COURSE OBJECTIVE:
After completing this course, you will be able to:
• Understand and apply the essential concepts of Radio Frequency (RF) technology, including RF planning, RF-related calculations and spread spectrum technologies.
• Perform RF Spectrum Analysis for the 2.4GHz and 5GHz bands.
• Describe the rules governing wireless LANs, to comply with local radio regulations for setup and maintenance of WLANs.
• Describe the fundamental operation of wireless LANs, for effective WLAN problem analysis and troubleshooting.
• Understand IEEE 802.11b, 802.11g, 802.11a, 802.11n, 802.11ac and 802.11ax (Wi-Fi 6) standards and amendments; and their practical relevance in depth.
• Correctly install, configure and support Wi-Fi adapters, access points, wireless bridges and WLAN antennas.
• Understand 802.11 / Wi-Fi WLAN Physical and MAC -layer operation in depth.
• Describe and troubleshoot WLAN problems including RF coverage, multipath, hidden nodes and interference problems.
• Understand the essential tools and processes used in WiFi Site Survey.
• Work with sophisticated WLAN diagnostic tools from Ekahau, AirMagnet, MetaGeek, Savvius, Tamosoft and more.
• Describe the insecurities inherent in IEEE 802.11 WLANs.
• Apply best security practices, including WPA2 and WPA3, to secure Wi-Fi networks for small, medium and large organisations.
TARGET AUDIENCE:
• IT professionals and network engineers responsible for installing or supporting 802.11 (Wi-Fi) Wireless networks
• IT professionals wanting to progress within the wireless network industry
• Network planners, designers and support staff
• IT Security staff, managers and auditors
COURSE PREREQUISITES:
• Understanding Networking Fundamentals (GK3150)
COURSE CONTENT:
Course Details CWNA-108
Chapter 1 – WLAN and Networking Industry Organizations
o Industry Organizations – IEEE, WFA, IETF
o Regulatory Domains
o IEEE – 802.11 Standard and Amendments
o Wi-Fi Alliance certification
o PoE, EAP, RADIUS
Chapter 2 – RF Characteristics and Behavior
o Spectrum
o Sine Waves – Properties of RF Waves
o Power loss
o RF Propagation
o Free Space path loss – FSPL
o Spread spectrum
o Modulation – QAM
o OFDM
Chapter 3 – RF Mathematics and Measurements
o Units of RF Measurement
o Power Measurement
o Basic RF Math
o RSSI and Receivcer sensitivity
o Link Budget
Chaper 4 – RF Antennas and Hardware
o Antenna Fundamentals
o Polarization, Gain, Radiation
o WLAN Antennas Types o Line of Sight and Fresnel zones
o Antenna Mounting, connectors and cables
o Diversity
Chapter 5 – 802.11 PHYs and Network Types
o 802.11 Frequency Bands
o Physical Layers
o Modulation – OFDM
o Coding and MCS values
o Beamforming
o DFS and TPC
o Use Case Scenarios
o WLAN operating Modes – BSS, ESS,
Chapter 6 – Network Devices
o AP:s and Infrastructure Devices
o Birdge Links
o Clients
o Device Configuration
o Power Over Ethernet
Chapter 7 – 802.11 MAC Operations
o Frame Types
o General Frame Format
o Connection Frame exchange
o State Machine and 4-way Handshake
o EAP Intro
o BSS selection
Chapter 8 – Channel Access Methods
o Requirements
o DCF
o Carrier Sens and Interframes Spaces
o QoS and WMM
o RTS/CTS Protection
o Operation Modes
o Power Management
Chapter 9 – WLAN Network Architectures
o Control, Management, and Data
o Forwarding
o Controllers
o VLANs
o Roaming
o WLAN Models
o AP Placement and Channel Selection
Chapter 10 – WLAN Requirements and Solutions
o Data Access
o Verticals
o Network Types
o BYOD and MDM
o RRM, Band Steering and Airtime Fairness
o Hotspots
o Wired Network Services
FOLLOW ON COURSES:
Not available. Please contact.