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Tech Fundamentals
COURSE INTRODUCTION
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OSI 7-Layer Networking Model
OSI Model Introduction (4:46)
Layer 1 - Physical (10:00)
Layer 2 - DataLink - PART1 (8:47)
Layer 2 - DataLink - PART2 (14:24)
Layer 3 - Network - PART1 (12:06)
Layer 3 - Network - PART2 (19:13)
Layer 3 - Network - PART3 (15:15)
Layer 4&5 - Transport & Session - PART1 (15:39)
Layer 4&5 - Transport & Session - PART2 (13:54)
Other Networking (MORE COMING SOON)
Network Address Translation (NAT) - PART1 (11:00)
Network Address Translation (NAT) - PART2 (9:38)
IP Address Space & Subnetting - PART1 (14:37)
IP Address Space & Subnetting - PART2 (10:32)
Distributed Denial of Service (DDOS) Attacks (14:35)
VLANs, TRUNKS & QinQ (16:14)
Decimal to Binary Conversion (IP Addressing) (17:12)
SSL & TLS (11:19)
Border Gateway Protocol (BGP) 101 (17:03)
Stateful vs Stateless Firewalls (14:04)
JumboFrames (4:35)
Layer 7 Firewalls (7:44)
IP Sec VPN Fundamentals (14:48)
Fibre Optic Cable 101 (11:21)
Security (MORE COMING SOON)
Encryption 101 - PART1 (13:56)
Encryption 101 - PART2 (6:42)
Envelope Encryption (8:06)
Hardware Security Modules (HSMs) (6:40)
Hash Functions & Hashing (13:19)
Digital Signatures (9:26)
DNS & DNSSEC
DNS #1 - What does DNS do (2:56)
DNS #2 - Why does DNS need a complex architecture (13:19)
DNS #3 - How DNS actually works ... walking the tree (8:46)
DNS #4 - What happens when a domain is registered? (4:27)
DNSSEC #1 - Why do we need DNSSEC (11:08)
DNSSEC #2 - How DNSSEC Works within a Zone (17:34)
DNSSEC #3 - DNSSEC Chain of Trust (8:16)
DNSSEC #4 - DNSSEC Root Signing Ceremony (7:53)
Containers & Virtualization (MORE COMING SOON)
Kubernetes 101 (11:27)
Backups & DR (MORE COMING SOON)
Recovery Point Objective (RPO) & Recovery Time Objective (RTO) (16:54)
Data Formats & Configuration Formats (MORE COMING SOON)
YAML aint markup language (YAML) 101 (6:12)
Javascript Object Notation (JSON) 101 (4:25)
Cloud Computing 101
What is Cloud Computing? (13:30)
Public vs Private vs Multi vs Hybrid Cloud .. (8:38)
Cloud Service Models (IAAS, PAAS, SAAS) (10:25)
Teach online with
Layer 3 - Network - PART1
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