AWS Interview Question

What is the difference between horizontal scaling and vertical scaling in cloud computing

Horizontal Scaling : Horizontal scaling means that you scale by adding more machines/nodes¬†into your pool of resources or scaling group.This is one of the biggest successive method when compare with vertical scaling . You can quickly scale-up and scale-in number of nodes to handle machine traffic without affecting the application. Most of the public cloud provider AWS,Google,Azure supports horizontal scaling…

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AWS, AWS Interview Question

What are the different types of encryption mechanism available in AWS to encrypt data at rest in s3 ?

Data protection refers to protecting data while in-transit (as it travels to and from Amazon S3) and at rest (while it is stored on disks in Amazon S3 data centers) 1.Server-Side Encryption Request Amazon S3 to encrypt your object before saving it on disks in its data centers and then decrypt it when you download the objects. 2.Client-Side Encryption  Encrypt…

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What is the difference between AWS IAM user and role

Below are the difference between IAM user and role. IAM User: An IAM user has permanent long-term credentials and is used to directly interact with AWS services . Users can make requests to AWS services using security credentials. A user is a unique identity recognized by AWS services and applications. Similar to a login user in an operating system like…

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AWS Interview question

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