AWS IAM Roles
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Questions and Answers

What is the primary purpose of creating an IAM group?

  • To rotate access keys regularly
  • To create a new IAM user
  • To assign access keys to users
  • To simplify user management and permission assignment (correct)
  • What is a benefit of using IAM groups?

  • More complex permission management
  • IAM groups can be used to rotate access keys
  • IAM groups can be used to create new IAM users
  • Easier management of large numbers of users (correct)
  • What are the two parts of an access key?

  • Root access key and IAM user access key
  • Access key ID and secret access key (correct)
  • Username and password
  • Access key ID and password
  • What is a recommended best practice for access keys?

    <p>Rotate access keys regularly</p> Signup and view all the answers

    What can an IAM user be assigned?

    <p>Access keys, passwords, and MFA devices</p> Signup and view all the answers

    Who can assume an IAM role?

    <p>IAM users, AWS services, and external identities</p> Signup and view all the answers

    What is a benefit of using IAM roles?

    <p>Temporary security credentials are issued</p> Signup and view all the answers

    What is the purpose of an IAM policy?

    <p>To grant or deny access to AWS resources</p> Signup and view all the answers

    What type of policy is attached to an IAM user or group?

    <p>Identity-based policy</p> Signup and view all the answers

    What is the effect of an IAM policy statement with an 'Allow' effect?

    <p>Grants access to the specified resource</p> Signup and view all the answers

    What is NOT a benefit of using IAM roles?

    <p>Roles are attached to resources</p> Signup and view all the answers

    Study Notes

    AWS IAM

    Roles

    • An IAM role is an IAM identity that can be assumed by anyone who needs to access AWS resources
    • Roles are used to delegate access to users or services that need to access AWS resources
    • Roles can be assumed by:
      • IAM users
      • AWS services (e.g. EC2, Lambda)
      • External identities (e.g. Facebook, Google)
    • Benefits:
      • Temporary security credentials are issued when a role is assumed
      • No need to share long-term credentials
      • Easy to manage access to AWS resources

    Policies

    • An IAM policy is a document that defines a set of permissions
    • Policies are used to grant or deny access to AWS resources
    • Types of policies:
      • Identity-based policies (attached to users, groups, or roles)
      • Resource-based policies (attached to resources, e.g. S3 buckets)
      • Organization-based policies (attached to an organization or organizational unit)
    • Policy structure:
      • Version
      • Statement (one or more)
      • Effect (Allow or Deny)
      • Action (e.g. s3:GetObject)
      • Resource (e.g. arn:aws:s3:::my-bucket)

    Users

    • An IAM user is an entity that represents a person or service that interacts with AWS resources
    • Users can be created and managed in IAM
    • Users can be assigned:
      • Access keys (long-term credentials)
      • Passwords (for console access)
      • MFA devices (for added security)
    • Users can be members of groups

    Groups

    • An IAM group is a collection of IAM users
    • Groups can be used to simplify user management
    • Groups can be assigned policies
    • Benefits:
      • Easier to manage large numbers of users
      • Simplifies permission management

    Access Keys

    • Access keys are long-term credentials used to access AWS resources
    • Access keys consist of:
      • Access key ID (public)
      • Secret access key (private)
    • Types of access keys:
      • Root access keys (created for the root user)
      • IAM user access keys (created for IAM users)
    • Best practices:
      • Rotate access keys regularly
      • Use IAM roles instead of access keys when possible
      • Never share access keys

    AWS IAM

    Roles

    • IAM roles are identities that can be assumed by users or services to access AWS resources
    • Roles delegate access to users or services that need to access AWS resources
    • Roles can be assumed by IAM users, AWS services, and external identities
    • Roles provide temporary security credentials, eliminating the need to share long-term credentials

    Policies

    • IAM policies define a set of permissions for accessing AWS resources
    • Policies grant or deny access to AWS resources
    • There are three types of policies: identity-based, resource-based, and organization-based policies
    • Policy structure consists of version, statement, effect, action, and resource
    • Policies can be attached to users, groups, roles, resources, or organizations

    Users

    • IAM users are entities that represent people or services interacting with AWS resources
    • Users can be created and managed in IAM
    • Users can be assigned access keys, passwords, and MFA devices
    • Users can be members of groups

    Groups

    • IAM groups are collections of IAM users
    • Groups simplify user management and permission management
    • Groups can be assigned policies
    • Benefits of using groups include easier management of large numbers of users and simplified permission management

    Access Keys

    • Access keys are long-term credentials used to access AWS resources
    • Access keys consist of an access key ID and a secret access key
    • There are two types of access keys: root access keys and IAM user access keys
    • Best practices for access keys include rotating them regularly, using IAM roles instead of access keys when possible, and never sharing access keys

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    Description

    Learn about IAM roles, their benefits, and how they delegate access to AWS resources. Understand how roles can be assumed by IAM users, AWS services, and external identities.

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