A developer has written an AWS Lambda function.The function is CPU-bound.The developer wants to ensure that the function returns responses quickly.How can the developer improve the function’s performance?Read More →
A company is developing an application that will generate log events.The log events consist of five distinct metrics every one tenth of a second and produce a large amount of data.The company needs to configure the application to write the logs to Amazon Timestream.The company will configure a daily query against the Timestream table.Which combination of steps will meet these requirements with the FASTEST query performance? (Choose three.)Read More →
A SysOps administrator is managing a web application that runs on Amazon EC2 instances behind an Application Load Balancer (ALB).The instances run in an EC2 Auto Scaling group.The administrator wants to set an alarm for when all target instances associated with the ALB are unhealthy.Which condition should be used with the alarm?Read More →
Which of the following is true while using an IAM role to grant permissions to applications running on Amazon EC2 instances?Read More →
The Security Engineer is managing a traditional three-tier web application that is running on Amazon EC2 instances.The application has become the target of increasing numbers of malicious attacks from the Internet.What steps should the Security Engineer take to check for known vulnerabilities and limit the attack surface? (Choose two.)Read More →
A company maintains a searchable repository of items on its website.The data is stored in an Amazon RDS for MySQL database table that contains more than 10 million rows.The database has 2 TB of General Purpose SSD storage.There are millions of updates against this data every day through the company’s website.The company has noticed that some insert operations are taking 10 seconds or longer.The company has determined that the database storage performance is the problem.Which solution addresses this performance issue?Read More →
A company is designing its network configuration in the AWS Cloud.The company uses AWS Organizations to manage a multi-account setup.The company has three OUs.Each OU contains more than 100 AWS accounts.Each account has a single VPC, and all the VPCs in each OU are in the same AWS Region.The CIDR ranges for all the AWS accounts do not overlap.The company needs to implement a solution in which VPCs in the same OU can communicate with each other but cannot communicate with VPCs in other OUs.Which solution will meet these requirements with the LEAST operational overhead?Read More →
A developer is implementing user authentication and authorization for a web application that is hosted on an Amazon EC2 instance.The developer needs to ensure that the user credentials are encrypted and secure when they are stored and transmitted.Which solution will meet these requirements?Read More →
A company wants its employees to have access to virtual desktop infrastructure to securely access company-provided desktops through the employees’ personal devices.Which AWS service should the company use to meet these requirements?Read More →
A Machine Learning Specialist needs to move and transform data in preparation for training.Some of the data needs to be processed in near-real time, and other data can be moved hourly.There are existing Amazon EMR MapReduce jobs to clean and feature engineering to perform on the data.Which of the following services can feed data to the MapReduce jobs? (Choose two.)Read More →
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