If you’re preparing for your AWS certification, having a clear understanding of AWS terminology is crucial for success. To help you with your studies and boost your chances of passing the exams, we’ve compiled a simplified cheat sheet of key AWS terms. Whether you’re aiming for foundational knowledge or advancing into more specialized areas, this guide will make your learning process smoother.
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AWS Terminology Cheat Sheet
Use this cheat sheet as a handy reference for some of the core terms you’ll encounter in AWS. Whether you’re studying for an exam or applying AWS knowledge in real-world scenarios, understanding these concepts will be key to mastering AWS.
- Access Control List (ACL): A security layer on the subnet level, working like a firewall to control inbound and outbound traffic.
- Auto Scaling: Automatically adjusts the number of EC2 instances based on traffic demand to ensure your application is efficient and responsive.
- Buckets: The root-level “folders” in S3, where you store and organize data.
- CloudFront: AWS’s Content Delivery Network (CDN) service that stores your content in multiple global locations (edge locations), enabling faster delivery to users.
- CloudTrail: Tracks all activities and actions taken by users in your AWS account for auditing and security purposes.
- CloudWatch: AWS monitoring tool that provides real-time metrics and logs to track the health and performance of AWS services.
- Consolidated Billing: Allows organizations to manage billing across multiple AWS accounts in a single interface, providing an easier way to track costs.
- DNS Server: The system that maps domain names to IP addresses, enabling users to access websites using familiar names instead of numbers.
- DynamoDB: A highly scalable NoSQL database service for fast and flexible data storage without the need for traditional NoSQL software.
- Elastic Block Store (EBS): Provides persistent block storage for EC2 instances, making it easy to manage volumes of data over time.
- Elastic Compute Cloud (EC2): Virtual servers in the cloud that you can configure to meet your computing needs.
- Elastic Load Balancing (ELB): Automatically distributes incoming application traffic across multiple EC2 instances to ensure high availability and fault tolerance.
- ElastiCache: A caching service that boosts application performance by temporarily storing frequently used data.
- Elasticity: The ability of AWS systems to automatically scale resources up or down depending on traffic and demand.
- Fault Tolerance: Ensures that systems continue to operate even when one or more components fail.
- Firewall: A security layer that filters incoming and outgoing network traffic based on predetermined rules.
- Folders: Subdirectories in an S3 bucket where data is stored and organized.
- High Availability: Refers to systems designed to operate continuously with minimal downtime, ensuring resilience and reliability.
- IAM Users: Individuals who have access to an AWS account through Identity and Access Management (IAM) permissions.
- Identity and Access Management (IAM): AWS service for managing user access and permissions to AWS services.
- Lambda: Serverless computing that runs code without provisioning or managing servers, reducing the need for EC2 instances.
- Object Availability: The percentage of time over a year that a file stored in S3 will be accessible.
- Object Durability: The percentage of time over a year that a file stored in S3 won’t be lost or corrupted.
- Object Lifecycle: Automatically manages how data is stored in S3, transferring objects to different storage classes based on usage patterns.
- Object Sharing: Grants access to S3 objects through publicly available URLs.
- Object Versioning: Keeps track of multiple versions of an object in S3, ensuring data recovery if changes or deletions occur.
- Organizations: Allows centralized management of multiple AWS accounts, streamlining billing and resource access.
- Principle of Least Privilege: Ensures users are only granted the minimum level of access required to perform their jobs.
- Publishers: Entities or events that trigger Simple Notification Service (SNS) to send messages to subscribers.
- Relational Database Service (RDS): AWS service that manages SQL databases, offering several SQL database engines like MySQL, PostgreSQL, and more.
- Redshift: A fully managed data warehouse service designed to handle large datasets for analytics.
- Roles: Permissions assigned to AWS services to securely communicate and share data between them.
- Route 53: AWS’s DNS web service that routes end users to applications hosted on AWS.
- Scalability: The capability of a system to increase capacity seamlessly to accommodate growth without breaking the bank.
- Security Group (SG): A firewall/security layer that controls access to specific EC2 instances.
- Shared Responsibility Model: Defines the security responsibilities between AWS and the customer to ensure proper protection and compliance.
- Simple Notification Service (SNS): Enables the automation of sending notifications (email, text messages) based on specific events.
- Simple Storage Service (S3): AWS’s scalable object storage solution accessible from virtually any device.
- Storage Class: Refers to different tiers of S3 storage, including standard, infrequent access (IA), and archival (Glacier).
- Subnet: A partition of a network that allows you to isolate and organize resources within a specific section of your VPC.
- Subscriptions: Endpoints where messages are sent when using SNS to notify users or applications.
- Topics: Labels or categories in SNS that group related endpoints to which notifications are sent.
- Trusted Advisor: A tool that provides recommendations to optimize your AWS account for cost, performance, and security.
- User Credentials: The login details (username and password) assigned to IAM users.
- Virtual Private Cloud (VPC): A private section of AWS where you can configure and launch resources in an isolated environment.
These terms will not only help you prepare for AWS certification exams but also assist in applying AWS concepts in real-world scenarios. Studying these definitions is a step toward mastering AWS, but there’s no better way to ensure your success than by using high-quality study materials.
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