100.
A _____ is a network device that connects computers and passes messages
by repeating each computer’s transmissions only to the intended recipient,
not to all the connected computers.
101.
A _____ is a device that passes network traffic between smaller
subnetworks of a larger network.
102.
A network that covers a contiguous geographic area is called a ____.
103.
A network that covers a large geographic area where buildings are not in
immediate proximity to each other is called a ____.
104.
A network that covers an urban area is called a ____.
105.
____, or capacity of the communications medium, is the amount of
information that a communications medium can transfer in a given amount
of time.
106.
A _____ connection is a high-capacity telecommunications pipeline capable
of providing high-speed Internet service.
107.
_____ is a high-speed Internet connection using phone lines, which allows
you to use your phone for voice communications at the same time.
108.
_____ allows you to access the Internet through your cable connection.
109.
_____ allows you to send voice communications over the Internet and avoid
the toll charges that you would normally receive from your long-distance
carrier.
110.
A _____ transmits information over a closed, connected path.
111.
A _____ is a bundle of copper wires used for transmitting voice or data
communications.
112.
A _____ has one central wire surrounded by insulation, a metallic shield, and
a final case of insulating material.
113.
_____ uses a very thin glass or plastic fiber through which pulses of light
travel.
114.
_____ communications radiate information into the air, either very narrowly
beamed or in many directions.
115.
_____ uses red light to send and receive information.
116.
A typical speed of an infrared connection is ____.
117.
Wi-Fi (wireless fidelity, 802.11 b or g) uses _____ transmissions.
118.
_____ is a short-distance wireless communication that is omnidirectional or
all directions.
119.
_____ are used to send large amounts of data to remote locations especially
if there are a number of receiving sites.
120.
A(n) _____ is a microwave repeater located in space.
121.
Restricting payroll information to only authorized payroll employees is
ensuring _____ of the information.
122.
Fraudulent e-mail messages claiming to be from your bank is an example of
a threat to ____.
123.
A(n) _____ can protect availability of a network and prevent denial-of–
service attacks.
124.
A virtual private network uses _____ to establish a secure channel for
transmitting data.
125.
Spyware, viruses, and worms are examples of ____.