One of the benefits of the Internet is the opportunity it offers to people worldwide to communicate via e-mail. The Internet is home to a large community of individuals who carry out active discussions organized around topic-oriented forums distributed by e-mail. These are administered by software programs. Probably the most ...
OSPF stands for open shortest path first. It’s a Link state routing protocol .OSPF matrix is Cost which is inversely proportional to bandwidth (108/Link bandwidth).....
EDI is Electronic Data Interchange. It is an inter-organisational exchange of documents in a structured and processable form. It is a key to today's paperless office. EDI has become a major means of business communications among large companies in the U.S. The use of EDI eliminates many of the problems associated ...
The first step towards understanding communications is to look at computer data at its base level. As all of us know computer and computer device manage, store and exchange data using electronic pulses or digital signails that comes in two varieties, the binary digit "0" indicates the absence ...
IP RIP is a true distance vector routing protocol that sends its complete routing table on all interfaces (active) every 30 seconds. IP RIP uses a hop count as its metric to determine the best path to a remote network. The maximum allowable hop count is 15, meaning that 16 ...
Data Link layer provides reliable delivery of data across the network medium & translates messages from the network layer in bits for the physical layer. Its specifications define different network and protocol characteristics, including physical addressing, error notification, network topology and sequencing of frames. Data link protocols provide ...
Baseband - In this technology only one carrior frequency is used ( like ethernet). Broadband -In this technology several independent channels are multiplexed into one cable ( like in T1 line)

UDP Broadcast A Broadcast is a Data packet that is destined for multiple hosts. Broadcasts can occur at the Data link Layer and the Network Layer. Data-link broadcasts are sent to all hosts attached to aparticular physical network. Network layer broadcasts are sent to all hosts attached ...
What is Spyware ? A spyware is a malware that monitors the activities on the computer which are illegally installed in computer without the user's knowledge. The information is sent back to its creator. Examples , Collection or passwords and credit card numbers. Some spyware programs are designed to monitor the user's ...