Connection Types and Functions

Created: 2025-11-25 Tags: fundamentals networking hardware connectivity

Description

Different types of physical and logical connections enable devices to communicate. Understanding connection types is essential for troubleshooting, network design, and security implementation.

Key Concepts

Physical Connections

• Ethernet: Wired network connections (Cat5e, Cat6, Cat7)
• USB: Universal Serial Bus for peripherals
• HDMI/DisplayPort: Video and audio connections
• Fiber Optic: High-speed data transmission
• Serial/Parallel: Legacy connection types

Wireless Connections

• Wireless Technologies - WiFi, Bluetooth, NFC, Infrared
• Radio frequency communication
• Wireless standards and protocols

Network Interface Types

• Network Interface Cards (NICs)
• Wireless adapters
• Virtual network interfaces

Security Considerations

• Physical Access Control: Securing physical connection points
• Wireless Security: Encryption and authentication for wireless
• USB Security: Preventing malicious USB devices
• Network Segmentation: Using different connection types for isolation

Related Topics

• Computer Hardware Components
• Wireless Technologies
• Network Topologies
• Switch
• Router
• OSI Model - Understanding how connections work at different layers

Practical Applications

• Identifying appropriate connection types for security zones
• Understanding attack vectors through different connection types
• Troubleshooting connectivity issues

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