Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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A
chunk of data is called a ____. a. | packet | c. | header | b. | bus | d. | NIC | | | | |
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2.
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Which
of these is NOT a part of a data packet? a. | trailer | c. | header | b. | footer | d. | data | | | | |
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3.
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The
part of the packet that contains error-checking information that enables the receiving computer to
verify that the data arrived intact is the ____. a. | trailer | c. | data | b. | header | d. | protocol | | | | |
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4.
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The
physical interface between the computer and the network cable is the ____. a. | RAM | c. | motherboard | b. | bus | d. | NIC | | | | |
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5.
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____
signals are measured in bits per second. a. | Protocol | c. | Sound wave | b. | Analog | d. | Digital | | | | |
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6.
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Which
transmission speed is fastest?
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7.
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Which
statement below is false? a. | Broadband transmits analog signals. | b. | Broadband
transmits digital signals. | c. | Baseband transmits digital signals. | d. | Baseband speed
is measured in bits per second. | | |
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8.
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Many
transmissions can be sent through a channel simultaneously using a technique called
____. a. | multiplexing | c. | digitizing | b. | repeating | d. | amplifying | | | | |
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9.
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Which
OSI layer breaks data into smaller pieces and ensures error-free delivery? a. | application
layer | c. | data link
layer | b. | transport layer | d. | physical layer | | | | |
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10.
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Identify the correct order for OSI data layers. a. | presentation,
network, application, physical, data link, session, transport | b. | application,
presentation, session, transport, network, data link, physical | c. | application,
physical, session, network, transport, data link, presentation | d. | network,
physical, transport, presentation, data link, session, application | | |
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11.
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A(n)
____ provides a means of communication between data layers. a. | packet | c. | wire | b. | data link | d. | interface | | | | |
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12.
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A
message to be sent across a network enters the OSI model at the ____ layer of the sending computer
and exits the ____ layer of the receiving computer. a. | application;
presentation | c. | application;
session | b. | application; application | d. | application; network | | | | |
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13.
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Which
OSI layer addresses messages and determines which path those messages should take over the
network? a. | network
layer | c. | application
layer | b. | physical layer | d. | transport layer | | | | |
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14.
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The
____ determines the sequence in which the operating system runs the protocol. a. | binding
process | c. | binding
order | b. | protocol stack | d. | application protocol | | | | |
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15.
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A
Simple Mail Transport Protocol (SMTP) would be an example of a(n) ____ protocol. a. | application | c. | transport | b. | network | d. | AppleTalk | | | | |
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Completion
Complete each sentence or
statement.
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16.
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Networks rely on the ___________________________________ to make sure data packets
arrive at the receiving computer intact and undamaged.
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17.
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The
pathway that information travels along inside the computer is called a
____________________.
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18.
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Information travels as a continuous changing wave in a(n) ____________________
signal.
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19.
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Gbps
is the abbreviation for _________________________.
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20.
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A(n)
____________________ acts like a hearing aid, taking a weak signal, amplifying it, and passing it
on.
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21.
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A
data frame has ____________________ layers when sent through the OSI model.
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22.
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____________________ occurs when packets are passed sequentially from one layer to the
next, adding more information to the packet at each layer.
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23.
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A(n)
____________________ is an organized, logical structure in which a data packet from the network layer
can be placed.
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24.
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The
acronym TCP/IP stands for ____________________________________________________________.
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25.
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A(n)
____________________ is a combination of protocols.
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