Network Tom Mc Laughlin badmin mcse mous a

Network + Tom Mc. Laughlin b-admin, mcse, mous, a+, net+ (mct, linux) tom@tomax 7. com http: //www. tomax 7. com 1

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

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

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

Scope of Networks Local Area Network Wide Area Network 5

Bus Topology Segment Terminato r http: //homepages. uel. ac. uk/u 0116771/bus_topology. htm 6

Star Topology Hub http: //www. computerhope. com/jargon/s/startopo. htm 7

Ring Topology http: //www. computerhope. com/jargon/r/ringtopo. htm 8

Mesh Topology http: //www. computerhope. com/jargon/m/mesh. htm 9

Hybrid Topologies Star-Bus Star-Ring http: //en. wikipedia. org/wiki/Network_topology#Hybrids 10

Token Ring Physical Ring MSAU Characteristics Logical Ring Description Access Method Token passing Transfer Speed 4 to 16 Mbps for all cable types http: //www. webopedia. com/TERM/T/token_ring_network. html 11

Network Cables Types of Cables Twisted-Pair 10 Base. T Unshielded (UTP) Shielded (STP) Coaxial 10 Base 2, Thin. Net 10 Base 5 Thick. Net Fiber-Optics 12

Wireless Communication Devices Infrared Transmission Narrowband Radio Transmission http: //searchnetworking. techtarget. com/definition/infrared-transmission 13

Routers Router http: //www. computerhope. com/jargon/r/router. htm 14

Gateways Ethernet Gateway Token Ring http: //en. wikipedia. org/wiki/Gateway 15

Infrared Data Association (Ir. DA) Wireless Communication by Using Ir. DA Window s Client Lapto p Mous e 16

IP Addresses 192. 168. 2. 100 192. 168. 3. 100 IP Address 192. 168. 1. 100 192. 168. 1. 0 192. 168. 2. 0 192. 168. 3. 0 Network ID 192. 168. 1. 100 192. 168. 2. 101 Host ID 17

The Internet Server Internet Text, Audio, Video, and Graphics Data Connection Using TCP/IP Protocol Client http: //en. wikipedia. org/wiki/Internet 18

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

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

Firewalls Authorized User LAN Internet LAN Firewall LAN Unauthoriz ed User http: //en. wikipedia. org/wiki/Firewall_%28 computing%29 21