1 Network + Tom McLaughlin b-admin, mcse, mous, a+, net+ (mct, linux)

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Presentation transcript:

1 Network + Tom McLaughlin b-admin, mcse, mous, a+, net+ (mct, linux)

2 Networking Benefits Networking Enables: Information Sharing Hardware and Software Sharing Centralized Administration and Support

3 Roles of Computers in a Network Mail Server Database Server Database Fax Server File and Print Server Directory Services Server Client Computer File and Print Server Database Server Mail Server Fax Server Mail Server Database Server Database Fax Server File and Print Server

4 Types of Networks Peer-to-Peer Client-Server

5 Scope of Networks Local Area Network Wide Area Network

6 Bus Topology Terminator Segment

7 Star Topology Hub

8 Ring Topology

9 Mesh Topology

10 Hybrid Topologies Star-Bus Bus Star-Ring

11 Token Ring CharacteristicsCharacteristicsDescriptionDescription Access Method Token passing Transfer Speed 4 to 16 Mbps for all cable types Physical Ring Logical Ring MSAU

12 Network Cables Types of Cables Coaxial ThinNet ThickNet 10Base2, 10Base5 Fiber-Optics Twisted-Pair Unshielded (UTP) Shielded (STP) 10BaseT

13 Wireless Communication Devices Narrowband Radio Transmission Infrared Transmission

14 Routers Router

15 Gateways Ethernet Token Ring Gateway

16 Infrared Data Association (IrDA) Wireless Communication by Using IrDA Windows Client Mouse Laptop

17 IP Addresses IP Address Host ID Network ID

18 The Internet Client Connection Using TCP/IP Protocol Internet Server Text, Audio, Video, and Graphics Data

19 Internet Services Internet Electronic Mail ( ) World Wide Web (WWW) Chat Internet News File Transfer Protocol (FTP) Telnet

20 Uniform Resource Locator (URL) URL ( default.html) –Protocol used ( –DNS address (example.microsoft.com) –Path on the server (/tutorial/default.html)

21 Firewalls Firewalls LAN Internet Firewall Authorized User Unauthorized User

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