AWS Cloud Practitioner (CLF-C02)
Content PART 1: Introduction to AWS AI & Cloud Essentials AWS Accounts PART 2: High-Level Overview of AWS Services AWS Services PART 3: AWS Frameworks and Ecosystem AWS Frameworks and Surrounding Ecosystem Legend About These Notes These notes are a comprehensive study guide for the AWS Cloud Practitioner (CLF-C02) certification. Current Version: v4 (last updated: […]
AWS Frameworks & Ecosystem
AWS Well-Designed Framework Best Practice Principles of the AWS Cloud General Guiding Principles Best Practice Cloud Design Principles The 6 Pillars of the AWS Well-Architected Framework 1. Operational Excellence 2. Security 3. Reliability 4. Performance Efficiency 5. Cost Optimization 6. Sustainability AWS Well-Architected Tool AWS Framework for Cloud Adoption What is CAF? CAF Capabilities Business […]
AWS Services
Identity and Access Services AWS Account Root User Root User Privileges Introduction to AWS IAM (CLF-C02) IAM Identities IAM PoliIntroduction to AWS IAM (CLF-C02)cy IAM Security – Best Practices IAM Audit Tools Shared Responsibility Model in IAM Additional Identity Services Advanced Identity Services Cloud Compute Services Amazon EC2 (Elastic Compute Cloud) – CLF-C02 Overview EC2 […]
AWS Accounts and Fundamentals
Introduction to AWS Amazon Web Services (AWS) AWS Cloud Use Cases AWS Cloud Pricing Model AWS Responsibility Model and Usage Policy AWS Shared Responsibility Model for Security AWS Acceptable Use Policy (AUP) Introduction to AWS Accounts AWS Account – Key Concepts AWS Account Root User IAM – Identity and Access Management AWS Account Boundaries Free […]
Cloud Essentials
Cloud Computing Fundamentals Conventional IT Infrastructure Client-Server Paradigm for Web Applications Physical Servers and Hardware (HW) Computer/Server Components Challenges of Physically Hosted Servers Common challenges: Cloud Computing Five Key Characteristics of a Cloud Platform On-Demand Self-Service Broad Network Access Resource Pooling Rapid Elasticity Measured Service Six Advantages of Cloud Computing (AWS Whitepaper) Public vs Private […]
CLI Guide
Initial Setup Commands Prompt / Mode Command Description R(config)# hostname <hostname> Set hostname for the device. R(config)# no ip domain-lookup Disable ip domain-lookup; no timeout when incorrect cmd typed. R(config)# banner motd $ <motd msg> $ Set MOTD. Use $ to end the MOTD when multiple lines typed. R(config)# line console 0 Prevents logging output […]
Advanced Network Design & Automation
Dynamic ARP Inspection (Part 2) This lab video demonstrates how to configure Dynamic ARP Inspection (DAI) on a switch to protect the network from ARP spoofing and ARP poisoning attacks. It walks through enabling DAI globally and per VLAN, marking trusted and untrusted ports, and verifying ARP inspection with commands that show the ARP table […]
Network Management & Security
SNMP This video explains how SNMP (Simple Network Management Protocol) is used to monitor and manage network devices — allowing network administrators to collect information about routers, switches, and other devices (like status, performance data, interface statistics) from a central location. It describes different SNMP versions, how SNMP agents and managers work, and how to […]
Network Essentials
TCP & UDP This video builds on redundancy protocols by showing how to configure and verify the protocols in a multi-router setup, ensuring network resilience if one router fails. It demonstrates the step-by-step commands to set up failover, how to monitor which router is active vs standby, and how to test the setup to confirm […]
STP & Routing
BPDU Guard & BPDU Filter (STP Toolkit) This video covers two key enhancements to the spanning‑tree protocol (STP)—BPDU Guard and BPDU Filter—which help improve network stability and security. It explains how BPDU Guard disables a port when it receives a Bridge Protocol Data Unit (BPDU) on a port where BPDUs aren’t expected (typically end‑host ports), […]