# Topics - Network fundamentals

* 1.1 Explain the role and function of network components
  * 1.1.a Routers
  * 1.1.b Layer 2 and Layer 3 switches
  * 1.1.c Next-generation firewalls and IPS
  * 1.1.d Access points
  * 1.1.e Controllers (Cisco DNA Center and WLC)
  * 1.1.f Endpoints
  * 1.1.g Servers
  * 1.1.h PoE<br>
* 1.2 Describe characteristics of network topology architectures
  * 1.2.a Two-tier
  * 1.2.b Three-tier
  * 1.2.c Spine-leaf
  * 1.2.d WAN
  * 1.2.e Small office/home office (SOHO)
  * 1.2.f On-premise and cloud<br>
* 1.3 Compare physical interface and cabling types
  * 1.3.a Single-mode fiber, multimode fiber, copper
  * 1.3.b Connections (Ethernet shared media and point-to-point)
* 1.4 Identify interface and cable issues (collisions, errors, mismatch duplex, and/or speed)
* 1.5 Compare TCP to UDP
* 1.6 Configure and verify IPv4 addressing and subnetting
* 1.7 Describe the need for private IPv4 addressing
* 1.8 Configure and verify IPv6 addressing and prefix<br>
* 1.9 Describe IPv6 address types
  * 1.9.a Unicast (global, unique local, and link local)
  * 1.9.b Anycast
  * 1.9.c Multicast
  * 1.9.d Modified EUI 64
* 1.10 Verify IP parameters for Client OS (Windows, Mac OS, Linux)<br>
* 1.11 Describe wireless principles
  * 1.11.a Nonoverlapping Wi-Fi channels
  * 1.11.b SSID
  * 1.11.c RF
  * 1.11.d Encryption<br>
* 1.12 Explain virtualization fundamentals (server virtualization, containers, and VRFs)<br>
* 1.13 Describe switching concepts
  * 1.14 MAC learning and aging
  * 1.15 Frame switching
  * 1.16 Frame flooding
  * 1.17 MAC address table


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