circuit switching : it is one kinds of network communication in which two communicating systems established a connection that remains open through out the life of transaction . the telephone network is the example of circuit switching network.
Packet switching : a type of network communication where both systems does no established the handshake before transmitting data.
cluster : a group of two or more servers computers connected togather so theat they function as a single unified resource, for purpose of fault tolerance, load balancing and parallel processing.
collision : in local area network if two computer send data same time to one another, causing loss data. It is called collision.
connection less : a type of protocol that transmit data without establishing connection with destination systems. Such IP ( Internet Protocol), UDP ( user datagram protocol)
connection oriented : a type of protocol that established connection with destination systems before transmitting data . Such TCP ( Tramsmission Control Protocol), NETBUEI etc.
D channel : A digital communication channel running 16 or 64 kbps that is one of the fundamental unit of services provided by ISDN
default gateway: The router on the local network used by TCP/IP client network to transmit data to another network.
Differential backup: by this type of backup backs up the file which changed after the full backup.
