Technical Interview Questions
You cannot connect the EBS volume to multiple instances. But, you can connect multiple EBS volumes to a single instance. To connect an Amazon Elastic Block Store (EBS) volume to multiple EC2 instances, you can use Amazon Elastic File System (EFS) instead of EBS. EFS is a scalable file storage for use with Amazon EC2 … Read more
An Amazon EMR stands for Amazon Elastic MapReduce. It is a web service used to process the large amounts of data in a cost-effective manner. The central component of an Amazon EMR is a cluster. Each cluster is a collection of EC2 instances and an instance in a cluster is known as node. Each node … Read more
There are two types of AMI provided by AWS: Instance store backed An instance-store backed is an EC2 instance whose root device resides on the virtual machine’s hard drive. When you create an instance, then AMI is copied to the instance. Since “instance store-backed” instances root device is stored in the virtual machine’s hard drive, … Read more
An Amazon Elasticache is a web service allows you to easily deploy, operate, and scale an in-memory cache in the cloud. For an AWS interview question asking about Amazon ElastiCache, the correct answer would be: “Amazon ElastiCache is a fully managed in-memory caching service provided by Amazon Web Services (AWS). It allows you to deploy, … Read more
EC2 was officially launched in 2006. Amazon Elastic Compute Cloud (EC2) was officially launched by Amazon Web Services (AWS) on August 25, 2006.