CWNP PW0-071

Identify deployment scenarios for common WLAN network types and suggest best practices for these scenarios.
-Small Office / Home Office (SOHO)
-Extension of existing networks into remote locations
-Building-to-building connectivity
-Public wireless hotspots
-Carpeted office, education, industrial, and healthcare
-Last-mile data delivery – Wireless ISP
-High density environments

Recognize common problems associated with wireless networks and their symptoms, and identify steps toisolate and troubleshoot the problem. Given a problem situation, interpret the symptoms and the most likelycause.
-Throughput problems
-Connectivity problems
-RF coverage or capacity problems
-Interference from Wi-Fi or non-Wi-Fi sources
-Application performance problems
-RF performance problems, such as multipath and hidden nodes

Identify procedures to optimize wireless networks.
-Infrastructure hardware selection and placement
-Identifying, locating, and removing sources of interference
-Client load-balancing and infrastructure redundancy
-Analyzing infrastructure capacity and utilization

Identify and describe the following legacy WLAN security technologies.
-SSID Hiding
-WEP
-MAC Filtering

Understand the basic operation of and implementation best practices for the following WLAN securitytechnologies.
- WPA- and WPA2-Personal
​-WPA- and WPA-2 Enterprise
-802.1X/EAP
-AAA and RADIUS
-Encryption – TKIP/CCMP

Understand the basic functions and implementation best practices for the following WLAN securitytechnologies.
-Role Based Access Control (RBAC)
-Virtual Private Networking (VPN)
-Wireless Intrusion Prevention Systems (WIPS)
-Captive Portals
-Network management and monitoring systems

Define the roles of the following organizations in providing direction and accountability within the wirelessnetworking industry
-IEEE
-Wi-Fi Alliance
-Local regulatory authorities

Define basic characteristics of and concepts relating to Wi-Fi technology
-Range, coverage, and capacity
-Frequencies/channels used
-Channel reuse and co-location
-Infrastructure and ad hoc modes
-BSSID, SSID, BSS, ESS, BSA, IBSS
-Network discovery via active and passive scanning
-802.11 authentication and association
-Data rates and throughput
-The distribution system and roaming
-Protection Mechanisms
-Power saving operation
-Dynamic rate switching

Summarize the basic attributes of the following WLAN standards, amendments, and product certifications
-802.11a
-802.11b
-802.11g
-802.11n
-Wi-Fi Multimedia (WMM) certification
-WMM Power Save (WMM-PS) certification
-Wi-Fi Protected Access (WPA/WPA2) certification
-Enterprise
-Personal

Explain the role of Wi-Fi as a network access technology
-WPAN, WLAN, WMAN, WWAN
-The OSI reference model

Define the basic concepts and units of RF measurements, identify when they are used, and perform basic unitconversion.
-Watt (W) and milliwatt (mW)
-Decibel (dB)
-dBm
-dBi
-RSSI
-SNR

Identify and explain RF signal characteristics
-Frequency
-Wavelength
-Amplitude
-Phase

Identify factors which affect the range and rate of RF transmissions
-Line-of-sight requirements
-Interference (Wi-Fi and non-Wi-Fi)
-Environmental factors, including building materials
-Free Space Path Loss

Define and differentiate between the following physical layer wireless technologies
-802.11b HR/DSSS
-802.11g ERP
-802.11a OFDM
- 802.11n HT

Define concepts which make up the functionality of RF spread spectrum communication
-802.11 channels
-Co-location of 802.11a/b/g/n systems
-Adjacent-channel and co-channel interference
-WLAN / WPAN co-existence
-CSMA/CA operation
-Half duplex communications

Understand and apply basic RF antenna concepts
-Passive Gain
-Beamwidth
-Simple diversity
-Polarization

Identify the use of the following WLAN accessories and explain how to select and install them for optimalperformance and regulatory domain compliance
-RF cables
- RF connectors
-Lightning Arrestors and grounding rods

Understand and describe the requirements to gather information prior to the site survey and do reporting afterthe site survey
-Gathering business requirements
-Interviewing stakeholders
-Gathering site-specific documentation including existing network characteristics
-Identifying infrastructure connectivity and power requirements
-Understanding RF coverage requirements
-Understanding application requirements

Define and differentiate between the following WLAN system architectures and understand site surveyconcepts related to each architecture. Identify and explain best practices for access point placement anddensity.
-Multiple Channel Architecture (MCA)
-Single Channel Architecture (SCA)

Describe the primary purpose and methodology of manual and predictive site surveys

Define the need for and the use of a manual site survey tool and differentiate between the following manualsite survey types
-Active surveys
-Passive surveys

Differentiate between manual and predictive site surveys
-Advantages and disadvantages of each site survey methodology

Define the need for and use of site survey software or a protocol analyzer in a manual site survey as it relates toidentifying, locating, and assessing nearby WLANs

Differentiate between site survey methods for indoor and outdoor wireless service

Define the need for and use of a spectrum analyzer in a site survey
-Identification and location of interference sources
-Differentiation of Wi-Fi and non-Wi-Fi interference sources

Understand industry best practices for optimal use of directional and omni-directional antennas in site surveys

Identify the purpose, features, and functions of the following wireless network components. Choose theappropriate implementation or configuration steps in a given scenario.
-Access Points
-Controller-based
-Autonomous
-Cooperative
-Mesh
-Wireless LAN Routers
-Wireless Bridges
-Wireless Repeaters
-WLAN Controller
-Distributed and centralized data forwarding
-Power over Ethernet (PoE) Devices
-802.3af and 802.3at
-Midspan
-Endpoint

Identify the purpose, features, and functions of the following client device types. Choose the appropriateinstallation or configuration steps in a given scenario.
-PC Cards (ExpressCard, CardBus, and PCMCIA)
-USB2
-PCI, Mini-PCI, and Mini-PCIe, and Half Mini PCIe cards
-Workgroup Bridges
-Client utility software and drivers

Identify the purpose, features, and proper implementation of the following types of antennas.
-Omni-directional / dipole
-Semi-directional
-Highly-directional

Describe the proper locations and methods for installing RF antennas
-Internal and external (to the AP) antennas
-Pole/mast mount
-Ceiling mount
-Wall mount