below mentioned usage cases is not possible with respect to a snapshot?

A.Mirroring the volume from one AZ to another AZ

B.Launch an instance

C.Decrease the volume size

D.Increase the size of the volume

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