Aditya's Blog - Amazon Web Service Certification

What is the Amazon Identity and access management tool (AWS IAM) A centralized service which is used to control user access and AWS resource use.  Provides shared access to AWS account. Each user will have own user id and Password for authentication and access to AWS what has been permitted to use by each individual Provides Granular permission to each individual access to AWS resources. This enforces the security and access governance by limiting the each individual access to AWS, according to job responsibility  Provides security for AWS resources that are used by application which is running on EC2 instances  Supports multi-factor authentication (MFA) to root user extra access security called two-factor authentication. User need to provide user id, password and a code from special device which is mapped to that root account  Support Identity Federation, this means, users can access AWS account with their own corporate credential or internet identity providers. this provide

What is Amazon API Gateways? A managed AWS service to develop, deploy and manage secure APIs at any scale Provides consistent RESTful APIs for mobile and web applications to access AWS services, Amazon S3 or Amazon Lambda, Amazon DynamoDB or any other AWS services It provided a well-integrated platform to a developer to develop the web or Mobile application which is APIs based for backend in AWS cloud. This supports both development community, APIs based web or Mobile application developer or APIs' developer Provide Seamless front door capability to manage all APIs calls to resource which is inside AWS or Out side AWS Forms app-facing part in serverless architecture framework

What is Elastic Compute Cloud (EC2)? This is a virtual machine running on shared hardware in multi-tenancy fashion with a feature of the quick boot (in minutes), auto scaling in quick time tens, hundred even in thousands of instances.

Object tagging enables to categorize object storage. A tag is a key-value pair.  Although object name prefix also enables to categorize the object storage, this is one-dimension categorization. Object tagging enables to categorize the object into multiple dimensions.

We all aware about document versioning importance and might be aware of source code versioning concept. Amazon S3 also supports versioning for objects which uploaded to S3 bucket.  Versioning enables to keep multiple version of same documents and also protect from unintended overwrites and deletions or to archive objects. Objects/files can be retrieved from previous versions.

To configure a bucket for website hosting, add configuration to manage objects lifecycle in the bucket, and configure the bucket to log all access to the bucket, Amazon S3 supports sub-resources. Subresources help to store and manage the bucket information. Subresources can be created by using of AWS SDK, AWS API or Console.