• Q: Which service is a fully managed pub/sub messaging service that makes it easy to set up, operate, and send notifications from the cloud, using ...

  • CloudFormation and Elastic Beanstalk are free of use. True (CloudFormation and Elastic Beanstalk are free of use, but you do pay for the resources created.) ...

  • How do you get charged in AWS Lambda? Per call and per duration (In AWS Lambda, you are charged per request and compute time, that’s ...

  • Which in-memory AWS database can you use to reduce the load off databases and has high performance, low latency? ElastiCache (Amazon ElastiCache is a web ...

  • Which S3 Storage Class is the most cost-effective for archiving data with no retrieval time requirement? Amazon Glacier Deep Archive (Amazon Glacier Deep Archive is ...

  • Q1. What is the main purpose of High Availability in the Cloud? Application thriving even in case of a disaster (High Availability means applications running ...

  • What is an EC2 (Amazon Elastic Compute Cloud)? Amazon Elastic Compute Cloud, EC2 is a web service from Amazon that provides re-sizable compute service in ...

  • Q1. What is a proper definition of IAM Roles? Ans.An IAM entity that defines a set of permissions for making AWS service requests, that will ...

  • Differentiate between Real DOM and Virtual DOM.   Real DOM Virtual  DOM 1. It updates slow. 1. It updates faster. 2. Can directly update HTML. ...

  • Introducing Hooks Hooks in React are a new addition in Version 16.8. They let you use different React features from your components without writing a ...