Chapter 1- Introduction to Computer Networks and
Data Communications Questions with Correct
Answers
Computer Network Correct Answer-An interconnection of computers
and computing equipment that uses either wires or radio waves over
small or large geographic areas.
Wireless Correct Answer-A shorthand term often used to denote the
transmission of signals without the use of wires.
Personal Area Network (PAN) Correct Answer-A network that involves
wireless transmissions over a short distance, such as a few meters.
Local Area Network (LAN) Correct Answer-A communication network
that interconnects a variety of data communication devices within a
small geographic area and broadcasts data at high data transfer rates with
very low error rates.
Metropolitan Area Network (MAN) Correct Answer-A network that
serves an area of 3 to 30 miles - approximately the area of a typical city.
Wide Area Network Correct Answer-Interconnection of computers and
computer related equipment that performs a given function or functions,
typically uses local and long-distance telecommunications systems, and
can encompass parts of states, multiple states, countries, and even the
world.
, Data Communications Correct Answer-The transfer of digital or analog
data using digital or analog signals.
Multiplexing Correct Answer-Transmitting multiple signals on one
medium at essentially the same time.
Compression Correct Answer-The process of manipulating data such
that it fits into a more compact space.
Voice Network Correct Answer-A type of network that is designed to
support standard telephone calls.
Data Network Correct Answer-An interconnection of computers that is
designed to transmit computer data.
Convergence Correct Answer-The coming together of multiple
communication concepts to form a single point.
Network Management Correct Answer-The design, installation, and
support of a network and its hardware and software.
Workstation Correct Answer-A personal computer or microcomputer
where users perform computing work.
Server Correct Answer-A computer that stores the network software and
shared or private user files.
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