N    e   w    s

CWNA

Certified Wireless Network Administrator

    The Wireless LAN Administration training course offers detailed instruction on the foundation concepts and technologies of wireless data networking.

    IT professionals who want to build administrator-level skills for Network Administration.

It is recommended that all students have at least a basic knowledge of networking.

    60 Training Hours

Radio Frequency (RF) Fundamentals

• RF behavior

• Principles of antennas

• Following power output regulations

• RF math calculations

Spread Spectrum Technologies

•  Uses of Spread Spectrum

• Frequency Hopping

• Direct Sequencing

• Comparing DSSS to FHSS

• Co-location and throughput analysis

Hardware Installation, Configuration, and Management

•  Access points

• Wireless bridges

• Wireless workgroup bridges

• Client devices

• Residential gateways

• Enterprise gateways

Antennas and Accessories

• Omni-directional

• Semi-directional

• Directional

• Determining coverage areas

• Proper mounting and safety

• Performing outdoor/indoor installations

• Power over Ethernet

• Cables and connector usage requirements  

Organizations and Standards

•  FCC rules

• Frequency ranges and channels

• IEEE 802.11 family of standards

• Wireless LAN organizations

• HomeRF

• Bluetooth

• Infrared

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

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

• Interframe spacing

• Effects of packet fragmentation        

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

• Security recommendations

Site Surveying

• Defining business requirements

• Facility analysis

• Interviewing network management and users

• Identifying bandwidth requirements

• Determining contours of RF coverage

• Documenting installation problems

• Locating interference

• Reporting methodology and procedures

Troubleshooting Wireless LANs

• Multipath

• Hidden node

• Near/Far

• Identifying and resolving interference problems

• Maximizing system throughput

• Maximizing Co-location throughput

• Channel reuse for roaming

• Range considerations