Networking for A+

Ports and Protocols

This A+ topic package covers technician-level recognition and practical matching of common network protocols and their default ports, the behavioral differences between TCP and UDP for support scenarios, the concept of well-known/registered/ephemeral port ranges, and aw...

Wireless Technologies

This A+ topic package covers technician-level recognition and basic troubleshooting for common wireless technologies in A+ Core 1 scope.

Network Services and Hosts

This A+ topic covers recognition-level knowledge of common network services and host roles listed in CompTIA A+ Core 1 objective 2.3.

Network Configuration Concepts

This A+ topic covers A+ Core 1 support-level knowledge for recognizing IPv4 and IPv6 address formats, differentiating public/private/APIPA/loopback addressing patterns, understanding the purpose of core client network fields (IP, subnet mask, default gateway, DNS), and...

Network Devices

This A+ topic covers technician-level recognition and role-based identification of common network devices in small or SOHO environments.

SOHO Addressing and Setup

This A+ topic covers technician-level support for small office / home office (SOHO) networks: recognizing the common physical and logical layout, understanding how local IP addressing is commonly provided (DHCP and private IPv4 ranges), identifying router features used...

Connection Types, Network Types, and Tools

This A+ topic covers technician-level recognition and selection: common ways internet service reaches a location (cable, DSL, fiber, cellular, satellite), broad network classes by scale and support context (PAN, LAN, WLAN, WAN), and practical tools a technician chooses...