Data Link Layer Also known as Layer 2, this is the second layer from the bottom of an Open System Interconnection (OSI) or protocol layer that moves data... Continue reading
Data Terminal Equipment (DTE) This is a piece of equipment that is either the source or the end point for digital data. Continue reading
Datagram This is a self-contained message that is transmitted over a network. They are the smallest unit of transmitted data. Continue reading
Differentiated Services (DiffServ or DS) This is a way of executing Quality of Service (QoS) policies. It helps identify and control network traffic. Continue reading
Digital Data Digital data is a representation of data in a format that machines can interpret. Continue reading
Digital Subscriber Line (DSL) This technology uses existing telephone lines to transmit digital data. Continue reading
DNS Server This type of server is designed to provide services to clients (programs). Continue reading
Domain Name System (DNS) This translates human-readable domain names into machine-readable numbers known as IP addresses. Continue reading
Dotted-Decimal Notation Consisting of a string of numbers, this is a way to present numerical data. Continue reading
Download Download involves transmitting data from one system to another via a network connection. Continue reading