Q U ESTIO N
16
1. In which of the following LAN configurations do all nodes share a single
communication line that carries messages in both directions?
bus topology
ring topology
gateway topology
star topology
metropolitan
topology
Q U ESTIO N
17
1. True or False? Network communications were possible before the development of the
Web.
True
.
Fals
e.
Q U ESTIO N
18
1. The mp3, au, and wav file extensions are generally used for which of the following?
text data file
audio file
image file
word processing
document
program source file
Q U ESTIO N
19
1. True or False? Spreadsheets are dynamic in that they respond immediately to
changes made to data, including insertions and deletions.
True
.
Fals
e.
Q U ESTIO N
20
1. Which of the following processes disk requests in the order in which they arrive?
2 points
2 points
2 points
2 points
first-come, first-
served
SCAN
shortest-seek-time-
first
latency
seek time
Q U ESTIO N
21
1. True or False? The World Wide Web was developed in the 1970s.
True
.
Fals
e.
Q U ESTIO N
22
1. True or False? Both DSL and cable modems generally provide data transfer speeds in
the range of 1.5 to 3 megabits per second
True
.
Fals
e.
Q U ESTIO N
23
1.
Which of the following associates an identifier with a variable, an action, or some
other entity within the language?
control structure
strong typing
data type
Boolean
expression
declaration
Q U ESTIO N
24
1. True or False? A hostname uniquely identifies a particular computer among all others
on the Internet.
True
2 points
2 points
2 points
2 points
.
Fals
e.
2 points
Q U ESTIO N
25
1.
Which of the following is executed by the Java Virtual machine?
procedur
e
interpret
er
Bytecode
paradig
m
compiler
2 points
Q U ESTIO N
26
1.
True or False? HTML is case sensitive.
True
.
Fals
e.
2 points
Q U ESTIO N
27
1. True or False? A ring topology is a LAN configuration in which a central node controls
all message traffic.
True
.
Fals
e.
Q U ESTIO N
28
1. True or False? A weblog allows users to publish periodic articles on a website.
True
.
Fals
e.
Q U ESTIO N
29
2 points
2 points
1. True or False? It is illegal to use a txt extension with an audio file.
True
.
Fals
e.
Q U ESTIO N
30
1. Which of the following describes the process of dividing a message into small pieces
and sending those pieces separately to the destination?
backbone
firewall
bandwidth
packet
switching
hostname
2 points
