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1. Guided course · Preview access

   Follow a connection through the OSI layers

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.1 · Networking Concepts

   Concepts: Physical layer · Data link layer · Network layer · Transport layer

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2. Guided course · Preview access

   Networking appliances, applications, and functions

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.2 · Networking Concepts

   Concepts: Router · Ethernet switch · Firewall · Load balancer

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3. Guided course · Preview access

   Cloud concepts and connectivity options

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.3 · Networking Concepts

   Concepts: Virtual private cloud · Network function virtualization · Software as a service · Infrastructure as a service

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4. Guided course · Preview access

   Common networking protocols, ports, services, and traffic types

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.4 · Networking Concepts

   Concepts: SSH · DNS · DHCP · NTP

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5. Guided course · Preview access

   Transmission media and transceivers

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.5 · Networking Concepts

   Concepts: Single-mode fiber · Multimode fiber · Direct attach copper · Coaxial cable

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6. Guided course · Preview access

   Network topologies, architectures, and types

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.6 · Networking Concepts

   Concepts: Mesh topology · Star topology · Spine-and-leaf · Three-tier architecture

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7. Guided course · Preview access

   Use appropriate IPv4 network addressing

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.7 · Networking Concepts

   Concepts: APIPA · RFC 1918 addressing · IPv4 loopback · Variable-length subnet masking

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8. Guided course · Preview access

   Evolving use cases for modern networks

   • CompTIA Network+ · N10-009 · V9
   • Objective 1.8 · Networking Concepts

   Concepts: SD-WAN · VXLAN · Zero-trust architecture · Infrastructure as code

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9. Guided course · Preview access

   Characteristics of routing technologies

   • CompTIA Network+ · N10-009 · V9
   • Objective 2.1 · Network Implementation

   Concepts: Static route · OSPF · BGP · Port address translation

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10. Guided course · Preview access

    Configure switching technologies and features

    • CompTIA Network+ · N10-009 · V9
    • Objective 2.2 · Network Implementation

    Concepts: Access VLAN · VLAN trunk · Native VLAN · LACP

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11. Guided course · Preview access

    Select and configure wireless devices and technologies

    • CompTIA Network+ · N10-009 · V9
    • Objective 2.3 · Network Implementation

    Concepts: Nonoverlapping channel plan · Band steering · WPA3-Personal · Enterprise wireless authentication

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12. Guided course · Preview access

    Important factors of physical installations

    • CompTIA Network+ · N10-009 · V9
    • Objective 2.4 · Network Implementation

    Concepts: Main distribution frame · Intermediate distribution frame · Uninterruptible power supply · Power distribution unit

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Topics and concept names from the seven current certification courses. IT basics and resource-only routes are available separately.