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ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
ccna1_v5_capitulo1
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ccna1_v5_capitulo1

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Capítulo1 CCNA1

Capítulo1 CCNA1

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  • 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
  • 21. LANs, WANs, and Internets Internet Access Technologies Presentation_ID © 2008 Cisco Systems, Inc. All rights reserved. Cisco Confidential 21

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