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Networking: Certified Wireless Network Administrator Wi Fi
Engineering CWNA
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Overview
This new market-leading course from us delivers the best in Wireless LAN training, combining the benefits of: • Certified Wireless Network Administrator (CWNA) training
• Preparation for CWNA certification
• Training in Cisco Wireless LAN Fundamentals
• Training on Cisco Aironet Autonomous Wireless products • Training on Cisco Unified Wireless products
• Preparation for CWLF-related Cisco Wireless exams • Training in Advanced Site Survey tools and techniques • Hands-on with AirMagnet Surveyor
• Hands-on with Ekahau Site Survey
This latest-edition course provides a comprehensive hands-on practical coverage of IEEE 802.11 WLAN technologies. The course provides expert guidance on Wireless LAN site survey, product selection, equipment installation, wireless network configuration, support, WLAN site survey, wireless LAN security and troubleshooting.
The course combines the lecture modules and hands-on lab exercises from the Certrified Wireless Network Administrator (CWNA) course with additional material, lecture modules and labs which cover the Cisco Aironet Wireless LANs and Wireless Site Survey curriculum (including Aironet Wireless LAN Fundamentals [AWLF] plus Cisco Aironet Wireless Site Survey [CAWS]). Delegates learn about the latest innovations and developments across the complete range of wireless LAN industry vendors.
Audience
• IT professionals and network engineers responsible for designing, installing or supporting Enterprise-grade 802.11 (Wi-Fi) Wireless networks.
• Technical staff responsible for performing wireless site surveys or Cisco WLAN implementations. • IT professionals wanting to progress into the rapidly-expanding wireless network sector.
• IT staff responsible for wireless network security.
Skills Gained
• Understand and apply the essential concepts of Radio Frequency (RF) technology, including RF planning, RF-related calculations 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.
• Correctly install, configure and support wireless NICs, access points, wireless bridges, workgroup bridges, wireless gateways and WLAN antennas from Cisco Systems, Proxim Inc, Orinoco, Colubris Networks and more.
• Analyse and troubleshoot WLAN problems in-depth, including RF coverage, multipath, hidden nodes and interference problems
• Work with sophisticated WLAN diagnostic tools such as AirMagnet and WildPackets AiroPeek NX. • Perform a 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 WEP and Wi-Fi Protected Access (WPA). • Secure wireless LANs using Cisco EAP authentication methods.
• Conduct essential security surveys to assess the presence and vulnerabilities of WLANs. • Install and configure the following Cisco Aironet products:
◦ Cisco Aironet 1250 series 802.11n Access Points
◦ Cisco Aironet 1230 and 1240 series 802.11abg Access Points ◦ Atheros 802.11n Wireless LAN Adapters
◦ Cisco Aironet 802.11abg Wireless LAN Adapters and the Aironet Desktop Utility (ADU)
• Configure Cisco Secure Access Control Server (ACS) for Windows, to support wireless network authentication. • Configure Cisco LEAP and Cisco FAST wireless authentication.
Prerequisites
Prior to joining the course, students should have a good understanding of Ethernet LANs and their operation, TCP/IP protocols, IP addressing and practical experience with Microsoft Windows 2000 or Windows XP.
Course Outline
Introduction to 802.11 WLANs
• Discuss the standards organisations 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 and coding schemes (MCS) used for 802.11 communications • How channels and bandwidth are related to each other in wireless networks • Types of Spread Spectrum used in wireless networking
RF Power Output Regulations
• Understand how power output limitations are enforced by the FCC for Point-to-Multipoint (PtMP) and Point-to-Point (PtP) wireless connections
Cisco WLAN Products
• Wireless LAN Access Points, Bridges, and Accessories • WLAN Clients
• WLAN Controllers and Routers • Network Management
• Access Point Enterprise-Class Features
Cisco Wireless Clients and Supplicants
• Installing and Configuring Aironet Desktop Utility • Installing and Configuring Cisco Secure Services Client • Stand-Alone Access Point Administration
• The Stand-Alone Solution
• Setting up Stand-Alone Access Point Hardware • Configuring the Stand-Alone Access Point • Managing the Stand-Alone Access Point
• Configuring the Stand-Alone Access Points for Security • CiscoWorks WLAN Solution Engine
Wireless Bridges
• Implementing Wireless Stand-Alone Bridges • Choosing Roles in Radio Network
• Determining Bridge Path Information
• Setting Up and Configuring the Cisco Stand-Alone Bridge
Power over Ethernet
• Recognise the two types of devices used in Power over Ethernet (PoE)
• Recognise 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 maximise the efficiency of Power over Ethernet • Understand the two standards currently available for PoE
• Powering 802.11n APs
Basic WLAN Analysis
• Protocol Analysis • 802.11 Frame Types • Data Frames • Control Frames • Management Frames • Protection Mechanisms
• Legacy Power Saving operations • Transmission Rates
• Differences between CSMA/CD and CSMA/CA • Distributed Coordination Function (DCF) • Network Allocation Vector (NAV) • Clear Channel Assessment (CCA) • Interframe Spacing (IFS)
• Contention Window (CW)
• Quality of Service in 802.11 WLANs • Point Coordination Function (PCF) • Hybrid Coordination Function (HCF)
RF Math and System Operating Margin
• RF units of measure • Basic RF mathematics • RF signal measurements • Understand link budgets
802.11 Service Sets
• Three types of service sets defined for use within 802.11 WLANs • 802.11 authentication and association
• 802.11 network infrastructure • Roaming within a WLAN
• Load-balancing as a method to improve congestion in WLANs
The 802.11n Amendment
• Challenges addressed by 802.11n • 802.11n PHY/MAC layer enhancements • MIMO and SISO systems
• 802.11n coexistence mechanisms
• 802.11n integration and deployment considerations • 802.11n site surveying and analysis
Cisco Unified WLAN Administration
• Cisco Controller-Based Products and Configuration • Roaming Concepts
• Configuring a WLAN Controller • Configuring Secure Authentication • Cisco Wireless Control System
Wireless LAN Operation
• WLAN Hardware Devices • WLAN Software
• Architecture Types and Evolution
• Ad Hoc & Infrastructure Connectivity Operation • AP Modes
• WLAN Controller Deployments • WLAN Profiles
• Multichannel Architecture (MCA) • Single Channel Architecture (SCA) • WLAN Management Systems (WNMS)
WLAN Security
• The Importance of WLAN Security • Security Policy
• Legacy WLAN Security Mechanisms • Modern WLAN Security Mechanisms • Baseline WLAN Security Practices
Understanding WLAN Antennas
• Types of antennas and antenna systems commonly used in 802.11 WLANs • Antenna Polarisation and Gain
• Antenna implementation and safety
• Types of antenna cables, connectors, and other accessories
Understanding Wireless Site Survey
• Defining an RF site survey • Spectrum Analysis • Types of RF site surveys • Manual RF site surveys • Predictive Modeling • Dense AP deployments
Site Survey Tools, Preparation and Techniques
• Site Survey Tools
• Using Site Survey Utilities
• Determining the Deployment Requirements for a Site Survey • Performing a Site Survey
• Gathering the Deployment Requirements for a Voice Site Survey
Conducting Wireless Site Surveys
• Surveying with AirMagnet Surveyor • Surveying with with Ekahau Site Survey • Other WLAN Management Tools
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