Cut cable, incorrect cable connections, Cable shorts, Interference level, Connector Problem
2. Connectivity Problem: A connectivity problem with one or more devices in a network can occur after a change is made in configuration or by a malfunction of a connectivity component, such as hub, a router or a Switch.
NB: A jabbering Network card is a network card that is stuck in a transmit mode. This will be evident because the transmit light will remain on constantly, indicating that the Network card is always transmitting.
4, Software Problem: Network problems can often be traced to software configuration such as DNS configuration, WINS configuration, the registry etc.
5. Duplicate IP Addressing: A common problem in many networking environments occurs when two machines try to use the same IP address. This can result in intermittent communications.