WorksheetsConnectivity and Communication Quiz
Total questions: 102
Worksheet time: 2hrs 46mins
Connectivity is a concept related to
transmitting information, either by computer or by phone
the interconnections within a computer
using computer networks to link people and resources
being in an active session with your computer
One of the most dramatic changes in connectivity and communications in the past five years has been _______ _.
mobile or wireless telephones
public and private discussion
satellite uplinks
running programs on remote computers
The four basic elements of any communication system include
peer-to-peer, videoconferencing, online photo-conferencing, net optical
sending and receiving devices, communication channel, connection device, and data transmission specifications
telephone lines, coaxial cables, fiber-optics cables, and communication channel
software, hardware, communication channel, network
An older type of data communications channel, using multiple copper wires, is called ________ technology.
microwave
fiber-optic cable
coaxial cable
twisted pair
A communications channel that is made up of a single copper core with a ground sheath around it is called a ________.
twisted pair channels
microwave
coaxial cable
fiber-optic cable
Data is transmitted using light through a(n) ________ cable.
twisted pair
fiber-optic
coaxial
microwave
Which physical connection is the fastest?
twisted pair
coaxial cable
fiber-optics
microwaves
Communication in a straight line is accomplished using ________.
twisted pairs
fiber-optics
coaxial cables
infrared
Most Web-enabled devices follow a standard known as
FireWire
Bluetooth
TCP/IP
Wi-FI
A relatively new technology that allows wireless connectivity is called ________.
Bluetooth
Blacktooth
Blueband
Broadband
Bluetooth is a type of radio wave information transmission system that is good for about
30 feet
30 yards
30 miles
300 miles
The telephone is an example of a(n) ________ signal.
analog
digital
modulated
demodulated
A credit card-sized expansion board that is inserted into portable computers that connects the modem to the telephone wall jack is the ________.
Internal modem
External modem
PC Card modem
Wireless modem
A modem that is contained within the system unit is called a(n) ________ modem.
external
internal
wireless
WiFI
A modem that doesn't need to be connected to a telephone line is the ________ modem.
external
internal
wireless
DSL
A special high-speed line used by large corporations to support digital communications is known as
satellite/air connection service lines
cable modems
digital subscriber lines
T1, T2, T3 and T4 lines
An affordable technology that uses existing telephone lines to provide high-speed connections is called ________.
ISDN
microwave
cable modem
DSL
The capacity of a communication channel is measured in
bandwidth
bit capacity
baud rate
data flow
Voiceband ________
allows the user to download messages
is used for standard telephone communication
is used in special leased lines to connect minicomputers and mainframes
provides a high-speed communication channel
The greatest capacity for data transmission happens in ________ devices.
voiceband
medium band
broadband
mega-band
The rules for exchanging data between computers are called
interconnections
synchronous packages
protocols
data transmission synchronization
The standard protocol for the Internet is
TCP
IP protocol
IP address
TCP/IP
________ is the process of breaking down information sent or transmitted across the Internet into small parts called packets.
protocol
bandwidth
reformatting
identification
The systems developed to automatically translate text-based addresses to numeric IP addresses is called
DSL
DNS
SNL
SDN
A computer network must contain at least this number of computers.
two
a few
twenty
hundreds
Two or more computers connected so that they can communicate with each other and share information is called a
satellite
protocol
broadcast
network
Any device that is connected to a network is called a
client
node
server
manager
A device, connected to a network, that requests resources available from other devices is called a
client
server
host
NOS
A device, connected to a network, that shares resources with other nodes is called a
client
server
host
NOS
The acronym NOS refers to the
The acronym NOS refers to the
operating system on the clients
Network order system, or topology
operating system of the network
network architecture
A network of devices in close physical proximity is called a
LAN
WAN
MAN
WLAN
A small network setup in your home is called a
hub network
center network
station network
local area network
A network that spans a nation or the world is called a
LAN
WAN
MAN
SPAN
A network ________ describes how a computer network is configured and what strategies are employed.
protocol
NOS
architecture
connection
The arrangement of the computers in a network is called the
NOS
topology
node layout
protocol
A network configuration in which each computer is attached to a central unit is called a(n) ________ network.
star
bus
hybrid
hierarchical
The most common network strategies are ________
star, ring, bus, hierarchical
terminal, peer-to-peer, client server
topology, protocol, architecture
host, client, terminal
A way of coordinating the sharing of information and resources is called a network ________.
topology
strategy
protocol
architecture
A network configuration in which each device is attached to a common connecting cable is called a ________ network.
star
bus
ring
hierarchical
A network in which the central computer is a host to a cluster of other computers that in turn are hosts is called a(n) ________ network.
star
bus
ring
hierarchical
If the majority of the processing power is centralized in one large computer and the nodes connected to it have little or no processing capability, it is called a(n) ________ network.
hybrid
terminal
peer-to-peer
hierarchical
If the nodes can serve as both servers and clients, the network is said to be
hybrid
terminal
peer-to-peer
hierarchical
A private network within an organization is called a(n)
local net
extranet
Internet
intranet
A private intranet that is accessible to authorized outsiders best describes a(n)
extranet
private network
electronic market space
local area network
A(n) ________ protects an organization’s network from outside attack.
fortress
extranet
proxy
firewall
Connectivity is a concept related to using computer networks to link people and resources.
All communication channels must have physical connections.
Fiber-optic cable transmits data as pulses of light.
Most telephone lines are coaxial cable.
Microwave communication uses high frequency radio waves.
Microwaves bend with the curvature of the earth.
Computers use digital signals to communicate within the system unit.
Demodulation is the process of converting digital signals to analog.
Communication speed is measured in bits per second.
An external modem stands apart from the computer and typically is connected by a cable plugged into a serial port.
T1, T2, T3 and T4 lines support all digital communications and provide very high-speed capacity.
Cable modems are as fast as T1 lines or DSL connections, at a lower cost.
Cable modems are slower than regular modems but more reliable.
The term bandwidth refers to the measurement of the capacity of the communication channel.
Voiceband is the slowest data transmission bandwidth.
The channel with the greatest bandwidth is called broadband.
The essential features of the TCP/IP protocol involve identifying, sending and receiving devices, and reformatting information for transmission across the Internet.
The set of rules that governs data transmission is called prototype.
The standard protocol for the Internet is TCP/IP (transmission control protocol/Internet protocol).
Reformatting refers to breaking information into small parts called packets.
Reformatting refers to breaking information into small parts called packets.
True
False
A TCP converts text-based addresses to numeric IP addresses.
True
False
On a network, a server can be a node.
True
False
In a network environment, a client provides resources for the servers.
True
False
The NOS controls and coordinates the activities of all computers and other devices on a network.
True
False
A host computer is generally a centralized, mini or mainframe that provides resources and processing for several terminals.
True
False
A LAN can benefit a company by allowing workers to share equipment like printers and file servers.
True
False
LANs can be connected to other LANs using a gateway.
True
False
The Internet is an example of a LAN.
True
False
The primary difference among LAN, WAN, and MAN is the geographic range.
True
False
In a LAN environment a network gateway device can connect several groups even if their configurations are different.
True
False
A network that connects buildings within a city is called a MAN.
True
False
A WAN can benefit a company by allowing workers to share equipment like printers and file servers.
True
False
The arrangement and coordination of resources in a network is described by its architecture.
True
False
The topology of a network is the arrangement of the computers within it.
True
False
When all the terminal devices are connected to a central unit, the configuration is called a ring network.
True
False
In a distributed data processing system, computers can perform processing tasks at their own dispersed locations, and they can also share programs, data, and other resources with each other.
True
False
Strategies are sets of communication rules for the exchange of information.
True
False
In a peer-to-peer network, only the central host computer supplies the resources, the other computers request resources from this host.
True
False
An intranet is a private network within an organization that resembles the Internet.
True
False
A proxy server is a security system designed to protect an organization’s network against external threats.
True
False
The concept of using your computer to connect with other computers to share resources is known as (a) .
Electronic systems that transmit data over communications lines from one location to another are called (a) systems.
In a communications environment, the actual connecting or transmission (a) carries the message.
Telephone lines are made up of hundreds of copper wires called (a) cable.
A high-frequency cable that has a solid copper core and an outer shield is called (a) cable.
(a) cable is a transmission medium that transmits data as pulses of light through tiny tubes of glass.
The technology (a) promises to allow a wide variety of nearby devices to communicate with one another without any physical connection.
In satellite communications, (a) is the term used to describe sending data.
A(n) (a) is a device that translates digital signals to analog, and also translates analog signals back to digital.
(a) is the term used to describe converting digital signals into analog signals.
The term used to describe the bits-per-second transmission capacity of a communication channel is (a) .
The slowest channels, used for standard telephone communications, are called the (a) band or low bandwidth.
The rules for exchanging data between computers are known as (a) .
The standard protocol for the Internet is (a) .
Breaking down messages into small parts called packets is referred to
