Topics 58
Amazon API Gateway Amazon Athena Amazon CloudFront & Content Delivery Amazon DynamoDB Amazon ECS (Elastic Container Service) Amazon EFS (Elastic File System) Amazon EKS (Elastic Kubernetes Service) Amazon ElastiCache (Redis & Memcached) Amazon EventBridge Amazon Kinesis & Data Streaming Amazon QuickSight & Business Intelligence Amazon Redshift & Data Warehousing Amazon Route 53 & DNS Management Amazon SageMaker & Machine Learning on AWS Amazon SNS (Simple Notification Service) Amazon SQS (Simple Queue Service) Auto Scaling Groups AWS AI Services (Rekognition, Polly, Lex & Comprehend) AWS Backup & Disaster Recovery AWS Batch AWS Certificate Manager (ACM) AWS Certification Paths & Career Roadmap AWS CLI & SDKs AWS CloudTrail & Auditing AWS CodePipeline, CodeBuild & CodeDeploy (CI/CD) AWS Config AWS Cost Management & Billing AWS Database Migration Service & Application Migration AWS Direct Connect & Hybrid Connectivity AWS Elastic Beanstalk AWS Fargate AWS Free Tier & Account Setup AWS Global Infrastructure (Regions, AZs & Edge Locations) AWS Glue & ETL AWS KMS & Data Encryption AWS Organizations & Multi Account Strategy AWS Outposts & Hybrid Cloud AWS Secrets Manager & Parameter Store AWS Security Hub & GuardDuty AWS Serverless Application Model (SAM) AWS Step Functions AWS Storage Gateway AWS Systems Manager AWS Trusted Advisor AWS WAF & Shield Core Services Overview EC2 & Compute Elastic Container Registry (ECR) Elastic Load Balancing (ALB, NLB & CLB) IaC (CloudFormation) IAM Lambda & Serverless Monitoring (CloudWatch) RDS & Databases S3 & Storage Tagging Strategies & Resource Management VPC & Networking Well-Architected Framework

AWS Free Tier & Account Setup

7 questions found

What is the AWS Free Tier and what types of free usage does it offer to new users?

Beginner
The AWS Free Tier gives new AWS customers a certain amount of free usage across many popular services for a defined period, typically the first twelve months for services like a small EC2 instance and a certain amount of S3 storage, along with some services offering an always free amount of usage indefinitely, such as a limited number of Lambda invocations each month, making it possible to learn and experiment with AWS at little to no cost.
aws ce get-cost-and-usage --time-period Start=2026-09-01,End=2026-09-30 --granularity MONTHLY --metrics UsageQuantity
Real-world example A student learning cloud computing builds and tests a small web application entirely within the AWS Free Tier limits, gaining hands on experience without incurring any actual charges during their first year of using AWS.

Common follow-ups: What happens to costs once the twelve month free tier period expires?;Which services offer an always free tier versus a twelve month limited free tier?

AWS Cost Management & Billing;EC2 & Compute

What are the essential steps for securely setting up a new AWS account for the first time?

Beginner
Essential first steps include enabling multi factor authentication on the root account, creating an individual IAM user with administrative permissions for daily use rather than continuing to use the root account, setting up a billing alert to catch unexpected charges early, and reviewing the account's default region and basic security settings, all of which establish a solid security foundation before beginning any actual development work.
aws iam create-user --user-name admin-user
aws iam attach-user-policy --user-name admin-user --policy-arn arn:aws:iam::aws:policy/AdministratorAccess
Real-world example A new AWS customer immediately enables multi factor authentication on their root account and creates a separate IAM administrator user for everyday tasks, following security best practices from the very first day rather than continuing to use the root account directly.

Common follow-ups: Why is it considered a bad practice to use the root account for everyday tasks?;What is the difference between multi factor authentication using a virtual device versus a hardware key?

IAM;AWS Cost Management & Billing

How can AWS Budgets and billing alerts help a new user avoid unexpectedly exceeding Free Tier limits?

Intermediate
AWS Budgets lets you create a budget with a low threshold, such as one dollar, and configure an email or SNS notification the moment your account's actual or forecasted spending crosses that threshold, giving new users an early warning system that helps catch a misconfigured resource, such as an oversized EC2 instance left running accidentally, before it results in a significant unexpected bill.
aws budgets create-budget --account-id 123456789012 --budget '{"BudgetName":"FreeTierAlert","BudgetLimit":{"Amount":"1","Unit":"USD"},"TimeUnit":"MONTHLY","BudgetType":"COST"}'
Real-world example A new AWS user sets up a one dollar monthly budget alert and receives an email notification just two days into the month, discovering they had accidentally left a larger than expected EC2 instance running overnight, allowing them to shut it down before any significant charges accumulated.

Common follow-ups: How quickly do billing alerts typically trigger after exceeding a threshold?;What is the difference between an actual cost alert and a forecasted cost alert?

AWS Cost Management & Billing;Monitoring (CloudWatch)

What is IAM Identity Center, and why is it recommended over creating individual IAM users for team access to an AWS account?

Intermediate
IAM Identity Center, formerly known as AWS Single Sign On, lets you centrally manage user access across one or more AWS accounts using a single set of credentials, supporting integration with existing corporate identity providers, and is generally recommended over creating individual long lived IAM users, since it simplifies access management, supports temporary credentials by default, and makes it much easier to revoke or adjust a person's access in one central place as their role changes.
aws sso-admin create-permission-set --instance-arn arn:aws:sso:::instance/ssoins-12345 --name DeveloperAccess
Real-world example A growing startup migrates from creating individual IAM users for every new employee to using IAM Identity Center, allowing the team to centrally manage everyone's access to multiple AWS accounts through a single sign on experience.

Common follow-ups: How does IAM Identity Center integrate with an existing corporate directory like Active Directory?;What is the migration path from individual IAM users to IAM Identity Center?

IAM;AWS Organizations & Multi Account Strategy

What common mistakes do new AWS users make that lead to unexpectedly high bills, and how can they be avoided?

Intermediate
Common costly mistakes include forgetting to terminate unused EC2 instances or delete unattached EBS volumes, leaving expensive resources like NAT Gateways or large RDS instances running in a test environment, accidentally exceeding Free Tier data transfer limits, and not setting up billing alerts at all, all of which can typically be avoided by regularly reviewing the AWS Cost Explorer dashboard, tagging resources clearly, and setting up automated alerts and even automated shutdown schedules for non production resources.
aws ec2 describe-volumes --filters Name=status,Values=available
Real-world example A new user discovers through Cost Explorer that a forgotten NAT Gateway left running in a test environment had been quietly accumulating hourly charges for weeks, prompting them to set up a habit of reviewing and cleaning up test resources regularly going forward.

Common follow-ups: What tools can automatically detect and flag unused or idle resources?;How can scheduled automation help reduce costs from resources only needed during business hours?

AWS Cost Management & Billing;Tagging Strategies & Resource Management

How should a growing organization transition from a single AWS account setup to a proper multi account structure as their AWS usage matures?

Advanced
A growing organization typically starts with AWS Organizations to create a management account and separate member accounts for different environments or business units, migrating existing workloads gradually into appropriately separated accounts such as production, development, and shared services, while establishing centralized security, logging, and billing practices across the entire organization, rather than continuing to run every workload within a single account where isolation and blast radius control become increasingly difficult to manage.
aws organizations create-organization --feature-set ALL
Real-world example A company that started with everything in a single AWS account gradually migrates its development and production workloads into separate dedicated accounts under a new AWS Organization, significantly improving security isolation and cost visibility in the process.

Common follow-ups: What is the recommended order of operations when migrating from a single account to a multi account structure?;How do you handle existing resources during this kind of account restructuring?

AWS Organizations & Multi Account Strategy;IAM

What advanced account security measures should a mature organization implement beyond the basic new account setup steps?

Advanced
Mature organizations typically implement service control policies through AWS Organizations to enforce guardrails across all accounts, enable AWS Config and CloudTrail organization wide for continuous compliance monitoring and auditing, enforce mandatory multi factor authentication and strong password policies for all IAM Identity Center users, regularly rotate and audit any remaining long lived credentials, and conduct periodic access reviews to ensure permissions remain aligned with the principle of least privilege as the organization and its team members change over time.
aws organizations create-policy --content file://scp-deny-root-actions.json --type SERVICE_CONTROL_POLICY --name DenyRootActions
Real-world example A mature enterprise implements a service control policy across its entire AWS Organization that prevents any account from disabling CloudTrail logging, ensuring consistent audit visibility is maintained organization wide regardless of individual account administrator actions.

Common follow-ups: How do service control policies differ from regular IAM policies in terms of scope and enforcement?;What is a reasonable cadence for conducting periodic access reviews across a large organization?

AWS Organizations & Multi Account Strategy;AWS CloudTrail & Auditing