Technical Interview Questions
Vertical scaling means scaling the compute power such as CPU, RAM to your existing machine while horizontal scaling means adding more machines to your server or database. Horizontal scaling means increasing the number of nodes, and distributing the tasks among different nodes. In the context of Power BI interview questions, understanding the differences between horizontal … Read more
EBS stands for Elastic Block Store. It is a virtual disk in a cloud that creates the storage volume and attach it to the EC2 instances. It can run the databases as well as can store the files. All the files that it store can be mounted as a file system which can be accessed … Read more
An Amazon Transfer Acceleration Service is a service that enables fast and secure transfer of data between your client and S3 bucket. Amazon Transfer Acceleration is a service provided by Amazon Web Services (AWS) that enables fast and secure file transfers over long distances between your client and an Amazon S3 bucket. It utilizes Amazon’s … Read more
An Amazon Kinesis Firehose is a web service used to deliver real-time streaming data to destinations such as Amazon Simple Storage Service, Amazon Redshift, etc. Amazon Kinesis Firehose is a fully managed service provided by AWS that makes it easy to reliably load streaming data into data lakes, data stores, and analytics services. It can … Read more
Lifecycle hooks perform custom actions by pausing instances when Autoscaling group launches or terminates an instance. When instance is paused, an instance moves in a wait state. By default, an instance remains in a wait state for 1 hour. For example, when you launch a new instance, lifecycle hooks pauses an instance. When you pause … Read more