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8 U i P . MP OP OP OP OP OP OP $ Q T sP sP P MP MP -M O A{ O 6 9P P 0 P GO ~ :U :U l O :U O t sP sP P :U : Problem Set 5
True / False (one point each)
Chapter 15
True or False? A computer network is a collection of connected computing devices that may communicate and share resources.
True
True or False? Printers can NOT be connected directly to a computer network.
False
True or False? A file server stores and manages files for multiple users on a network.
True
True or False? A local-area network (LAN) connects a small number of nodes in a building or close geographic area.
True
True or False? A ring topology is a LAN configuration in which a central node controls all message traffic.
False
True or False? Ethernet has become the industry standard for local-area networks.
True
True or False? Ethernet is based on a ring topology.
False
True or False? A wide-area network (WAN) connects two or more local-area networks.
True
True or False? The Internet is a metropolitan-area network (MAN).
False
True or False? The Internet backbone is a set of high-capacity, high-speed networks that carry Internet traffic.
True
True or False? An Internet service provider (ISP) is a company that provides other companies or individuals with access to the Internet.
True
True or False? Both DSL and cable connections are broadband connections.
True
True or False? Broadband connections often provide more rapid downloads than uploads.
True
True or False? Messages sent over a shared communication line are divided into fixed-size, numbered pieces called packets.
True
True or False? Network packets contain instructions regarding the route they should travel to reach their destination.
False
True or False? A repeater is a network device that duplicates a packet and sends the duplicate by an alternate route.
False
True or False? A file's MIME type indicates the format of files that are attached to email messages.
True
True or False? A hostname uniquely identifies a particular computer among all others on the Internet.
True
True or False? A domain name server is a computer that attempts to translate a hostname into an IP address.
True
True or False? The domain name system (DNS) uses one large table to map hostnames to IP addresses.
False
Chapter 16
True or False? A Website is a collection of related Web pages.
True
True or False? Network communications were possible before the development of the Web.
True
True or False? A Web browser is a software tool that retrieves and displays Web pages.
True
True or False? A Web server generates Uniform Resource Locators (URL).
False
True or False? Some search engines index only part of a Web page, such as titles and headings.
True
True or False? Instant messages are encrypted before they are sent.
False
True or False? Some bloggers consider themselves to be "citizen journalists."
True
True or False? A website might use a cookie to determine the number of unique visitors the site has had.
True
True or False? A cookie can execute code on your computer.
False
True or False? HTML documents can be created using a regular text editor.
True
True or False? HTML is considered to be a markup language.
True
True or False? Tags are used in a markup language to annotate the information stored in a document.
True
True or False? An HTML document is divided into five primary sections.
False
True or False? A link in an HTML document allows an image to be displayed.
False
True or False? An image can be a link to another Web page in an HTML document
True
True or False? HTML is case sensitive.
False
True or False? A browser ignores extra spaces and blank lines in an HTML document.
True
True or False? A browser will usually number an ordered list and use bullets for unordered lists.
True
True or False? HTML includes six predefined heading elements for creating titles and subtitles in documents.
True
True or False? An attribute is an HTML tag that links to another Web page.
False
True or False? An HTML document looks the same in any browser that displays it.
False
True or False? A Java applet is a program that is designed to be executed via the World Wide Web.
True
True or False? A Java scriptlet is code embedded in an HTML document to create dynamic content on a Web page.
True
True or False? XML stands for Extensible Markup Language
True
True or False? HTML has a predefined set of tags and XML does not.
True
True or False? XML is a metalanguage, used to define other markup languages.
True
True or False? An Extensible Stylesheet Language (XSL) document can be used to transform an XML document into another format.
True
Multiple Choice (1 point each)
Chapter 15
Which of the following is a device for converting an analog signal to a digital signal and back again?
modem
gateway
node
router
repeater
A
Which of the following is a computer on a LAN that handles all communication between that network and others?
modem
gateway
node
router
repeater
B
Which of the following is a generic term used for any device on a network?
modem
gateway
node
router
repeater
C
Which of the following is a network device that directs a packet toward its final destination?
modem
gateway
node
router
repeater
D
Which of the following is a network device that strengthens and propagates a signal along a long communication line?
modem
gateway
node
router
repeater
E
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
A
In which of the following LAN configurations is there a center node to which all others are connected?
bus topology
ring topology
gateway topology
star topology
metropolitan topology
D
Which of the following LAN configurations has become a standard for local-area networks?
bus topology
ring topology
gateway topology
star topology
metropolitan topology
A
Which of the following describes a set of high-speed networks on the Internet, sponsored by companies such as AT&T and Verizon?
backbone
firewall
bandwidth
packet switching
hostname
A
Which of the following is the term used to describe a machine and software that protects a network from inappropriate access?
backbone
firewall
bandwidth
packet switching
hostname
B
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
D
Which of the following is an IP program that can be used to test whether a particular network computer is active and reachable?
ping
telnet
port
TCP/IP
SMTP
A
Which of the following is a high-level protocol used to log into a computer system from a remote computer?
ping
telnet
port
TCP/IP
SMTP
B
Which of the following is a numeric designation that corresponds to a particular high-level protocol?
ping
telnet
port
TCP/IP
SMTP
C
Which of the following is a suite of protocols and programs that support low-level network communication?
ping
telnet
port
TCP/IP
SMTP
D
Which of the following is a high-level protocol used to specify the transfer of electronic mail?
ping
telnet
port
TCP/IP
SMTP
E
Which of the following is made up of four decimal numbers separated by dots?
IP address
domain name
top-level domain
MIME type
hostname
A
Which of the following would correspond to an organization, such as a university or company?
IP address
domain name
top-level domain
MIME type
hostname
B
Which of the following indicates the general type of an organization or a country of origin?
IP address
domain name
top-level domain
MIME type
hostname
C
Which of the following indicates the format of a file attached to an email message?
IP address
domain name
top-level domain
MIME type
hostname
D
Multiple Choice
Which of the following contains the address for accessing a Web page?
uniform resource locator
web server
web browser
weblog
cookie
A
Which of the following is a computer dedicated to responding to requests for a Web page?
uniform resource locator
web server
web browser
weblog
cookie
B
Which of the following is a software tool that retrieves and displays Web pages?
uniform resource locator
web server
web browser
weblog
cookie
C
Which of the following is a mechanism for publishing periodic articles on the Web?
uniform resource locator
web server
web browser
weblog
cookie
D
Which of the following is the primary mechanism for representing the content of a Web page?
HTML
tag
attribute
cookie
hypertext
A
Which of the following is a notation that uses a name in angle brackets to annotate a piece of Web page information?
HTML
tag
attribute
markup language
hypertext
B
Which of the following is part of an HTML tag and provides additional information about the element?
cookie
ordered list
attribute
markup language
hypertext
C
Which of the following refers to the fact that the information on the Web is not organized in a linear fashion?
HTML
tag
attribute
markup language
hypertext
E
Which of the following has no predefined set of tags?
XML
applet
scriptlet
XSL
Java server page
A
Which of the following is a Java program designed to be embedded into a Web page and executed in a browser?
XML
applet
scriptlet
XSL
metalanguage
B
Which of the following is a small piece of code that is embedded directly into the HTML of a Web page?
XML
applet
scriptlet
XSL
metalanguage
C
Which of the following is a language for transforming XML into various output formats?
Java server page
applet
scriptlet
XSL
metalanguage
D
XML is an example of which of the following?
document type definition
applet
scriptlet
XSL
metalanguage
E
Fill-in-the-Blank (one point each)
A(n) _______________ is a set of rules that defines how data is formatted and processed on a network.
protocol
A(n) _______________ network connects a relatively small number of machines in a close geographical area.
local-area
A(n) _______________ network connects two or more local-area networks over a potentially large geographic area.
wide-area
A(n) _______________ network is a large network that covers a college campus, business campus, or city.
metropolitan-area
A LAN using a(n) _______________ topology uses a central node that controls all message traffic.
star
The _______________ reference model is a seven-layer breakdown of network interaction used to facilitate communication standards.
Open Systems Interconnection (OSI)
matiss.csc.villanova.edu is an example of a(n) _______________ that uniquely identifies one computer among all others on the Internet.
hostname
A(n) _______________, such as 205.39.155.18, is used by network software to designate a particular network resource.
IP address
In the name www.apple.com, apple.com is the _______________.
domain name
.com and .edu are examples of a(n) _______________.
top-level domain
HTML Coding (2 points each)
Write a line of HTML code that makes the phrase "View Favorites" a link to the document called favorites.html.
View Favorites
Write a line of HTML code that displays the image stored in the file logo.jpg.
Write a line of HTML code that treats the phrase "Executive Summary" as a third level header.
Executive Summary
Write HTML code that displays the words "blue", "orange", and "green" in an unordered list.
Write HTML code that displays the phrases "Sautee the onions", "Mix in green peppers", and "Add salt to taste" in an ordered list.
- Sautee the onions
- Mix in green peppers
- Salt to taste
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