Cloud Concepts
What is SaaS (Software as a Service)?
This cloud service model provides complete applications managed by the provider, like Gmail or Salesforce.
What is AWS Shield Standard?
This free AWS service provides automatic DDoS protection to all customers with accounts in good standing.
What is Amazon EC2 (Elastic Compute Cloud)?
This AWS service provides scalable virtual servers in the cloud.
What is the AWS Pricing Calculator?
This free AWS tool helps you estimate monthly cloud architecture costs before implementation.
What is an Availability Zone?
This component of AWS global infrastructure consists of one or more discrete data centers with redundant power, networking, and connectivity.
What is elasticity?
The cloud's ability to automatically scale resources up or down based on demand.
What is IAM (Identity and Access Management)?
This AWS service provides fine-grained access control across all AWS services through policies, roles, and permissions.
What is Amazon S3 (Simple Storage Service)?
This AWS object storage service offers 99.999999999% durability and is ideal for static website hosting.
What is AWS Cost Explorer?
This free AWS tool helps you visualize, understand, and manage your AWS costs and usage over time with daily updates.
What is 33 regions?
The total number of active AWS Regions globally (as of 2025).
What is built-in security?
The six main benefits of cloud computing according to AWS include agility, elasticity, cost savings, global deployment in minutes, high availability, and this one.
What is the Shared Responsibility Model?
In this AWS security model, AWS is responsible for security 'of' the cloud while customers are responsible for security 'in' the cloud.
What is Amazon VPC (Virtual Private Cloud)?
This AWS networking service lets you create an isolated virtual network in the cloud, similar to a traditional network.
What are Reserved Instances?
This EC2 purchase option offers up to 72% discount in exchange for a 1 or 3-year commitment.
What are Edge Locations?
These AWS locations cache copies of content close to end users to reduce latency, with over 400 of them existing globally.
What is hybrid cloud?
This cloud deployment model combines on-premises infrastructure with cloud resources, allowing data and applications to be shared between them.
What is AWS WAF (Web Application Firewall)?
This AWS service protects your web applications from common exploits like SQL injection and cross-site scripting at the application layer.
What is Amazon RDS (Relational Database Service)?
This AWS service provides managed relational databases with automated patching, backup, and multi-AZ deployment options.
What are Savings Plans?
This flexible pricing model offers lower prices in exchange for committing to a consistent amount of compute usage (measured in $/hour) for 1 or 3 years.
What is 2 (two) Availability Zones?
This is the recommended minimum number of Availability Zones to deploy applications for high availability in production.
What is broad network access?
This cloud characteristic means resources can be accessed from anywhere via the internet using standard protocols and devices.
What is Amazon GuardDuty?
This AWS service continuously monitors for malicious activity and unauthorized behavior using machine learning and threat intelligence.
What is AWS Lambda?
This AWS compute service lets you run code without provisioning or managing servers, paying only for the compute time consumed.
What is the AWS Free Tier (12-month free offer)?
This free tier offer gives you access to certain AWS services free for 12 months after you create your AWS account.
What is data residency/compliance?
When choosing an AWS Region, you should consider latency, cost, service availability, and this compliance factor.