quiz

Data is information stored in digital form, information that has been processed stored and organized
Information is

QUESTIONS:

Define the following terms: data, information, and data communications network.
What was the first data communications system that used binary-coded electrical signals?
discuss the relationship between network architecture and protocol.
briefly describe broadcast and point-to-point computer networks.
define the following terms: protocol, connection-oriented protocols, connectionless protocols, and protocol stacks.
what is the difference between syntax and semantics?
what are data communications standards, and why are they needed?
name and briefly describe the differences between the two kinds of data communications standards.
list and describe the eight primary standards organizations for data communications.
define the open systems interconnection.
briefly describe the seven layers of the OSI protocol hierarchy
list and briefly describe the basic functions of the five components of a data communications circuit.
briefly describe the differences between serial and parallel data transmission.
what are the two basic kinds of data communication circuit configurations?
list and briefly describe the four transmission modes.
list and describe the functions of the most common components of a computer network.
what are the differences between servers and clients on data communications network?
describe a peer-to-peer data communications network.
what are the differences between peer-to-peer clients/server network and dedicated client/server network?
what is a data communications network topology?
list and briefly describe the five basic data communications network topologies.
list and briefly describe the major network classifications.
briefly describe the TCP/IP protocol model.
briefly describe the Cisco three-layer protocol model.