A user runs the command `dd if=/dev/zero of=/dev/xvdfbs=1M` on a fresh blank EBS volume attached to a Linux instance.Which of the below mentioned activities is the user performing with the command given above?Read More →
A developer needs to manage AWS infrastructure as code and must be able to deploy multiple identical copies of the infrastructure, stage changes, and revert to previous versions.Which approach addresses these requirements?Read More →
A company uses AWS Organizations to manage several AWs accounts.The company processes a large volume of sensitive data.The company uses a serverless approach to microservices.The company stores all the data in either Amazon S3 or Amazon DynamoDB.The company reads the data by using either AWS Lambda functions or container-based services that the company hosts on Amazon Elastic Kubernetes Service (Amazon EKS) on AWS Fargate.The company must implement a solution to encrypt all the data at rest and enforce least privilege data access controls.The company creates an AWS Key Management Service (AWS KMS) customer managed key.What should the company do next to meet these requirements?Read More →
A company has implemented a new security requirement.According to the new requirement, the company must scan all traffic from corporate AWS instances in the company’s VPC for violations of the company’s security policies.As a result of these scans, the company can block access to and from specific IP addresses.To meet the new requirement, the company deploys a set of Amazon EC2 instances in private subnets to serve as transparent proxies.The company installs approved proxy server software on these EC2 instances.The company modifies the route tables on all subnets to use the corresponding EC2 instances with proxy software as the default route.The company also creates security groups that are compliant with the security policies and assigns these security groups to the EC2 instances.Despite these configurations, the traffic of the EC2 instances in their private subnets is not being properly forwarded to the internet.What should a solutions architect do to resolve this issue?Read More →
A company is running production workloads that use a Multi-AZ deployment of an Amazon RDS for MySQL db.m6g.xlarge (general purpose) standard DB instance.Users report that they are frequently encountering a “too many connections” error.A SysOps administrator observes that the number of connections on the database is high.The SysOps administrator needs to resolve this issue while keeping code changes to a minimum.Which solution will meet these requirements MOST cost-effectively?Read More →
A DevOps engineer is implementing governance controls for a company that requires its infrastructure to be housed within the United States.The engineer must restrict which AWS Regions can be used, and ensure an alert is sent as soon as possible if any activity outside the governance policy takes place.The controls should be automatically enabled on any new Region outside the United States (US).Which combination of actions will meet these requirements? (Choose two.)Read More →
A startup company is building a new application to allow users to visualize their on-premises and cloud networking components.The company expects billions of components to be stored and requires responses in milliseconds.The application should be able to identify:✑ The networks and routes affected if a particular component fails.✑ The networks that have redundant routes between them.✑ The networks that do not have redundant routes between them.✑ The fastest path between two networks.Which database engine meets these requirements?Read More →
A company’s reporting system delivers hundreds of .csv files to an Amazon S3 bucket each day.The company must convert these files to Apache Parquet format and must store the files in a transformed data bucket.Which solution will meet these requirements with the LEAST development effort?Read More →
A machine learning (ML) engineer is creating a binary classification model.The ML engineer will use the model in a highly sensitive environment.There is no cost associated with missing a positive label.However, the cost of making a false positive inference is extremely high.What is the most important metric to optimize the model for in this scenario?Read More →
An AWS account owner has setup multiple IAM users.One IAM user only has CloudWatch access.He has setup the alarm action which stops the EC2 instances when the CPU utilization is below the threshold limit.What will happen in this case?Read More →
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