An online reseller has a large, multi-column dataset with one column missing 30% of its data.A Machine Learning Specialist believes that certain columns in the dataset could be used to reconstruct the missing data.Which reconstruction approach should the Specialist use to preserve the integrity of the dataset?Read More →
A user is trying to setup a scheduled scaling activity using Auto Scaling.The user wants to setup the recurring schedule.Which of the below mentioned parameters is not required in this case?Read More →
Which AWS service will allow a user to set custom cost and usage limits, and will alert when the thresholds are exceeded?Read More →
A developer has an application that can upload tens of thousands of objects per second to Amazon S3 in parallel within a single AWS account.As part of new requirements, data stored in S3 must use server-side encryption with AWS KMS keys (SSE-KMS).After creating this change, performance of the application is slower.Which of the following is MOST likely the cause of the application latency?Read More →
Two Amazon EC2 instances in different subnets should be able to connect to each other but cannot.It has been confirmed that other hosts in the same subnets are able to communicate successfully, and that security groups have valid ALLOW rules in place to permit this traffic.Which of the following troubleshooting steps should be performed?Read More →
A government client needs you to set up secure cryptographic key storage for some of their extremely confidential data.You decide that the AWS CloudHSM is the best service for this.However, there seem to be a few pre-requisites before this can happen, one of those being a security group that has certain ports open.Which of the following is correct in regards to those security groups?Read More →
A company needs to upload gigabytes of files every day.The company need to achieve higher throughput and upload speeds to Amazon S3.Which action should a SysOps administrator take to meet this requirement?Read More →
A web application has been deployed using an AWS Elastic Beanstalk application.The application developers are concerned that they are seeing high latency in two different areas of the application:• HTTP client requests to a third-party API• MySQL client library queries to an Amazon RDS databaseA DevOps engineer must gather trace data to diagnose the issues.Which steps will gather the trace information with the LEAST amount of changes and performance impacts to the application?Read More →
A company is moving its fraud detection application from on premises to the AWS Cloud and is using Amazon Neptune for data storage.The company has set up a 1 Gbps AWS Direct Connect connection to migrate 25 TB of fraud detection data from the on-premises data center to a Neptune DB instance.The company already has an Amazon S3 bucket and an S3 VPC endpoint, and 80% of the company’s network bandwidth is available.How should the company perform this data load?Read More →
A company uses AWS Organizations to manage multiple AWS accounts for different departments.The management account has an Amazon S3 bucket that contains project reports.The company wants to limit access to this S3 bucket to only users of accounts within the organization in AWS Organizations.Which solution meets these requirements with the LEAST amount of operational overhead?Read More →
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