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Certified Wireless Network Administrator (CWNA)
The Certified Wireless Network Administration (CWNA) Course delivers comprehensive coverage of Wireless LAN technologies. Topics include: Introduction to Wireless LANs, Radio Frequency (RF) Fundamentals, Spread Spectrum Technologies, Hardware Installation, Configuration, and Management, Antennas and Accessories, Organizations and Standards, 802.11 Network Architecture, Physical and MAC Layers, Troubleshooting Wireless LANs, Wireless LAN Security, and Site Surveying. CWNA is the first step in the Certified Wireless Network Professional (CWNP) Training and Certification program.
Students who attend this course will gain the following skills:
Understand and apply the essential concepts of Radio Frequency (RF) technology, including RF planning and spread spectrum technologies.
Understand the fundamental operation of wireless LANs, for effective WLAN problem analysis and troubleshooting.
Describe the rules governing wireless LANs, to comply with local radio regulations for setup and maintenance of WLANs.
Install, configure and support wireless NICs, access points, bridges, gateways, antennas.
Analyse and troubleshoot WLAN problems, including coverage, multipath, hidden nodes and interference.
Perform a basic site survey for the installation of WLANs.
Understand the insecurities in IEEE 802.11 WLANS.
Identify the attacks that can occur from network hackers.
Secure the transmission of data over a wireless LAN using advanced tunelling and encryption techniques.
Conduct essential security surveys to assess the presence and weaknesses of WLANs.
Radio Frequency (RF) Fundamentals
Principles of antennas
Following power output regulations
RF math calculations Hardware Installation, Configuration, and Management
Wireless workgroup bridges
Antennas and Accessories
Determining coverage areas
Proper mounting and safety
Performing outdoor/indoor installations
Power over Ethernet
Cables and connector usage requirements
Physical and MAC Layers
Differences between wireless and Ethernet frames
Collision handling and the use of RTS/CTS
Throughput and dynamic rate selection
Analysis of DCF/PCF
Effects of packet fragmentation
Defining business requirements
Interviewing network management and users
Identifying bandwidth requirements
Determining contours of RF coverage
Documenting installation problems
Reporting methodology and procedures
Spread Spectrum Technologies
Uses of Spread Spectrum
Comparing DSSS to FHSS
Co-location and throughput analysis
Organizations and Standards
Frequency ranges and channels
IEEE 802.11 family of standards
Wireless LAN organizations
802.11 Network Architecture
Joining a wireless LAN
Authentication and association
Basic Service Set
Extended Service Set
Independent Basic Service Set
Roaming in a wireless LAN
Beacons and Probe Frames
Power management features
Wireless LAN Security
Analysis of 802.11 security including WEP
Available security solutions
Types of network attacks
Protecting the network from attacks
Corporate security policies
Troubleshooting Wireless LANs
Identifying and resolving interference problems
Maximizing system throughput
Maximizing Co-location throughput
Channel reuse for roaming
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