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Kapitel 4

Kapitel 4. Netzzugang. Kapitel 4: Lernziele. Students will be able to: Explain how physical layer protocols and services support communications across data networks. Build a simple network using the appropriate cable.

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Kapitel 4

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  1. Kapitel 4 Netzzugang W. Schulte

  2. Kapitel 4: Lernziele Students will be able to: Explain how physical layer protocols and services support communications across data networks. Build a simple network using the appropriate cable. Explain the role of the data link layer in supporting communications across data networks. Compare media access control techniques and logical topologies used in networks. W. Schulte

  3. Kapitel 4 • 4.1 Physical Layer Protocols • 4.2 Network Media • 4.3 Data Link Layer Protocols • 4.4 Media Access Control • 4.5 Summary W. Schulte

  4. 4.1 Getting it ConnectedConnecting to the Network W. Schulte

  5. Getting it ConnectedConnecting to the Network W. Schulte

  6. Getting it ConnectedNetwork Interface Cards Connecting to the Wireless LAN with a Range Extender W. Schulte

  7. Purpose of the Physical LayerThe Physical Layer W. Schulte

  8. Purpose of the Physical LayerPhysical Layer Media W. Schulte

  9. 0 1 1 0 0 1 Line Codes Takt Binary (NRZ) Return to Zero Manchester - Logische Eins durch Transition von der unteren zur oberen Amplitude. Die Null wird invertiert. Polaritäts- orientiert. Eine oder zwei Transition pro Bitzeit - Benutzung bei CSMA/CD Differential Manchester - Polaritätsunabhängig - Keine Transition wenn Eins folgt, Transition bei Null - Benutzung bei Tokenzugriffsmethode W. Schulte

  10. Purpose of the Physical LayerPhysical Layer Standards W. Schulte

  11. Fundamental Principles of Layer 1Physical Layer Fundamental Principles W. Schulte

  12. Fundamental Principles of Layer 1Bandwidth Bandbreite W. Schulte

  13. Fundamental Principles of Layer 1Throughput W. Schulte

  14. Fundamental Principles of Layer 1Types of Physical Media W. Schulte

  15. 4.2 Network MediaCopper Cabling W. Schulte

  16. Copper CablingCharacteristics of Copper Media W. Schulte

  17. Copper CablingCopper Media Unshielded Twisted Pair (UTP) cable Shielded Twisted Pair (STP) cable Coaxial cable W. Schulte

  18. Copper CablingUnshielded Twisted-Pair (UTP) Cable W. Schulte

  19. Copper CablingShielded Twisted-Pair (STP) Cable Braided or Foil Shield Foil Shields W. Schulte

  20. Copper CablingCoaxial Cable W. Schulte

  21. Copper CablingCooper Media Safety W. Schulte

  22. UTP CablingProperties of UTP Cabling W. Schulte

  23. UTP CablingUTP Cabling Standards W. Schulte

  24. UTP CablingUTP Connectors W. Schulte

  25. UTP CablingTypes of UTP Cable W. Schulte

  26. UTP CablingTesting UTP Cables W. Schulte

  27. Fiber Optic CablingProperties of Fiber Optic Cabling W. Schulte

  28. Fiber Optic CablingFiber Media Cable Design W. Schulte

  29. Fiber Optic CablingTypes of Fiber Media W. Schulte

  30. Fiber Optic CablingNetwork Fiber Connectors W. Schulte

  31. Fiber Optic CablingTesting Fiber Cables W. Schulte

  32. Fiber Optic CablingFiber versus Copper W. Schulte

  33. Wireless MediaProperties of Wireless Media W. Schulte

  34. Wireless MediaProperties of Wireless Media W. Schulte

  35. Wireless MediaTypes of Wireless Media W. Schulte

  36. Wireless MediaWireless LAN Cisco Linksys EA6500 802.11ac wireless router W. Schulte

  37. Wireless Media802.11 Wi-Fi Standards Packet Tracer 4.2.4.5 W. Schulte

  38. Anschlüsse W. Schulte

  39. WAN Schnittstellen-Standards Standard: EIA/TIA 232 (RS 232) Stecker: 25-Pin Geschwindigkeit: 64 kBit/s Standard: EIA/TIA 449 (RS 449) Stecker: 37-Pin D-Sub Geschwindigkeit: 2 MBit/s Standard: V.35 Stecker: 34 Pin Geschwindigkeit: 2 MBit/s W. Schulte

  40. WAN Schnittstellen-Standards • Standard: X.21 • Stecker: DB 15 ISO 4903 • Geschwindigkeit: 64 kBit/s • Standard: EIA 530 oder RS 422/423 Ersatz für EIA 449 • Stecker: D 25 (male only) • Geschwindigkeit: 2 MBit/s W. Schulte

  41. 4.3 Purpose of the Data Link LayerThe Data Link Layer W. Schulte

  42. Purpose of the Data Link LayerData Link Sublayers 802.3 Ethernet 802.11 Wi-Fi 802.15 Bluetooth W. Schulte

  43. Purpose of the Data Link LayerMedia Access Control W. Schulte

  44. Purpose of the Data Link LayerProviding Access to Media W. Schulte

  45. Data Link LayerLayer 2 Frame Structure W. Schulte

  46. Layer 2 Frame StructureCreating a Frame W. Schulte

  47. Data Link LayerLayer 2 Standards W. Schulte

  48. Layer 2 StandardsData Link Layer Standards W. Schulte

  49. 4.4 TopologiesControlling Access to the Media W. Schulte

  50. TopologiesPhysical and Logical Topologies W. Schulte

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