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Lecture Introduction to Networks - Chapter 1: Exploring the Network

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In chapter 1 students will be able to: Explain how multiple networks are used in everyday life, explain the topologies and devices used in a small to medium-sized business network, explain the basic characteristics of a network that supports communication in a small to medium-sized business,...

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Nội dung Text: Lecture Introduction to Networks - Chapter 1: Exploring the Network

  1. Chapter 1: Exploring the Network Introduction to Networks Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 1
  2. Chapter 1: Objectives Students will be able to:  Explain how multiple networks are used in everyday life.  Explain the topologies and devices used in a small to medium-sized business network.  Explain the basic characteristics of a network that supports communication in a small to medium-sized business.  Explain trends in networking that will affect the use of networks in small to medium-sized businesses. Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 2
  3. Chapter 1 1.1 Globally Connected 1.2 LANs, WANs, and the Internet 1.3 The Network as a Platform 1.4 The Changing Network Environment 1.5 Summary Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 3
  4. Networking Today Networks in Our Past and Daily Lives Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 4
  5. Networking Today The Global Community Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 5
  6. Interconnecting our Lives Networking impacts in our daily lives  Networks Support the Way We Learn  Networks Support the Way We Communicate  Networks Support the Way We Work  Networks Support the Way We Play Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 6
  7. Providing Resources in a Network Networks of Many Sizes Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 7
  8. Providing Resources in a Network Clients and Servers Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 8
  9. Providing Resources in a Network Peer-to-Peer Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 9
  10. LANs, WANs, and Internets Components of a Network There are three categories of network components:  Devices  Media  Services Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 10
  11. Components of a Network End Devices Some examples of end devices are:  Computers (work stations, laptops, file servers, web servers)  Network printers  VoIP phones  TelePresence endpoint  Security cameras  Mobile handheld devices (such as smartphones, tablets, PDAs, and wireless debit / credit card readers and barcode scanners) Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 11
  12. Components of a Network Network Infrastructure Devices Examples of intermediary network devices are:  Network Access Devices (switches, and wireless access points)  Internetworking Devices (routers)  Security Devices (firewalls) Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 12
  13. Components of a Network Network Media Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 13
  14. Components of a Network Network Representations Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 14
  15. Components of a Network Topology Diagrams Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 15
  16. LANs and WANs Types of Networks The two most common types of network infrastructures are:  Local Area Network (LAN)  Wide Area Network (WAN). Other types of networks include:  Metropolitan Area Network (MAN)  Wireless LAN (WLAN)  Storage Area Network (SAN) Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 16
  17. LANs and WANs Local Area Networks (LAN) Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 17
  18. LANs and WANs Wide Area Networks (WAN) Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 18
  19. LANs, WANs, and Internets The Internet Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 19
  20. The Internet Intranet and Extranet Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 20
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