e-business and Information Systems Computer Networks Local Area Network (LAN) Intranet Internet Extranet 3/5/2002 e-business and Information Systems
e-business and Information Systems Local Area Network Two or more computers Connected cable hub/switch Small physical area home office small group of buildings school airport 3/5/2002 e-business and Information Systems
e-business and Information Systems Networking Devices cable hub switch network interface card (NIC) wireless bluetooth (30 feet) WiFi (300 feet) WiMax (30 miles) 3/5/2002 e-business and Information Systems
e-business and Information Systems Cables Coaxial cable Ethernet cable 3/5/2002 e-business and Information Systems
e-business and Information Systems Coaxial Cable cable TV 3/5/2002 e-business and Information Systems
e-business and Information Systems Ethernet Cable 4 twisted pairs 8 pins plug 3/5/2002 e-business and Information Systems
e-business and Information Systems Hub/Switch Ports 3/5/2002 e-business and Information Systems
Computer Networking Topologies Bus topology Ring topology Star topology Tree topology 3/5/2002 e-business and Information Systems
e-business and Information Systems Bus Topology common backbone interface connector broadcast message 3/5/2002 e-business and Information Systems
e-business and Information Systems Ring Topology exactly two neighbors same direction 3/5/2002 e-business and Information Systems
e-business and Information Systems Star Topology central connection hub/switch 3/5/2002 e-business and Information Systems
e-business and Information Systems Tree Topology Bus topology Star topology 3/5/2002 e-business and Information Systems
e-business and Information Systems Internetworking Two or more networks heterogeneous different configurations router two or more NIC gateways Hop router 3/5/2002 e-business and Information Systems
e-business and Information Systems Extranet private network internet protocol Virtual Private Network (VPN) 3/5/2002 e-business and Information Systems
Communication Protocol TCP/IP MAC (Media Access Control) address 64-bit NIC assigned by manufacturer stored in ROM or firmware usually includes manufacturer's registered ID 3/5/2002 e-business and Information Systems
Computer Network Configuration Terminologies Host IP Gateway IP Subnet Mask Network Related Commands (DOS/Windows) ipconfig ping nslookup tracert 3/5/2002 e-business and Information Systems
e-business and Information Systems Local Area Network Unique host IP address 192.65.43.x Same gateway IP address 192.65.43.1 Same network subnet mask 255.255.255.0 3/5/2002 e-business and Information Systems
LAN Segment A Configuration node 1 IP: 192.65.43.2 node 2 IP: 192.65.43.3 node 3 IP: 192.65.43.4 gateway IP: 192.65.43.1 subnet mask: 255.255.255.0 3/5/2002 e-business and Information Systems
LAN Segment B Configuration node 1 IP: 161.52.35.5 node 2 IP: 161.52.35.4 node 3 IP: 161.52.35.6 gateway IP: 161.52.35.1 subnet mask: 255.255.255.0 3/5/2002 e-business and Information Systems
Internetworking Example 3/5/2002 e-business and Information Systems
e-business and Information Systems Packets Hop at router from one gateway to another gateway 3/5/2002 e-business and Information Systems
Computer Network Management Commands Network Related Commands (DOS/Windows) ipconfig ping nslookup tracert 3/5/2002 e-business and Information Systems
Intranet, Internet, and Extranet 3/5/2002 e-business and Information Systems