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You are writing to a DynamoDB table and receive the following exception:" ProvisionedThroughputExceededException". though according to your Cloudwatch metrics for the table, you are not exceeding your provisioned throughput. What could be an explanation for this?
During non-peak hours, a Developer wants to minimize the execution time of a full Amazon DynamoDB table scan without affecting normal workloads. The workloads average half of the strongly consistent read capacity units during non-peak hours. How would the Developer optimize this scan?
You are providing AWS consulting services for a company developing a new mobile application that will be leveraging Amazon SNS Mobile Push for push notifications. In order to send direct notification messages to individual devices each device registration identifier or token needs to be registered with SNS; however the developers are not sure of the best way to do this. You advise them to:
A company is migrating a web application from on premises to AWS. The company needs to move session storage from the application code to a shared service as part of the migration. The session storage data must be encrypted at rest. Which AWS services meet these requirements? (Choose two.)
A developer runs an application that uses an Amazon API Gateway REST API. The developer needs to implement a solution to proactively monitor the health of both API responses and latencies in case a deployment causes a service disruption despite passing deployment pipeline tests. The solution also must check for endpoint vulnerability and unauthorized changes to APIs. URLs, and website content. Which solution will meet these requirements?
Which of the following are correct statements with policy evaluation logic in AWS Identity and Access Management? Choose 2 answers
An application stores payroll information nightly in DynamoDB for a large number of employees across hundreds of offices. Item attributes consist of individual name, office identifier, and cumulative daily hours. Managers run reports for ranges of names working in their office. One query is. "Return all Items in this office for names starting with A through E". Which table configuration will result in the lowest impact on provisioned throughput for this query?
A developer has written the following 1AM policy to provide access to an Amazon S3 bucket: Which access does the policy allow regarding the s3:GetObject and s3:PutObject actions'?
Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table. What is the most secure approach for signing requests to the DynamoDB API?
A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

Question 404 - DVA-C01 discussion

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A developer must build a mobile application that allows users to read and write data from an Amazon DynamoDB table to store user state for each unique user. The solution needs to limit data access to allow users access only to their own data Which solution below is the most secure?

A.
Embed AWS access credentials into the application and create DynamoDB queries that limit user access.
Answers
A.
Embed AWS access credentials into the application and create DynamoDB queries that limit user access.
B.
Use Amazon Cognito identity pools to assign unique identifiers and provide user access
Answers
B.
Use Amazon Cognito identity pools to assign unique identifiers and provide user access
C.
Modify the DynamoDB table to allow public read and writes, then add client-side filtering
Answers
C.
Modify the DynamoDB table to allow public read and writes, then add client-side filtering
D.
Create a web portal for users to create an account on AWS Directory Service
Answers
D.
Create a web portal for users to create an account on AWS Directory Service
Suggested answer: C
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asked 16/09/2024
Victor Silveira
28 questions
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