Fundamental concepts of networks, secure connectivity and network architecture.

🔐 Secure Connectivity

VPN (Virtual Private Network)

Virtual private network for secure connections

🌐 Network Architecture

Network Architecture

Design and structure of data networks

Network Topology

Physical and logical network configuration

Network Infrastructure

Network components and equipment

🔧 Network Components

Switches

Network switching devices

Routers

Routing devices

Firewall

Perimeter security devices

VLAN

Virtual local area networks

📊 Network Monitoring

Network Metrics

Network performance measurement and analysis

Traffic Captures

Network traffic analysis

🔗 Related Concepts

• TLS/SSL - Security in network communications
• IPsec - Network level security
• DNSSEC - Domain name system security
• Zero Trust - Network security model
• Defense in Depth - Network protection strategy
• Monitoring and Review - Network supervision
• SIEM - Network event monitoring
• Nmap - Network scanning