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الموضوع: الطبعة الرابعة من كتاب الدليل الرسمي لشهادة CWNA

  1. #1
    عضو برونزي الصورة الرمزية علي2060
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    Lightbulb الطبعة الرابعة من كتاب الدليل الرسمي لشهادة CWNA



    صدرت الطبعة الرابعة من كتاب الدليل الرسمي لشهادة CWNA مع تحديثات و إضافات ملخصها كالتالي - كما كتبها المؤلف -Tom Carpenter-:

    There have been quite a few questions here at the forum and even more in my inbox asking what's new in the fourth edition of the CWNA Official Study Guide. I took a few hours over the past couple of days to build the following list for you:

    Wireless Organizations: Still covers the FCC, IEEE and Wi-Fi Alliance, but also now covers IETF as it applies to WLANs, ITU-R, OfCom/ETSI, MIC/ARIB and ACMA for a more global perspective on wireless organizations.

    WWAN/WMAN: now given multiple paragraphs of treatment instead of just a single sentence mention.

    Hotspots: about twice the coverage with inclusion of the five common hotspot business models

    RF Funtamentals: now provides a brief introduction to early radio technologies and electromagnetic wave theory before jumping into radio frequency fundamentals and then covers the same basics. Uses analogies that can be experienced with the senses (sight, sound, etc.) in order to help you understand the concepts

    Link Bugget/SOM: Instead of referencing them as if they were the same, the text now specifies that the SOM is the result of the Link Budget calculations. Plenty of detail on how a Link Budget is performed.

    MSDU/MPDU: Provides an overview of the communications at Layer 1 and Layer 2 by detailing the exchange that involves MSDUs, MPDUs, PSDUs and PPDUs.

    WLAN Design Models: While the previous version covered PtP and PtMP, the fourth edition covers these plus single MAC, split MAC, mesh and other design model concepts.

    Site Surveys: The same basic information is provided, but the new book also coveres requirements analysis, constraints analysis and objectives development from a WLAN project management perspective. Newer site survey tools are also covered and the different types (automated, assisted, virtual, manual, etc.) are reviewed.

    VoIP: this topic is addressed more than in the previous version, but still is not at the level of CWNE as it's not required for the CWNA exam

    Security: more focus on pre-RSNA versus RSNA and security myths related to WLANs are also covered

    Troubleshooting: methodologies are provided to help you become a fine tuned troubleshooter.

    Guided tours: This new component of the book takes you on brief tours of site survey tools, a WLAN switch, an AP, a residential gateway, a client device and a protocol analyzer.

    The current version of the CWNP Rosetta Stone is kindly included in the book so you won't have to print off a second reference (though this post will age and I would encourage you to check for newer versions of the Rosetta Stone document).

    We attempted to ensure that the Rosetta Stone was followed throughout the book and we tried to make the transition as painless as possible for those of you working in the industry for awhile. For example, early in the book, we remind you that OFDM is the new way to say 802.11a and ERP is the new way to say 802.11g. Eventually, the book ceases this redundancy, but the transition should be a little easier with this.

    Overall, the book is a complete rewrite. It is not an update to the previous version. There are many new perspectives and explanatory methods and I hope you find it and this summary of changes helpful.

    Blessings on your certification journey.
    [B][COLOR="blue"][CENTER]تكلم وأنت غاضب .. فستقول أعظم حديث تندم عليه طوال حياتك[/CENTER][/COLOR][/B]

  2. #2
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    رد: الطبعة الرابعة من كتاب الدليل الرسمي لشهادة CWNA



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