Overview

OSI Model

OSI and TCP-IP Models

Network Topologies

Encapsulation

Network Types

Service Provider Links

Copper Cables and Connections

Fiber Cables and Connections

Virtualization

Ethernet Standards

Cable Management

IP Addressing Subnetting Basics

IP Addressing Schemes and Contexts

IP Addressing IPv4

IP Addressing Subnetting Example

IP Addressing Subnetting Scenarios

Network Services

Protocols and Ports

IP Addressing IPv6

Network Services DNS

Datacenter Network Architecture

Cloud and Networking Concepts

Networking and Networked Devices

Routing and Bandwidth Management

Ethernet Switching

Wireless Infrastructure

Standards

Wireless Encryption Standards

Interface Statistics

Performance Metrics

Cellular Technologies

Device Logs

SNMP

Environmental Factors

Plans and Procedures

Plans and procedures - BCDR

Security Policies

Organizational Documentation

Security Concepts

High Availability and Disaster Recovery

Security - Cryptography Basics

Security - Authentication Methods

Security - Defense in Depth

Security - Assessment Types

Technology-based Attacks

Social Engineering

Remote Connections

Virtual Private Networks

Network Hardening - Best Practices

Network Hardening - Wireless Security

Troubleshooting - Identify the problem

Troubleshooting - Establish and Test a Theory

Troubleshooting - Plan and Implement a Solution

Troubleshooting - Verify System Functionality

Troubleshooting - Document the Issue

Cabling Tools

Cabling Issues

Network Software Tools

Troubleshooting with Ping

IP Addressing Commands

DNS Troubleshooting Commands

Information Gathering Commands

Route Troubleshooting Commands

Additional Network Commands

Wireless Network Issues

Addressing Issues

Network Service Issues

Routing and Switching Issues