Deck 25: Xml Etext Only

Question 1

Which of the following XML fragments contains an error?
A.half dollar
B.
C.
D.quarter

Answer 1

Question 2

What does DOM stand for?
A.Data Object Model
B.Data Oriented Model
C.Document Object Model
D.Definition Object Model

Answer 2

Document Object Model

Question 3

A ________ parser reports the building blocks of an XML document.
A.tree-based
B.XPath
C.streaming
D.DOM

Answer 3

streaming

Question 4

Which of the following is a correctly-formatted XML fragment for a course element and two child elements, courseID and credits.The course ID is CS605 and it has 3 credit hours.
A. CS6053
B. CS605 3
C. CS605 3
D. CS605 3

Question 5

Which of the following best describes the line of code?

Have a fantastic day!P1P1_E
A.Mixed content
B.Element content
C.Attribute content
D.Combined content

Question 6

Which of the following statements is correct?
A.Elements cannot have attributes.
B.An XML document starts out with an HTML declaration and contains elements and text.
C.An element must contain text or elements, not both.
D.An attribute is appropriate only if it tells something about the data but is not part of the data itself.

Question 7

Which of the following statements is correct?
A.Elements describe how to interpret attributes.
B.In XML, attribute values must be enclosed in quotes.
C.Mixed content allows you to have control over the order in which elements appear.
D.You should always use mixed content for elements that describe data sets.

Question 8

Which of the following is true about HTML and XML?
A.HTML describes the meaning of the data and XML also describes the meaning of the data
B.HTML describes the website to the browser while XML describes the meaning of the data
C.HTML describes the website to the browser while XML describes how to display the data
D.HTML describes the meaning of the data while XML describes how to display the data

Question 9

An XPath describes a node or_______, using a syntax that is similar to directory paths.
A.folder
B.set of nodes
C.parser
D.model

Question 10

Which parser gives you an overview of the complete document so you can analyze it?
A.grammar parser
B.tree-based parser
C.block parser
D.streaming parser

Question 11

To read and analyze the contents of an XML document, you need an XML ____________.
A.parser
B.document analyzer
C.path
D.tokenizer

Question 12

A ___________ is a program that reads a document, checks whether it is syntactically correct, and takes some action as it processes the document.
A.browser
B.compiler
C.document builder
D.parser

Question 13

Which of the following statements is correct?
A.XML-formatted data files are resilient to change.
B.In XML, start-tags need not have matching end-tags.
C.XML describes how to display data.
D.HTML is a special case of XML.

Question 14

The XML standard recommends that every XML document start with ____.
A.
B.
C.
D.

Question 15

Which of the following statements is correct?
A.In XML, every start-tag must have a matching end-tag.
B.XML files are readable by computer programs but not by humans.
C.Attribute values need not be enclosed in quotes.
D.An element cannot contain mixed content.

Question 16

The ____ standard defines interfaces and methods to analyze and modify the tree structure that represents an XML document.
A.DTD
B.SAX
C.DOM
D.API

Question 17

____________ is an extensible syntax that can be used to specify many

Question 18

Which of the following is not true when using XML?
A.Attribute values must be enclosed in quotes
B.Tags are case-sensitive
C.Indents matter to the parser
D.Every start-tag must have a matching end-tag

Question 19

In XML, an attribute has a name and a(n) ____________________.
A.variable
B.element
C.value
D.object

Question 20

A _____________ reads and reports on each element of an XML document as it reads it.
A.DOM parser
B.tree-based parser
C.block parser
D.streaming parser

Question 21

Where is the newDocumentBuilder method?
A.In the DocumentBuilder class.
B.In the DocumentFactoryBuilder class.
C.In the DocumentFactory class.
D.In the DocumentBuilderFactory class.

Question 22

Where is the createElement method located?
A.DocumentBuilder class.
B.newBuilder class.
C.DocumentBuilder interface.
D.Document interface.

Question 23

Assuming that path is properly instantiated object of type XPath and doc is the document below, what is the value of result in the statement
A.1
B.2
C.3
D.4

Question 24

To write a DOM document, you need to use an object that implements the _________ interface.
A.DocumentBuilder
B.Serializable
C.Serializer
D.LSSerializer

Question 25

The package javax.xml.parsers contains:
A.Element and Text
B.Document and DocumentBuilder
C.DocumentBuilder and DocumentBuilderFactory
D.Element and Document

Question 26

What method do you use to insert a node into an XML document?
A.insertNode method.
B.createNode method.
C.createElement method.
D.insertElement method.

Question 27

What kind of object do you need to create a new, empty XML document?
A.DocumentBuilder
B.newBuilder
C.newInstance
D.newDocumentBuilder

Question 28

To get a DocumentBuilder object, first call the static ____ method of the DocumentBuilderFactory class.
A.newInstance
B.document
C.connection
D.newDocument

Question 29

What is the purpose of the XPath?
A.Describes a node or set of nodes in an XML document
B.Describes the logic flow of an XML document
C.Describes the path to an XML document
D.Describes the nodes from the path of the XML document

Question 30

When converting an XML document to Java classes, how should you think about XML elements?
A.Elements are equivalent to classes.
B.Elements are like instance variables.
C.Elements are similar to superclasses.
D.Elements can be instance variables, classes, or methods.

Question 31

Given the following code, what will the XPath name(/items/item[2]/*[2]) generate?
A.price
B.product
C.description
D.quantity

Question 32

What kind of object do you need to read an XML document?
A.DocumentBuilder
B.newBuilder
C.newInstance
D.newDocumentBuilder

Question 33

You set element attributes with the _________method.
A.setElementAttributes
B.setElement
C.setAttributes
D.setAttribute

Question 34

Using the grammar notation in your textbook, the expression

::= a means:
A."article must be equal to a"
B."article can be replaced with a or not a"
C."article can be replaced with a"
D."article cannot be equal to"

Question 35

To generate an object of a class that implements the Document interface, you need a __________.
A.DocumentGenerator
B.DocumentBuilder
C.DocumentValidator
D.ObjectBuilder

Question 36

Given the following code, what will the XPath /items/item[2]/product/price generate?
A.29.95
B.19.95
C.2
D.4

Question 37

To insert text, you need the _________methods.
A.insertElement and setElement
B.createNode and insertChild
C.createTextNode and appendChild
D.insertTextNode and insertChild

Question 38

Given the following code, what will the XPath /items/item[0]/quantity select?
A.19.95
B.4
C.8
D.The element does not exist.

Question 39

Which of the following is true about XML streaming parsers and tree-based parsers?
A.Tree-based parsers require little memory while streaming parsers require a large amount of memory
B.Tree-based parsers read the XML input one token at a time while the streaming parsers builds an overview that represents the parsed document
C.Tree-based parsers give a complete overview of the data while streaming parsers give information bits at a time
D.Tree-based parsers report the building blocks of an XML document while a streaming parser gives the overall view of the XML document

Question 40

Given the following code, what will the XPath count(/items/*) generate?
A.1
B.2
C.3
D.4

Question 41

The inclusion of a DTD in an XML document allows you tell the parser to validate the document.The ___________ method of the DocumentBuilderFactory class allows you to turn on validation.
A.setValidator
B.setValidating
C.documentBuilder
D.setFactory

Question 42

Using the grammar notation in your textbook, the expression

means:
A."article must be equal to a and the"
B."article can be replaced with a or the"
C."article can be replaced with a and the"
D."article cannot be equal a or the"

Question 43

To make the parser ignore white space between elements, you should call the __________ method of the DocumentBuilderFactory class.
A.setIgnoringElementContentWhitespace
B.setElementContentWhitespace
C.setIgnoringContentWhitespace
D.setIgnoringElementContent

Question 44

Using the grammar notation in your textbook, which rule means that a verb can be either jumps over or eats?
A. ::= "jumps over" | "eats" |
B. ::= jumps over | eats
C. ::= jumps | over | eats
D. ::= | |

Question 45

An element that is declared as _______ in a DTD may not have any children.
A.PCDATA
B.ELEMENT
C.NULL
D.EMPTY

Question 46

When referencing an external DTD (one not on the current file system), you must supply a(n) ____ for locating the DTD.
A.URL
B.domain name
C.IP address
D.element

Question 47

Which of the following attribute types describes any sequence of character in a DTD?
A.#REQUIRED
B.#IMPLIED
C.CDATA
D.ATTLIST

Question 48

The #PCDATA rule means ____________.
A.the children can consist of any numeric data.
B.the children can consist of 0 or more elements.
C.the children can consist of any character data.
D.any children allowed.

Question 49

In XML, a DTD is introduced with the ___________ declaration.
A.FIXED
B.REQUIRED
C.IMPLIED
D.DOCTYPE

Question 50

Given the following DTD expression, which section element is valid?

Question 51

Which of the following represents the declaration of a DTD contained within the XML document?
A.
B.
C.
D.

Question 52

The XML encoding for the ">" character is:
A.&gr;
B.&greaterThan;
C.>
D.<

Question 53

Using the grammar notation in your textbook, the expression means:
A."digit must be equal to 012"
B."digit can be replaced with 1 or 2"
C."digit must start with 0 then 1 then 2"
D."digit can be replaced with 0 or 1 or 2"

Question 54

What package will you use to import DocumentBuilder?
A.javax.swing.DocumentBuilder
B.javax.xml.DocumentBuilder
C.javax.parsers.DocumentBuilder
D.javax.xml.parsers.DocumentBuilder

Question 55

Why is generating an XML file as a sequence of print statements not a good idea?
A.It takes up more memory to generate an XML document
B.It makes it easy to build an illegal XML document
C.It skips random lines of code, thus not building the desired XML document
D.It is easy to save the XML document in the wrong place

Question 56

The XML encoding & is the replacement for the ____ character.
A.@
B.!
C.%
D.&

Question 57

A ____________ is a sequence of rules that describes the valid attributes for each element and the valid child elements for each element type.
A.DOM
B.Protocol
C.DTD
D.Data Definition Type

Question 58

How can a DTD specify that a course child element in a semester element is optional?
A.
B.
C.
D.

Question 59

What package will you use to import Document?
A.javax.swing.Document
B.org.w3c.xml.Document
C.javax.parsers.Document
D.org.w3c.dom.Document

Question 60

An EMPTY element is:
A.an element that may have zero or more children.
B.an element that has no value.
C.an element whose value is the null string.
D.an element that may not have any children.

Question 61

Which definition in an XML schema restricts the contents of quantity to an integer?
A.
B.
C.
D.

Question 62

In an attribute definition in a DTD, a #FIXED declaration of V means ____________.
A.the attribute must be either unspecified or contain V.
B.the attribute is unspecified.
C.the attribute is optional.
D.the attribute is required.

Question 63

How does an XML document reference a DTD?
I The document may contain the DTD
II The document may refer to a DTD that is stored elsewhere
III The document may be set to the DTD
A.Only I
B.Only II
C.I and II
D.I and III

Question 64

In an attribute definition in a DTD, an #IMPLIED declaration means ____________.
A.the attribute is valid.
B.the attribute is required.
C.the attribute is optional.
D.the attribute is implied.

Question 65

When you parse an XML file with a DTD, ____________.
A.you should tell the parser to ignore the white space.
B.you don't need to request validation.
C.you should supply the URL for locating the DTD.
D.your should tell the parser to convert all white space to text.

Question 66

The symbol #PCDATA refers to text, called "parsed character data." What does it mean?
A.It parses the data into characters
B.It automatically replaces special characters
C.The character data can contain any characters
D.Declares any character for the attributes

Question 67

Suppose price is an element and currency is an attribute, to represent that a price element must contain currency, we must specify ____ .
A.
B.
C.
D.

Question 68

What is one reason to have the DOM parser ignore white space in an XML document?
A.White space may make the element names invalid.
B.The parser will otherwise make unneeded nodes of the white space.
C.The parser will otherwise add white space to the elements.
D.White space cannot be streamed.

Question 69

The method setIgnoringElementContentWhitespace is in the _____ class:
A.DocumentDataDefinition
B.DocumentFactory
C.DocumentFactoryBuilder
D.DocumentBuilderFactory

Question 70

When referencing an external DTD (one not on the current file system), you must ____________.
A.supply a DOCTYPE.
B.supply a URL.
C.supply both DOCTYPE and URL.
D.use the SYSTEM reserved word.

Question 71

A number of useful advanced XML technologies have been standardized.Among them is:
A.HTML
B.HXML
C.XHTML
D.W3C

Question 72

In an attribute definition in a DTD, a V declaration means ____________.
A.use the value V or a value that contains V.
B.use the value V if the attribute is unspecified.
C.use the value V if the attribute is optional.
D.use the value V if the attribute is required.

Question 73

For elements that contain text, the DTD rule is:
A.
B.
C.
D.

Question 74

Mixed content is ____________.
A.any sequence of numeric data and character data.
B.any sequence of character data followed by character data.
C.any sequence of character data and specified elements.
D.any sequence of numeric data and specified elements.