True/False
Indicate whether the
statement is true or false.
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1.
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The Web and the Internet are interchangeable terms.
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2.
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DSL service is not affected by the number of users on the line at the same
time.
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3.
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Cookies store personal information to help customize Web pages for users.
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4.
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You cannot connect to the Internet wirelessly unless you’re in a WiFi
hotspot.
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5.
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In a firewall, proxy servers act as a go-between from computers on an internal
network and the Internet.
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6.
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Client/server networks are said to be decentralized.
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7.
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MAC addresses and IP addresses are the same thing.
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8.
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A node can NOT be a communications device, such as a modem.
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9.
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Repeaters are devices that are installed on long cable runs to amplify the
signal.
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10.
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A query is designed to make data entry into a database easier.
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11.
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Consistency checks ensure that only reasonable data values are entered into a
database.
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12.
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Reducing data redundancy by recording data only once is called data
normalization.
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13.
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A data warehouse is a smaller slice of a data mart.
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14.
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The main reason businesses use data mining is to simplify transaction processing
systems.
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Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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15.
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Which one of the following statements is NOT true about instant
messaging?
a. | It is a popular form of communication. | c. | More than two people can IM at the
same time. | b. | You communicate in real time. | d. | Unlike e-mail, IM is good for private
conversations. |
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16.
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When shopping online, which of the following does NOT indicate that you have
secure connection displays?
a. | A closed padlock icon in the status bar. | c. | The word “secure” in
the title bar. | b. | The URL begins with https. | d. | The VeriSign seal on the Web page. |
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17.
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With a podcast, you can _____.
a. | subscribe to video and audio content | c. | play the video and audio content on
an MP3 player | b. | have the most recent content “delivered”
automatically | d. | all of the
above |
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18.
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A Web page that enables online collaboration is a(n) _____.
a. | podcast | c. | blog | b. | wiki | d. | IM chat |
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19.
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One scam that lures Internet users into revealing personal information is
_____.
a. | malware | c. | spam | b. | phishing | d. | Internet hoax |
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20.
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A combination of a phone and a PDA is referred to as a _____.
a. | smartphone | c. | cellular phone | b. | combo-phone | d. | personal digital
assistant |
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21.
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Which of the following is NOT an advantage of using mobile devices?
a. | You can access your files wherever you are. | c. | You can access the Internet at
faster speeds. | b. | You can keep in contact with others via e-mail or phone wherever you
are. | d. | You can access the
Internet wherever you are. |
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22.
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Which of the following allow you to carry media files?
a. | a PMP | c. | a PIM | b. | a PDQ | d. | a POM |
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23.
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Text messaging is also called _____.
a. | test messaging | c. | short message service | b. | sending messages
shortly | d. | short text
messaging |
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24.
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GPS refers to _____.
a. | goals performance system | c. | global parts
system | b. | global positioning system | d. | ground position system |
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25.
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Which is NOT a common server found on the Internet?
a. | Commerce server | c. | File server | b. | Web server | d. | Application
server |
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26.
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Data is sent over the Internet in small chunks called _____.
a. | pockets | c. | pieces | b. | packets | d. | switches |
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27.
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A typical IP address is expressed as _____.
a. | a dotted decimal number | c. | 32-bit numbers | b. | four
octets | d. | all of the
above |
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28.
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SMTP is the protocol to do what over the Internet?
a. | Send e-mail. | c. | Upload files to another computer. | b. | Communicate via
Instant Messaging. | d. | None of
the above. |
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29.
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Which of the following is a set of formatting technologies used on the Internet
to add interactivity?
a. | HTML | c. | XML | b. | XHTML | d. | DHTML |
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30.
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SSL is the protocol used to _____.
a. | create a secure connection between client and server | c. | encrypt e-mail
messages | b. | transmit individual messages securely | d. | All of the
above. |
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31.
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Which type of network is NOT highly scalable?
a. | peer-to-peer | c. | Ethernet | b. | client/server | d. | intranet |
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32.
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The geographical area for a LAN is most likely to be a _____.
a. | planet | c. | city | b. | nation | d. | building |
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33.
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Which of the following is NOT a component of a client/server
network?
a. | transmission media | c. | network topology | b. | server | d. | computer
manufacturer |
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34.
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In a star topology, CSMA/CD is a technique for _____.
a. | avoiding and responding to data collisions | c. | routing data packets to the correct
destination | b. | encrypting messages before network transmission | d. | configuring network
topologies |
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35.
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The type of cable with the lowest installation cost is _____.
a. | 802.11 | c. | coaxial | b. | fiber-optic | d. | twisted pair |
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36.
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_____ are designed to send information between two networks.
a. | Hubs | c. | Repeaters | b. | Routers | d. | Switches |
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37.
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A firewall ensures that incoming data came from a valid source via technique
known as _____.
a. | access privileging | c. | authentication | b. | carrier sensing | d. | packet
screening |
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38.
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A _____ topology is the most widely deployed client/server network layout in
businesses today.
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39.
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Which of the following cable types has the highest run length and the highest
installation cost?
a. | ThickNet | c. | fiber-optic | b. | ThinNet | d. | twisted pair |
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40.
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Which of the following does NOT perform its functions within a single
network?
a. | router | c. | hub | b. | switch | d. | repeater |
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41.
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An example of a UTP cable is _____.
a. | Cat 6 | c. | coaxial | b. | RJ-45 | d. | 802.11 |
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42.
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Denial of Service (DoS) is _____.
a. | an act of bombarding a server with high volumes of false requests | c. | a firewall
technique for blocking access to certain logical ports | b. | the malicious destruction of data by accessing
the host’s FAT table | d. | a policy of withholding service from users who abuse the
Internet |
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43.
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Which of the following is NOT a benefit of networks?
a. | allow users to share printers | c. | allow users to transfer files
easily | b. | allow users to share an Internet connection | d. | allow users to share
monitors |
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44.
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Viruses that change their own code (or periodically rewrite themselves) to avoid
detection are called _____.
a. | multipartite viruses | c. | polymorphic viruses | b. | encryption viruses | d. | stealth viruses |
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45.
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The best defense against viruses is to _____.
a. | install antivirus software | c. | install a
firewall | b. | install spyware detector software | d. | install both antivirus software and a
firewall |
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46.
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Computer users who gain access to other companies’ or people’s
computer systems with the intent to destroy information or for illegal gain are known as
_____.
a. | black-hat hackers | c. | computer forensics experts | b. | Trojan
horses | d. | wildcat
hackers |
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47.
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Dynamic addressing makes it more difficult for hackers to find likely victims
because _____.
a. | the ISP hides the IP addresses for computers on their network | c. | the IP address is
protected by a firewall | b. | the IP address changes each time a user logs on
to their ISP | d. | the ISP
assigns counterfeit IP addresses |
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48.
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Which of the following is the most complex operating system to configure for a
home network?
a. | Mac OS X | c. | Linux | b. | Windows XP | d. | Windows ME |
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49.
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_____ services, such as MySpace and Facebook, have you list personal information
about yourself and encourage you to list connections to your friends.
a. | Social networking | c. | Grid computing | b. | Switch chaining | d. | MIMO |
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50.
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_____ computing is an efficient way of effectively linking millions of computers
to perform complex calculations during lulls in their process cycles.
a. | Remote | c. | Grid | b. | Automated | d. | Functional |
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51.
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Two lists reflecting different data about the same person is an example of
_____.
a. | data redundancy | c. | data disparity | b. | data inconsistency | d. | data duplication
errors |
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52.
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Which of the following is NOT an advantage of using a database versus
lists?
a. | Information can be easily shared among users. | c. | Data integrity can be assured with
a database. | b. | Data entry errors can be minimized with databases. | d. | Databases are easier to build and maintain than
lists. |
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53.
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A group of related fields in a relational database is called a _____.
a. | primary key | c. | master key | b. | record | d. | table |
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54.
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In databases, tables are related using _____.
a. | primary keys and foreign keys | c. | data marts | b. | boolean
logic | d. | database
logic |
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55.
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A field that has a unique value for each record in a database is called the
_____.
a. | logical key | c. | key field | b. | master field | d. | primary key |
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56.
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A primary key of one table that is also found in a related table is a
_____.
a. | linked key | c. | secondary key | b. | foreign key | d. | subordinate key |
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57.
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Which of the following is one of the four main operations of a database
management system?
a. | Querying data | c. | Structuring data | b. | Dissecting data | d. | Consolidating
data |
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58.
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Ensuring that a field must contain a number that is between two values is an
example of a(n) _____.
a. | existence check | c. | range check | b. | completeness check | d. | consistency
check |
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59.
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A system that is designed to help perform routine daily tasks is known as a(n)
_____.
a. | decision support system | c. | data warehouse | b. | office support
system | d. | management
information system |
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60.
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An electronic system used to record sales of products through Web site is an
example of a _____.
a. | transaction processing system | c. | management information
system | b. | decision support system | d. | knowledge-based system |
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