© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public ITE PC v4.0 Chapter 1 1 Connecting to the Network Networking for Home and Small Businesses – Chapter 3

ITE PC v4.0 Chapter 1 2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Objectives  Explain the concept of networking and the benefits of networks.  Explain the concept of communication protocols.  Explain how communication occurs across a local Ethernet network.  Describe Access layer devices and communication methods on a local Ethernet network.  Describe Distribution layer devices and communication methods across networks.  Plan, implement, and verify a local network.

ITE PC v4.0 Chapter 1 3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking and Its Benefits  Define the term network and identify various types of networks

ITE PC v4.0 Chapter 1 4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking and Its Benefits  Describe the benefits of computer networking and list examples of small, medium and large networks

ITE PC v4.0 Chapter 1 5 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking and Its Benefits  Define the components of an Information network

ITE PC v4.0 Chapter 1 6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking and Its Benefits  Describe the Roles of computers on a network  Clients and servers

ITE PC v4.0 Chapter 1 7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Networking and Its Benefits  Build computer peer-to-peer network and verify

ITE PC v4.0 Chapter 1 8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Topologies  Differentiate between logical and physical topologies, and explain how networks are represented graphically

ITE PC v4.0 Chapter 1 9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain the concept of communication in terms of source, destination and channel

ITE PC v4.0 Chapter 1 10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain the need for rules and protocols in order for communication to occur

ITE PC v4.0 Chapter 1 11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain the concept of encoding in relation to human communication

ITE PC v4.0 Chapter 1 12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain the concept of message formatting and encapsulation

ITE PC v4.0 Chapter 1 13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain that messages have size restrictions depending on the channel used

ITE PC v4.0 Chapter 1 14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain the concept of timing and access methods in relation to human communication

ITE PC v4.0 Chapter 1 15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Explain standard message patterns in relation to human communication Unicast Multicast Broadcast

ITE PC v4.0 Chapter 1 16 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Protocols  Relate human communications concepts of messages, unit sizes, timing, encapsulation, encoding and standard message patterns to the term “protocol”.

ITE PC v4.0 Chapter 1 17 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Explain that Devices on a local network must share common protocols to communicate (Communicating by the Rules)

ITE PC v4.0 Chapter 1 18 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Identify the importance of standardization in computer communication protocols

ITE PC v4.0 Chapter 1 19 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Physical addressing identifies Source, Destination and Channel on an Ethernet Network

ITE PC v4.0 Chapter 1 20 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Describe some of the basic characteristics of Ethernet for communicating across the channel

ITE PC v4.0 Chapter 1 21 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Describe the need for a hierarchical design in an Ethernet Network

ITE PC v4.0 Chapter 1 22 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Communication Across a Local Ethernet Network  Explain the purpose of a logical network address as the location of a host on a Network (source and destination)

ITE PC v4.0 Chapter 1 23 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Access Layer Devices and Communication Methods  Describe the Purpose of the Access Layer and how it is used within an Ethernet Network

ITE PC v4.0 Chapter 1 24 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Access Layer Devices and Communication Methods  Describe the function of a Hub and how it operates within an Ethernet Network

ITE PC v4.0 Chapter 1 25 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Access Layer Devices and Communication Methods  Describe the function of switches and how they are used in an Ethernet network

ITE PC v4.0 Chapter 1 26 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Access Layer Devices and Communication Methods  Broadcast Domains and broadcasts using hubs and switches

ITE PC v4.0 Chapter 1 27 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Describe the reasons for expanding your network with a distribution layer

ITE PC v4.0 Chapter 1 28 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Describe the function of routers and how they are used in the network

ITE PC v4.0 Chapter 1 29 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Explain the concept of the default gateway

ITE PC v4.0 Chapter 1 30 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Describe how the router keeps tract of multiple networks using routing and ARP tables

ITE PC v4.0 Chapter 1 31 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Define the term “local area network (LAN)”

ITE PC v4.0 Chapter 1 32 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Differentiate between implications of adding hosts to “My local network” vs. adding to a “remote network”

ITE PC v4.0 Chapter 1 33 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Distribution Layer Devices and Communication Methods  Learn to Use Packet Tracer

ITE PC v4.0 Chapter 1 34 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Plan, Implement and Verify a Local Network  Plan and document the building of a small home or small business Ethernet network

ITE PC v4.0 Chapter 1 35 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Plan, Implement and Verify a Local Network  Build a virtual model of their small home or small business network

ITE PC v4.0 Chapter 1 36 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Plan, Implement and Verify a Local Network  Describe the features of multifunction devices and how they are used in the network

ITE PC v4.0 Chapter 1 37 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Plan, Implement and Verify a Local Network  Connect and properly document the network installation

ITE PC v4.0 Chapter 1 38 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Plan, Implement and Verify a Local Network  Perform simple workgroup tasks in order to share resources

ITE PC v4.0 Chapter 1 39 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Summary  Information networks carry data using hosts as clients, servers, or both.  All computer communication involves a source, destination, and channel.  Rules called protocols govern computer communications.  Larger networks are divided into smaller, more manageable ones using a layered hierarchical design.  Each network host needs both a physical MAC address and a logical IP address.  Good network design requires a network plan.

ITE PC v4.0 Chapter 1 40 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public