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Encapsulating Data

Application. Presentation. PDU. Session. Upper Layer Data. Segment. Transport. TCP Header. Upper Layer Data. Network. Packet. IP Header. Data. LLC Header. Data. Data Link. Frame. MAC Header. Data. Physical. FCS. FCS. Bits. 0101110101001000010. Encapsulating Data.

benedict-kirby
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Encapsulating Data

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  1. Application Presentation PDU Session Upper Layer Data Segment Transport TCP Header Upper Layer Data Network Packet IP Header Data LLC Header Data Data Link Frame MAC Header Data Physical FCS FCS Bits 0101110101001000010 Encapsulating Data 1

  2. Application Presentation Session Upper Layer Data Transport Upper Layer Data TCP Header Network TCP+ Upper Layer Data IP Header IP + TCP + Upper Layer Data Data Link LLC Header LLC Hdr + IP + TCP + Upper Layer Data MAC Header Physical 0101110101001000010 De-encapsulating Data 2

  3. 2장 문제 풀이 • Encapsulation-De-encapsulation의 의미 및 동작 원리 3

  4. 2장 문제 풀이 • Broadcast 트래픽을 차단하는 것을 묻는 문제 • Router 는 Broadcast 트래픽을 차단한다. • Broadcast 트래픽이 차단되면, Broadcating 되는 트래픽을 막아서Sniffing을 차단할 수 있다. 4

  5. 100BaseTX 10Base5 10BaseT 100BaseFX 62.5/125 micron multi-mode fiber EIA/TIA Cat 3, 4, 5 UTP 2 pair EIA/TIA Cat 5 UTP 2 pair 50-ohm coax (thick) Media Maximum Segment Length 500 meters 100 meters 100 meters 400 meters Bus Star Star Topology Point-to-Point Duplex media- interface connector (MIC) ST ISO 8877 (RJ-45) ISO 8877 (RJ-45) AUI Connector 2장 문제 풀이 5

  6. 2장 문제 풀이 6

  7. 2장 문제 풀이 • Lan 트래피과 Wan 트래픽의 비율 7

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