Examlex
A NEXTVAL call generates the sequence value of 5.After the value is generated,what value will be stored in CURRVAL?
Transmission Medium
A material or substance that can propagate energy or signals from one location to another. In telecommunications, it refers to the physical path between the transmitter and receiver, like fiber optics, wireless, and copper cables.
Data Communications
The process of transmitting digital information between two or more computers or devices.
Star Topology
A network topology where each node is individually connected to a central hub or switch, allowing for efficient data transmission and easy addition or removal of nodes.
Central Node
In a network, the central node is the primary point of connection that can communicate with all other nodes, acting as a central hub for data transmission.
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