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Introduction to WLAN Analysis
Learn the core differences between wired and wireless LANs -- not just that one has wires and the other doesn't. Understand what a WLAN analysis is, the different types of analysis you can do, and what WLAN analysis tools are available.
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00:23:53 |
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The Original 802.11 Standard
Understand the original 802.11 standard. Fundamental terminology is defined including STA, BSS, IBSS, ES, and DS. This video also explores wireless 802.11 services and interactions between the distribution service components.
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00:23:47 |
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802.11 MAC Fundamentals (part 1)
This nugget continues with a deeper discussion of the 802.11 distribution services and the roaming process. You'll learn about the 802.11 media access control (MAC) layer -- as well as the scanning and synchronization services of 802.11.
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00:31:26 |
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802.11 MAC Fundamentals (part 2)
Understand frame transmission access timing mechanisms. Plus learn the two main forms of transmission medium access: Distributed Coordination Function (DCF) and Point Coordination Function (PCF).
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00:39:37 |
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802.11 Frame Format (part 1)
Break down the basic MAC header to understand it from the bottom up. Plus you'll explore the frame control field, 802.11 frame types, and frame subtypes in detail.
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00:26:40 |
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802.11 Frame Format (part 2)
This video explains the frame address fields, the sequence control fields, the frame body field, and the frame check sequence (FCS) trailer.
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00:18:50 |
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Management Frames (part 1)
Define 802.11 management frames: the association request and association response; the reassociation request and reassociation response; the probe request and probe response; the beacon frame; the ATIM frames; and the authentication and deauthentication frames.
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00:18:19 |
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Management Frames (part 2)
Learn the frame body fields and elements of the 802.11 management frame. Understand these fields and elements: the Association ID (AID) field, the authentication algorithm number field, the authentication transaction sequence number field, the beacon interval field, the capability information field, and the current AP address field.
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00:27:05 |
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Control and Data Frames
This video nugget examines the 802.11 control frames and the two main types of data frames which include data carriers and non-data carriers.
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00:19:11 |
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Protocol Analyzers
Understand how wireless LAN analyzers work by going in-depth with the WildPackets AiroPeek tool. Go through installation and configuration plus explore the features it offers -- especially capturing, filtering, and analysis of samples, and decoding the results.
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00:34:37 |
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802.11i Security Enhancements
802.11i is the next-generation security standard for 802.11 WLANs. Learn all about 802.11i and the Robust Security Network Association (RSNA) standard. This includes Authentication and Key management Protocol (AKMP), Temporal Key Integrity Protocol (TKIP), and Advanced Encryption Standard (AES) CCMP implementation (Counter Mode with Cipher Block Chaining Message Authentication Code Protocol).
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00:41:14 |
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802.11e QoS Enhancements
Quality of Service (QoS) ensures a critical level of performance for network-enabled applications -- 802.11e is all about applying QoS to wireless. Learn 802.11e frame formats, optional features, and QoS enhancements.
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00:41:00 |
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802.11h DFS and TPC
What harmful effects can WLANs have when they're in range of civil and military radar? This video covers the concepts of Transmit Power Control (TPC) and Spectrum Management -- also known as Dynamic Frequency Selection (DFS) -- so you can keep from causing unwanted and potentially dangerous interference.
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00:28:35 |
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802.11g Higher Data Rates
802.11b and 802.11g are the most widely known wireless standards -- understand how the upgrade from 802.11b to 802.11g increased data transfer rates to as much as 54 Mbps. Also understand the different 802.11g modes of operation as well as PPDU formatting.
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00:12:41 |
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802.11n Higher Data Rates
802.11n is the next-generation standard for high speed WLAN implementations. This nugget explores the main factors driving the technology and the three main technologies of 802.11n: Channel Bonding, High-Order Modulation, and Multiple-Input Multiple-Output (MIMO)
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00:15:35 |
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802.11d and 802.11j Operation
Different regulations around the world have led to two important wireless standards: 802.11d and 802.11j. These offer variable performance based on information in the country field and country information elements. Learn all about the "global harmonization" 802.11d standard plus 802.11j for Japanese wireless networks.
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00:18:26 |
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802.11F IAPP
The 802.11F Inter-Access Point Protocol (IAPP) sets the standard for how wireless access points communicate with each other when client machines roam between their coverage areas. This is particularly important in multi-vendor systems. Understand IAPP including the features it provides, the future goals, and the features it fails to provide -- as well as vendor-specific alternatives already in use.
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00:10:23 |
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802.11 Physical Layers
What does the Physical (PHY) layer look like on a wireless network? This video covers physical layer architecture plus physical layer operations. The PLCP and PMD PHY sub layers are explored as well as the CS/CCA carrier sense function. The Physical aspects of direct-sequence spread spectrum (DSSS PHY) and Frequency Hopping Spread Spectrum (FHSS PHY) are covered in detail.
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00:26:05 |
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802.11 Physical Extensions
This video nugget explores the physical mechanisms for two extensions to the original 802.11 standard including 802.11a Orthogonal Frequency-Division Multiplexing (OFDM PHY) and 802.11b 2.4 GHz HR/DSSS PHY.
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00:29:59 |
