Computers & Networking
What is the OSI Model?
OSI: Layer 1 - Physical
OSI: Layer 2 - Data Link
OSI: Layer 3 - Network
OSI: Layer 4 - Transport
OSI: Layer 5 - Session
OSI: Layer 6 - Presentation
OSI: Layer 7 - Application
TCP/IP Network Model
Ethernet Crossover Cable
Introduction to Ethernet
What is a VLAN?
Installing a Loopback Adapter
Introduction to IP Addressing
CIDR and Subnetting
What are Private IP Addresses?
Automatic Private IP Addressing (APIPA)
What is a Network Router?
How IP Packets are Routed on a Local Area Network
Network Address Translation (NAT)
TCP/IP Port Numbers
What is DHCP?
The DHCP Process: Negotiating a Lease
The DHCP Relay Agent
Increasing IP Lease Availability in DHCP
Load Balancing DHCP Using Split Scopes
How DNS Works
What is Root Hints?
What is an SOA Record in DNS?
What is Split-Brain, Split-Horizon, Split-DNS
Using NSLOOKUP to Troubleshoot DNS Issues
Windows Internet Naming Service (WINS)
WINS NetBIOS Unique and Group Names
Best Practices When Running WINS On Your Network
TCP/IP NetBIOS and Host Name Resolution
Using PING to Test for Network Connectivity
Ping and ICMP Error Messages
Introduction to Remote Access
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