Amazon DVA-C01 Practice Test - Questions Answers, Page 50
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A company has an internal website that gives users the ability to access contract Idata that is stored in an Amazon RDS DB instance The number of contracts has increased and several users have reported slow retrieval of the contract data The company wants to set up a cache to improve the latency A developer must create a solution that ensures data resiliency The data must be encrypted and must be partitioned by department Which solution will meet these requirements?
A company has an application that is based on Amazon EC2 The company provides API access to the application through Amazon API Gateway and uses Amazon DynamoDB to store the application's data A developer is investigating performance issues that are affecting the application. During peak usage, the application is overwhelmed by a large number of identical data read requests that come through APIs What is the MOST operationally efficient way for the developer to improve the application's performance''
A developer is building a web and mobile application for two types of users regular users and guest users Regular users are required to log in, but guest users do not log in Users should see only their data regardless of whether they authenticate Users need AWS credentials before they can access AWS resources What is the MOST secure solution that the developer can implement to allow access for guest users?
A developer is designing a web application in which new users will use their email addresses to create accounts Millions of users are expected to sign up. The application will store attributes for each user Which AWS service or feature should the developer implement to meet these requirements?
A developer is building a static, client-side rendered website that is powered by ReactJS The code has no server-side generated components and does not need to run any programming languages on the server However the code serves static HTML, CSS, and JavaScript to the client on each request The developer's solution to host the website must maximize performance and cost-effectiveness Which combination of AWS services or resources should the developer use to meet these requirements?
A company has an AWS Lambda function that runs hourly, reads log files that are stored in Amazon S3, and forwards alerts to Amazon Simple Notification Service (Amazon SNS) topics based on content A developer wants to add a custom metric to the Lambda function to track the number of alerts of each type for each run The developer needs to log this information in Amazon CloudWatch in a metnc that is named Lambda/AlertCounts How should the developer modify the Lambda function to meet this requirement with the LEAST operational overhead1?
A company has a web application that uses an Amazon Cogmto user pool for authentication. The company wants to create a login page that includes the-company logo What should a developer do to meet these requirements?
A company is providing read access to objects in an Amazon S3 bucket for different customers The company uses 1AM permissions to restnd access to the S3 bucket The customers can access only their own files Due to a regulation requirement the company needs to enforce encryption in transit for interactions with Amazon S3 Which solution will meet these requirements'?
A company's security policies require all database passwords to be rotated every 30 days The company uses different database platforms, including Amazon Aurora databases and proprietary NoSQL document databases, for different applications A developer needs to implement a solution for password rotation Which solution will meet these requirements?
A company requires objects that are stored in Amazon S3 to be encrypted The company is currently using server-side encryption with AWS KMS managed encryption keys (SSE-KMS) A developer needs to optimize the cost-effectiveness of the encryption mechanism without negatively affecting performance What should the developer do to meet these requirements?
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