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CWNA无线网络工程师课程


CWNP无线认证   添加时间: 2010-12-16 0:33:21   阅读数: 29984
 

 

     

CWNA(Certified Wireless Network Administrator) 课程介绍

 

CWNA ® (认证无线网络工程师)认证是无线认证CWNP计划中的一项基础级认证。CWNA认证可让您开始您的无线生涯,确保你有能力成功地管理企业级的无线局域网。

获取CWNA认证的好处:
A.据CertMag 2007年的薪资调查, CWNA的收入平均为9.4150万美元(美国)
B.为进入企业中的无线网络管理打开大门
C.提供了一个与众不同的职业生涯,增强信誉和市场扩展能力
D.向您的组织或客户表明,你是这个技术的领导者,能够成功地实施无线解决方案
E.在迅速变化的网络领域中确保让您的技能遥遥领先

 

获得认证的要求:

通过2009年最新的PW0-104考试,具体可点击http://www.cwnp.com/exams/pw0104.html

也可以通过0755-25022500(深圳)400-615-0755(全国)或向中国唯一的授权培训中心 www.cntimes.biz在线查询.

 
培训内容:
 
    • 射频技术
    • 天线
    • 无线网络软件和硬件
    • 网络设计、安装和实施
    • 无线网络标准和组织
    • 802.11 网络架构
    • 802.11 MAC架构
    • 无线网络安全
    • 无线网络排错分析  
    • 站点勘测技术
    • 802.11n
    • POE技术

课程大纲:

The following list contains the materials covered in the lecture portion of the course:

Introduction to 802.11 WLANs

  • Discuss the standards organizations responsible for shaping the 802.11 Wireless LAN protocol
  • Learn how standards compliance is enforced for 802.11 WLAN vendors
  • Examine the 802.11 standard and various amendments
  • Discuss additional networking standards that are commonly used to enhance 802.11 WLANs

Radio Frequency Fundamentals

  • Physical aspects of RF propagation
  • Types of losses and attenuation that affect RF communications
  • Types of modulation used for wireless communications
  • How channels and bandwidth are related to each other in wireless networks
  • Three types of Spread Spectrum used in wireless networking

RF Math and System Operating Margin

  • RF units of measure
  • Basic RF mathematics
  • RF signal measurements
  • Understand link budgets
  • Define and calculate System Operating Margin (SOM)

802.11 Service Sets

  • Explain three types of service sets defined for use within 802.11 WLANs
  • Roaming within a WLAN
  • Load-balancing as a method to improve congestion in WLANs

RF Power Output Regulations

  • Understand international, regional, and local RF spectrum management organizations
  • Understand RF channels in the unlicensed 2.4 GHz and 5 GHz frequency ranges
  • How power output limitations are enforced by the FCC for Point-to-Multipoint (PtMP) and Point-to-Point (PtP) wireless connections

Power over Ethernet

  • Recognize the two types of devices used in Power over Ethernet (PoE)
  • Recognize the differences between the two types of Power Sourcing Equipment (PSE)
  • Understand the two ways in which power can be delivered using PoE
  • Understand the importance of planning to maximize the efficiency of Power over Ethernet

Wireless LAN Operation

  • Ad Hoc networks
  • Infrastructure networks
  • Bridged networks
  • Repeater networks
  • Mesh networks
  • WLAN switched networks
  • Enterprise Wireless Gateway networks
  • Enterprise Encryption Gateway networks
  • Virtual AP networks
  • Evolution of WLAN architectures
  • WLAN Management

WLAN Security

  • Security Policy and Procedures
  • Legacy 802.11 Security Components
  • 802.11i Security Components
  • WPA-Personal
  • WPA-Enterprise
  • WPA2-Personal
  • WPA2-Enterprise
  • Baseline Security Practices (SOHO, SMB, Enterprise)

802.11 Analysis and Troubleshooting

  • Introduction to 802.11 Protocol Analysis
  • 802.11 Data Frames
  • 802.11 Control Frames
  • 802.11 Management Frames
  • Frame Fragmentation
  • Power Saving operations
  • Transmission Rates

Coordinating 802.11 Frame Transmissions

  • Differences between CSMA/CD and CSMA/CA
  • Distributed Coordination Function (DCF)
  • Quality of Service in 802.11 WLANS

Antennas

  • Antenna characteristics and behaviors
  • Types of antennas commonly used with WLANs
  • Advanced antenna systems
  • Antenna placement and mounting
  • Antenna safety
  • Types of antenna cables, connectors, and accessories

Site Surveying

  • Understanding the need for a site survey
  • Defining business requirements and justification
  • Facility analysis
  • Interviewing network management and users
  • Identifying bandwidth requirements
  • Determining contours of RF coverage
  • Documenting installation problems
  • Locating interference
  • Reporting methodology and procedures
  • Understanding specifics of each vertical market
  • Understanding the customer's network topology
  • Creating appropriate documentation during and after the site survey
  • Understanding safety hazards
  • Using appropriate hardware and software to perform the survey
  • Understanding the need for spectrum analysis
  • Manual RF site surveys
  • Predictive site surveys
  • Dense AP deployment

 

 

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