CCNA Wirless

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

2.1 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

3.1 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

4.1 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

5.1 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

6.1 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)

6.5 Identify appropriate third-party tools to assist troubleshooting

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

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