AWS Certified Cloud Practitioner Exam Review

  • AWS Certified Cloud Practitioner Overview

    • Certification: CLF-C01, covers foundational AWS services and core concepts.
    • This course will cover over 40 AWS services out of 200+ available.
    • Target Audience: AWS and IT beginners welcome, the course mixes theory and practice.

  • Cloud Computing Basics

    • Definition: On-demand delivery of compute power, database storage, applications, and other IT resources.
    • Characteristics of Cloud Computing:
    • On-demand self-service
    • Broad network access
    • Resource pooling
    • Rapid elasticity
    • Measured service

  • Deployment Models of Cloud:

    • Private Cloud: Services for a single organization, not exposed to the public.
    • Public Cloud: Services delivered over the internet by a third-party provider.
    • Hybrid Cloud: Combines private and public clouds.

  • Advantages of Cloud Computing:

    • Economic efficiencies through pay-as-you-go models.
    • High scalability and flexibility.
    • Speed and agility in development and resource allocation.
    • Global reach through a distributed network.

  • Key AWS Services:

    • Amazon EC2 (Elastic Compute Cloud): Virtual servers in the cloud.
    • Instances are customizable based on requirements (compute, memory, storage).
    • Elastic Load Balancing: Distributes incoming traffic to multiple instances for improved availability and reliability.
    • Auto Scaling Groups: Controls the number of EC2 instances automatically based on demand.
    • Amazon S3 (Simple Storage Service): Object storage service for bulk data storage.
    • Supports multiple storage classes (Standard, IA, Glacier, etc.).
    • AWS Lambda: Serverless computing allowing you to run code without provisioning or managing servers.

  • AWS Global Infrastructure:

    • Regions: Geographic areas with multiple Availability Zones (AZs) which are isolated from failures in other zones.
    • Availability Zones: Groups of data centers within a region designed to be independent.
    • Edge Locations: Content delivery network (CDN) points for distributing content via CloudFront.

  • Security In the Cloud:

    • Shared Responsibility Model:
    • AWS is responsible for securing the infrastructure.
    • Customers are responsible for securing their data and managing access controls.
    • Identity and Access Management (IAM): Controls user access and permissions.
    • Employs least-privilege principles.
    • DDoS Protection: AWS Shield for basic DDoS protection, AWS WAF for web application security protection.

  • Cost Management in AWS:

    • Billing Dashboard: Overview of costs, services used.
    • AWS Budgets: Set cost and usage budgets and receive alerts.
    • Cost Explorer: Visualize and analyze your costs and usage patterns.
    • AWS Pricing Calculator: Estimate AWS costs for your architecture proposals.

  • Training and Certification Paths:

    • Various paths including Solutions Architect, Developer, and more specialized tracks focusing on Networking, Security, or Data Analytics.

  • Exam Preparation Tips:

    • Familiarize yourself with the AWS ecosystem and utilize AWS documentation and resources.
    • Engage in practice exams to test your knowledge before the main exam.
    • Understand the difference between the services and make educated guesses to narrow down options in multiple-choice questions.