Guinea-Bissau speaker is sworn in
Guinea-Bissau's parliament has elected the speaker as the West African state's interim leader, a day after the president was assassinated. Raimundo Pereira must organise a fresh presidential election within 60...
Network WAN Connections
Three options for connecting over a telephone service: Dial-up connections. Integrated Services Digital Network(ISDN) - A method of sending voice and data information on a digital phone line. Basic ISDN...
Network Hardware Cabling
This section may be skipped by those more interested on the software aspects of networking or those learning networking, but all readers should at some time be aware of the...
Internet Control Message Protocol
Internet Control Message Protocol (ICMP) defined by RFC 792 and RFC 1122 is used for network error reporting and generating messages that require attention. The errors reported by ICMP are...
User Datagram Protocol
User Datagram Protocol (UDP) supports the network at the transport layer. User Datagram Protocol (UDP) is an unreliable connection-less protocol and is defined by RFC 768 and 1122. It is...
Transmission Control Protocol
Transmission Control Protocol (TCP) supports the network at the transport layer. Transmission Control Protocol (TCP) provides a reliable connection oriented service. Connection oriented means both the client and server must...
Internet Protocol
Internet Protocol (IP) provides support at the network layer of the OSI model. All transport protocol data packets such as UDP or TCP are encapsulated in IP data packets to...
Address Resolution Protocol
Address Resolution Protocol (ARP) provides a completely different function to the network than Reverse Address Resolution Protocol (RARP). ARP is used to resolve the ethernet address of a NIC from...
Repeaters, Bridges, Routers
Network Repeater A repeater connects two segments of your network cable. It retimes and regenerates the signals to proper amplitudes and sends them to the other segments. When talking about,...