CCNA Wireless

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1.0 RF Fundamentals

1.1 Describe the propagation of radio waves

  • 1.1.a Frequency, amplitude, phase, wavelength (characteristics)
  • 1.1.b Absorption, reflection, diffraction, scattering, refraction, fading, free space path loss, multipath

1.2 Interpret RF signal measurements

  • 1.2.a Signal strength (RSSI, Transmit power, receive sensitivity)
  • 1.2.b Differentiate interference vs. noise
  • 1.2.c Device capabilities (smartphones, laptops, tablets)
  • 1.2.d Define SNR

1.3 Explain the principles of RF mathematics

  • 1.3.a Compute dBm, mW, Law of 3s and 10s,

1.4 Describe Wi-Fi antenna characteristics

  • 1.4.a Ability to read a radiation pattern chart
  • 1.4.b Antenna types and uses
  • 1.4.c dBi, dBd, EIRP

2.0 802.11 Technology Fundamentals

2.1 Describe basic Wi-Fi governance

  • 2.1.a Describe regional regulatory bodies (such as, FCC / ETSI/ NTT)
  • 2.1.b IEEE 802.11
  • 2.1.c Wi-Fi Alliance

2.2 Describe usable channel and power combination

  • 2.2.a Regional EIRP limitation examples
  • 2.2.b ISM, UNII frequency bands
  • 2.2.c Describe RRM fundamental(s)

2.3 Describe 802.11 fundamentals

  • 2.3.a Modulation techniques
  • 2.3.b Channel width
  • 2.3.c MIMO / MU-MIMO
    • 2.3.c (i) MRC
    • 2.3.c (ii) Beam forming
    • 2.3.c (iii) Spatial streams
  • 2.3.d Wireless topologies
    • 2.3.d (i) IBSS
    • 2.3.d (ii) BSS
    • 2.3.d (iii) ESS
  • 2.3.e Frame types
    • 2.3.e (i) Management
    • 2.3.e (ii) Control
    • 2.3.e (iii) Data

3.0 Implementing a Wireless Network

3.1 Describe the various Cisco wireless architectures

  • 3.1.a Cloud
  • 3.1.b Autonomous
  • 3.1.c Split MAC
    • 3.1.c (i) FlexConnect
    • 3.1.c (ii) Centralized
    • 3.1.c (iii) Converged

3.2 Describe physical infrastructure connections

  • 3.2.a Wired infrastructures (AP, WLC, access/trunk ports, LAG)

3.3 Describe AP and WLC management access connections

  • 3.3.a Management connections (Telnet, SSH, HTTP, HTTPS, console)
  • 3.3.b IP addressing: IPv4 / IPv6
  • 3.3.c Management via wireless

4.0 Operating a Wireless Network

4.1 Execute initial setup procedures Cisco wireless infrastructures

  • 4.1.a Cloud
  • 4.1.b Converged
  • 4.1.c Centralized
  • 4.1.d Autonomous

4.2 Describe the Cisco implementation of the CAPWAP discovery and join process

  • 4.2.a DHCP
  • 4.2.b DNS
  • 4.2.c Master-controller
  • 4.2.d Primary-secondary-tertiary

4.3 Distinguish different lightweight AP modes

4.4 Describe and configure the components of a wireless LAN access for client connectivity using GUI only

4.5 Identify wireless network and client management and configuration platform options

  • 4.5.a Controller GUI and CLI
  • 4.5.b Prime infrastructure
  • 4.5.c Dashboard
  • 4.5.d ISE

4.6 Maintain wireless network

  • 4.6.a Perform controller configuration backups
  • 4.6.b Perform code updates on controller, APs, and converged access switches
    • 4.6.b (i) AireOS: boot loader (FUS), image
    • 4.6.b (ii) IOS-XE: bundle, unbundle
    • 4.6.b (iii) Autonomous

5.0 Configuration of Client Connectivity

5.1 Identify authentication mechanisms

  • 5.1.a LDAP, RADIUS, local authentication, WebAuth, 802.1X,PSK

5.2 Configuring WLAN authentication mechanisms on the controller

  • 5.2.a WebAuth, 802.1X, PSK
  • 5.2.b TKIP deprecation

5.3 Configure client connectivity in different operating systems

  • 5.3.a Android, MacOS, iOS, Windows

5.4 Describe roaming

  • 5.4.a Layer 2 and Layer 3
  • 5.4.b Intracontroller and intercontroller
  • 5.4.c Centralized mobility
  • 5.4.d Converged mobility
  • 5.5 Describe wireless guest networking

  • 5.5.a Anchor controller
  • 5.5.b Foreign controller

6.0 Performing Client Connectivity Troubleshooting

6.1 Validating WLAN configuration settings at the infrastructure side

  • 6.1.a Security settings
  • 6.1.b SSID settings

6.2 Validating AP infrastructure settings

  • 6.2.a Port level configuration
  • 6.2.b Power source
  • 6.2.c AP and antenna orientation and position

6.3 Validate client settings

  • 6.3.a SSID
  • 6.3.b Security
  • 6.3.c Device driver version

6.4 Employ appropriate controller tools to assist troubleshooting

  • 6.4.a GUI logs
  • 6.4.b CLI show commands
  • 6.4.c Monitor pages
    • 6.4.c (i) CleanAir (controller GUI)

6.2 Identify appropriate third-party tools to assist troubleshooting

  • 6.2.a OS-based Client utilities
  • 6.2.b Wi-Fi scanners
  • 6.2.c RF mapping tool

7.0 Site Survey Process

7.1 Describe site survey methodologies and their purpose

  • 7.1.a Offsite (predictive / plan)
  • 7.1.b Onsite
    • 7.1.b (i) Predeployment (AP on a stick)
    • 7.1.b (ii) Post deployment (validation)

7.2 Describe passive and active site surveys

7.3 Identify proper application of site survey tools

  • 7.3.a Spectrum analyzer
  • 7.3.b Site surveying software

7.4 Describe the requirements of client real-time and non-real-time applications

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