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You can find all the services offered by AWS in the management console. Amazon has recently rolled out a new preview version of the AWS Management Console. However, the older one seems to me more descriptive for me. Currently there is an option to opt out of the new console preview and see the old console itself. But you will not be able to switch back to the newer one after going back. My description below is based on the older Console.

AWS Management Console services can be classified into different groups or categories. Current categories are:

There are different types of security credentials based on how we interact with AWS - Management Console or tools such as CLI or SDKs. 

Signon Credentials: Email and Password

Email and password created during signup are used to login to pages such as the AWS Management Console, AWS discussion forums, or AWS support center.

AWS Identity and Access Management (IAM) enables you to create and manage AWS users, groups and roles, and use permissions to allow and deny their access to AWS services and resources. 

For using IAM, you can use the web based IAM console, the AWS CLI, or the API or SDKs. 

Benefits of IAM

1. IAM provides centralized control and shared access to your AWS account.

Authentication is done in IAM through following core concepts: users, groups or roles, and authorization is done through policies.

Users and Groups

Users and groups control an individual's access to AWS services. 

IAM Users can be grouped into Groups

Roles

We can attach roles to services.

Roles allow

Cloud Computing is a business model that enable on-demand network access to a shared pool of resources that can be rapidly provisioned and released with minimum manual effort.  The shared pool of resources may include servers, platforms, storage, applications and services, and the technologies such as server virtualization. 

You can interact with various AWS services through different tools:

• AWS Management Console

• Command Line Interface (CLI)

• SDKs

AWS Management Console

1. AWS Management Console is the web-based intuitive GUI to manage all services.

2. You can go to the AWS home page @ https://aws.amazon.com/ to login to the management console (or even for creating a new account).

Let us go through some of the definitions of Apache Spark available online and offline.