Intro to
Network:(NCTI)
Computer busses have two parts: - ANSWER An address bus and a data bus.
Random access memory (RAM) is volatile, which means that - ANSWER It loses
stored data when power is lost.
A server is a computer that - ANSWER Provides resources to other computers.
The Typical ...
Intro to
Network:(NCTI)
Computer busses have two parts: - ANSWER An address bus and a data bus.
Random access memory (RAM) is volatile, which means that - ANSWER It loses
stored data when power is lost.
A server is a computer that - ANSWER Provides resources to other computers.
The Typical user of Network management and utility software are - ANSWER
Information Systems Personal and network administrators
Basic computer functions such as reading and writing files, and managing
input/output (I/O) requests are performed by which one of the following? - ANSWER
The operating system.
Which operating system (OS) was the first to support the Plug-and-Play
standard? - ANSWER Windows 95.
The overall data-carrying capacity of a bus is represented by the unit's - ANSWER
Bandwidth.
The section of a computer that executes the instructions in a program and
directs the flow of information within the computer is which of the following? - ANSWER
Central processing unit (CPU).
The classification of software used for telecommuters is referred to as: - ANSWER
Remote access.
Which of the following operating systems (OS) has reliability, functionality,
and stability beyond question? - ANSWER UNIX
Which of the following describes the generally accepted function of a
broadband network? - ANSWER Transports multiple concurrent signals on the same
physical medium.
, Which of the following describes the process of frequency modulation (FM)? -
ANSWER Vary the signal frequency and hold the signal amplitude constant
Compared to logical topologies, physical topologies - ANSWER Give more details
about a network's connectors, cabling, and wide area links.
Which of the following is the portion of a network that connects other
segments or networks to one another? - ANSWER Backbone
When the internal workings of a network are unknown to the user, it is
commonly called: - ANSWER A cloud.
In a building entrance, incoming telephone company cables are generally
terminated in which of the following? - ANSWER A cross-connect device.
What does the term "binary" indicate about a signal? - ANSWER The signal only has
two values representing the digital bits one and zero.
Which network topology requires a terminator at its end cable to prevent
reflections of transmitted signals? - ANSWER Bus topology
The central point of a star topology is usually - ANSWER A Hub
Which is often the most convenient place to run vertical cabling in a
multistory building? - ANSWER Elevator shafts.
What purpose do protocols serve in computer networking? - ANSWER They provide
rules for communications.
Data added to a message, that provides information about the message, is
called which of the following? - ANSWER A protocol header.
When a process in one computer operates at the same layer as a process in
another computer, it is considered - ANSWER A peer
Decapsulation means that each layer in the protocol stack does which of the
following? - ANSWER Removes its protocol header and passes the whole message up
the
protocol stack.
Which of the following describes how protocol layers work together? - ANSWER The
receiving protocol layer uses the services of the layer below it and provides
services to the layer above it.
Bottom-layer protocols can only support communications between devices
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