CCNA Discovery 1 - Chapter 4

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CCNA Discovery 1 - Chapter 4

  1. 1. Connecting to the Internet Through an ISP Networking for Home and Small Businesses – Chapter 4Version 4.0 © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 1
  2. 2. Objectives Explain “what is the Internet?” and how we connect to the Internet using an Internet Service Provider (ISP). Explain how information is sent across the Internet through an ISP. Describe and identify the components of an ISP Network Operations Center. Identify the different types of cables and connectors for connecting the devices in a Network Operations Center. Construct and terminate twisted pair cables and determine type of cable needed © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 2
  3. 3. The Internet and How We Connect to It Usingan ISP Explain what the Internet is © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 3
  4. 4. The Internet and How We Connect to It Usingan ISP Define an Internet Service Provider and its purpose © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 4
  5. 5. The Internet and How We Connect to It Usingan ISP Describe how you connect to the Internet through the ISP and the ISP’s relationship to the Internet © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 5
  6. 6. The Internet and How We Connect to It Usingan ISP Identify and describe the different connection options that ISPs can provide © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 6
  7. 7. The Internet and How We Connect to It Usingan ISP Identify and describe the levels of service offered by an ISP © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 7
  8. 8. How Information is Sent When Using an ISP Define and explain that the most important protocol of the Internet is the Internet Protocol (IP). © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 8
  9. 9. How Information is Sent When Using an ISP The IP Packet © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 9
  10. 10. How Information is Sent When Using an ISP Explain how the ISP NOC handles packets from your home network © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 10
  11. 11. How Information is Sent When Using an ISP Describe how the ISP forwards packets across the Internet © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 11
  12. 12. The Internet Cloud Identify and describe the concept of the Internet cloud. © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 12
  13. 13. Components of an ISP Network OperationsCenter Identify and describe the network devices used in a NOC within the Internet cloud © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 13
  14. 14. Components of an ISP Network OperationsCenter Physical requirements of a home network versus an ISP © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 14
  15. 15. Types of Cables and Connectors Used inNetworking Identify and describe common types of cables © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 15
  16. 16. Types of Cables and Connectors Used inNetworking Describe twisted pair cables, common terminations, and when they are used © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 16
  17. 17. Types of Cables and Connectors Used inNetworking Describe Coax cable, common terminations, and when they are used © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 17
  18. 18. Types of Cables and Connectors Used inNetworking Describe optical fiber cables, common terminations, and when they are used © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 18
  19. 19. Construct and Terminate Twisted Pair Cables Define cable standards and state their purpose © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 19
  20. 20. Construct and Terminate Twisted Pair Cables Identify and describe the cross-over and straight through cable pinouts and color codes © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 20
  21. 21. Construct and Terminate Twisted Pair Cables Describe how to terminate UTP cables © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 21
  22. 22. Construct and Terminate Twisted Pair Cables Describe how to punch down wires to patch panel and wall jacks. © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 22
  23. 23. Construct and Terminate Twisted Pair Cables Describe how to test cable termination and functionality (Cable testing). © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 23
  24. 24. Construct and Terminate Twisted Pair Cables Define Attenuation Define Crosstalk © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 24
  25. 25. Construct and Terminate Twisted Pair Cables Describe cabling best practices © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 25
  26. 26. Summary The Internet is a worldwide collection of computer networks, accessed through ISPs. Internet Protocol (IP) controls the structure and addressing of data packets for transport through the Internet cloud. ISP Network Operations Centers (NOCs) utilize high-end, high- speed devices with redundancy. Home networks feature multi-function devices which perform switching and routing. Networks use physical cabling media which must conform to standards in construction and termination. Cabling best practices are designed to reduce attenuation and crosstalk. © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 26
  27. 27. © 2007 Cisco Systems, Inc. All rights reserved. Cisco Public 27

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