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| Author: | شريق فتحي الشافعي |
| Category: | Computer Applications [Edit] |
| Language: | Arabic |
| Publisher: | دار الكتب العلمية |
| ISBN: | 9772822048 |
| Release Date: | 01 Jan 2002 |
| Pages: | 263 |
| Rank: | 443,717 No 1 most popular |
| Short link: | Copy |
| More books like this book | |
إن شبكات الحاسب يمكن تصنيفها على نوعين أساسين وذلك بناءاً على حجم الشبكة والوظيفة التي تؤديها. فأول نوع منها يعرف بالشبكات المحلية LAN وهي اختصار للمصطلح Local Area Network وهي تعد وحدة البناء الأساسي لأي شبكة كمبيوتر وهي يمكن أن تكون بسيطة للغاية (تتألف من جهازين كمبيوتر متصلين بكابل أو يمكن أن تكون كبيرة الحجم (تتألف من مئات الأجهزة والمكونات المادية الأخرى) ولكنها في حدود جغرافية محدودة .على الجانب الآخر تقول أن النوع الثاني من الشبكات المتسعة WAN وهو اختصار للمصطلح Wide Area Network لا تتقيد بالحدود الجغرافية ويمكن القول بأن الشبكة المتسعة تتألف من عدد من الشبكات المحلية المتصلة معاً متفرقة في أنحاء العالم ويمكن اعتبار الانترنت شبكة متسعة . وهذا الكتاب يشرح الفرق بين النوعين وكيف يعمل كل نوع كما يعرض وسائل نقل البيانات عبر شبكات الحاسب الآلي ويتطرق إلى دراسة تفصيلية للهياكل المعمارية للأنواع المختلفة للشبكات.
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