AWS Cloud Practitioner Study Guide Notes
Introduction
- Host: Derek
- Purpose: To guide through AWS Cloud Practitioner exam preparation.
- Focus on AWS due to user-friendly platform.
- Certification objectives include understanding cloud computing and AWS services.
Instructor Background
- Derek: 3X AWS Certified (Cloud Practitioner, Solutions Architect, SysOps Admin).
- Experience: IT Support Engineer with ERP applications.
- Content is verified for accuracy.
Exam Objectives
- Understand the value of AWS Cloud.
- AWS Shared Responsibility Model.
- AWS Well-Architected Framework (5 pillars, plus sustainability).
- Familiarity with commonly used AWS services.
- Identify appropriate AWS services for common use cases.
What Will Not Be Tested On
- Coding, designing, troubleshooting, migrating workloads, and load testing.
Exam Tips
- Rule out 1-2 irrelevant answers after reading questions.
- Focus on keywords in questions (e.g., most cost-optimized, secure).
- Avoid strong absolutes like "always" or "never."
- Understand the pillars of cloud computing: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization.
Exam Score Breakdown
- Cloud Concepts: 26%
- Security and Compliance: 25%
- Technology: 33%
- Billing and Pricing: 16%
Cloud Computing Overview
- Definition: On-demand delivery of IT resources over the Internet with pay-as-you-go pricing.
- Key components: Compute, Storage, Database, Networking.
- Two parties involved: Provider (AWS, Azure, Google Cloud) and Consumer (end-users/businesses).
- CapEx vs OpEx: Transitioning from capital expenditures to operating expenditures.
Shared Responsibility Model
- AWS Responsibilities: Hardware, global infrastructure, software for compute/storage/networking.
- Customer Responsibilities: Securing data, configuring virtual infrastructure, managing third-party software.
Benefits of Using Cloud
- Increased agility and scalability.
- Pay-as-you-go pricing model.
- Economies of scale, global reach, security, reliability, and availability.
AWS Well-Architected Framework
- Pillars of Architecture:
- Operational Excellence
- Security
- Reliability
- Performance Efficiency
- Cost Optimization
- Focus on key business value and best practices.
AWS Global Infrastructure
- Regions: Geographical locations with data center clusters.
- Availability Zones: Physical data centers within a region for high availability and fault tolerance.
- Edge Locations: Data centers for caching content closer to users.
Major AWS Services
Compute Services
- EC2: Virtual machines/instances for compute needs.
- Lambda: Serverless compute service.
Storage Services
- S3: Object storage with virtually unlimited capacity.
- EBS: Block storage for EC2 instances.
- EFS: Scalable file storage.
Database Services
- RDS: Relational database service.
- DynamoDB: NoSQL database service.
Networking Services
- VPC: Virtual Private Cloud for deploying resources.
- Route 53: DNS service for routing.
Security Services
- IAM: Identity and Access Management.
- GuardDuty: Threat detection service.
- KMS: Key Management Service for encryption.
Pricing and Billing
- TCO: Total Cost of Ownership.
- Use the AWS Pricing Calculator to estimate costs.
- AWS Budgets: Set budgets to manage spending.
AWS Support Plans
- Basic: Free email support for billing/account questions.
- Developer: Tech support via email.
- Business: 24/7 support via email, chat, and phone.
- Enterprise: Dedicated manager and 24/7 support.
Closing Notes
- Ensure to use Hands-On labs and practice exams.
- Key themes: Overprepare for the exam, focus on understanding AWS services, and maintain a calm mindset before the test.
- Contact information for questions is available.
Note: This guide is comprehensive, covering major AWS services and exam strategies necessary for passing the AWS Certified Cloud Practitioner exam.