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        <description>Dokumentace referenčního modelu ISO/OSI

 Referenční model ISO/OSI vypracovala organizace ISO jako hlavní část snahy o standardizaci
počítačových sítí nazvané OSI a v roce 1984 ho přijala jako mezinárodní normu ISO 7498.

 Kompletní text normy přijala také CCITT jako doporučení X.200. Referenční model ISO/OSI se 
používá jako názorný příklad řešení komunikace v počítačových a telekomunikačních sítích pomocí vrstevnatého modelu, kde jsou jednotlivé vrstvy nezávislé a snadno nahraditelné.…</description>
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        <description>[L1] Fyzická vrstva (přenosové médium)

je první vrstvou modelu, zajišťuje převod bitového proudu na elektrický signál, laserové záření nebo elektromagnetické vlnění.
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        <description>L7 - Aplikační Vrstva

----------

- Účelem vrstvy je poskytnout aplikacím přístup ke komunikačnímu systému a umožnit tak jejich spolupráci.
- Do aplikačních vrstev zasahuje software, se kterým pracuje přímo uživatel.

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📄 Popis

Tato vrstva zajišťuje přenos dat mezi koncovými uzly. Jejím účelem je poskytnout takovou kvalitu přenosu, jakou požadují vyšší vrstvy. Vrstva nabízí spojově (TCP) a nespojově orientované (UDP) protokoly.</description>
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