Deck 7: Creating Element Groups

Question 1

Templates with no mode attribute are applied to the specified node set.

Answer 1

True

Question 2

The first step in using extensions is to define an extension's namespace within the root element.

Answer 2

False

Question 3

In a step pattern, to go in a different direction from the context node you change the node-test value.

Answer 3

False

Question 4

You can use the generate-id() function to create links for specific locations within a web page.

Question 5

In a predicate, the expressions are resolved relative to the context node.

Question 6

The key() function cannot be used with data from external documents.

Question 7

The node-test part of the step pattern specifies the direction the XSLT processor should move.

Question 8

Keys can be thought of as generalized IDs, without their limitations.

Question 9

All IDs belong to the same index, even if they are associated with different attributes.

Question 10

When an XSLT processor encounters two templates with the same name, it uses the last one defined in the style sheet.

Question 11

To create a template for a particular node, include the mode attribute in the opening tag.

Question 12

To reverse a node set, you use the XPath reverse() function.

Question 13

The default value for the axis portion of the step pattern is self .

Question 14

Traditional IDs, such as Social Security numbers or ISBNs, are commonly declared as ID attributes in DTDs.

Question 15

A DTD provides a way to uniquely identify a particular item in the source document.

Question 16

You can support processors that do not recognize an extension element or attribute by using the fallback element.

Question 17

A community of XSLT developers created a standard collection of extension elements and extension functions called EXSLT .

Question 18

Generated IDs are useful when the link has to reference an external page or website, but not for hypertext links within a single page.

Question 19

IDs can be associated only with elements .

Question 20

Keys are declared in the style sheet, not in the DTD of the source document.

Question 21

The _____ attribute provides a way to uniquely identify a particular item in the source document.

A) title
B) unique
C) ID
D) object

Question 22

When two templates can be applied to the same node set, you distinguish them by adding the _____ attribute within the tag.

A) mode
B) node
C) distinct
D) name

Question 23

The syntax for declaring a required ID attribute is _____.

A)
B)
C)
D)

Question 24

In a step pattern, the _____ specifies the direction in which the processor should move through the node tree.

A) predicate
B) node test
C) axis
D) template

Question 25

To declare an ID attribute as optional in the source document's DTD, use the expression _____.

A)
B)
C)
D)

Question 26

The accompanying figure shows a sample node set, with the context node shaded blue. In each image, the objects in the node set that are selected by a specific step pattern axis value are numbered and shaded in red. Which axis value is represented by image D?

A) descendant
B) child
C) following
D) following-sibling

Question 27

If you designate one node set as $n1 and the other as $n2 , the expression: generate-id($n1) = generate-id($n2) returns a value of _____ if the node set referenced by $n1 is the same as the node set referenced by $n2 .

A) false
B) union
C) true
D) implied

Question 28

The accompanying figure shows a sample node set, with the context node shaded blue. In each image, the objects in the node set that are selected by a specific step pattern axis value are numbered and shaded in red. Which axis value is represented by image A?

A) ancestor-or-self
B) ancestor
C) preceding
D) preceding-sibling

Question 29

The accompanying figure shows a sample node set, with the context node shaded blue. In each image, the objects in the node set that are selected by a specific step pattern axis value are numbered and shaded in red. Which axis value is represented by image G?

A) following
B) descendant
C) following-sibling
D) preceding-sibling

Question 30

In the generate-id() function, if you omit the node set argument, the function _____.

A) is applied to the current context node
B) is applied to the root node
C) is applied to all nodes
D) returns an error

Question 31

The XML processor creates a(n) _____ that matches each element to a specific ID.

A) index
B) library
C) path
D) attribute

Question 32

Once you generate the list of unique values, you can use the _____ element to write code to the result document for each unique value.

A) namespace
B) stylesheet
C) apply-templates
D) template

Question 33

The general syntax of a step pattern is _____.

A) axis::predicate[node-test]
B) axis[node-test::predicate]
C) axis::node-test[predicate]
D) axis[predicate::node-test]

Question 34

ID attributes must be valid XML names and, therefore, they cannot contain _____ or begin with numbers.

A) spaces
B) underscores
C) capital letters
D) mixed case letters

Question 35

The _____ function returns a node-set that matches a specified value from a key index.

A) index()
B) key()
C) return()
D) id()

Question 36

To generate an ID that identifies a specific node or node set within the source document, XPath provides the _____ function.

A) create-id()
B) set-id()
C) generate-id()
D) node-id()

Question 37

The accompanying figure shows a sample node set, with the context node shaded blue. In each image, the objects in the node set that are selected by a specific step pattern axis value are numbered and shaded in red. Which axis value is represented by image J?

A) preceding-sibling
B) preceding
C) ancestor
D) following-sibling

Question 38

In a step pattern, the _____ defines properties of the node to be matched.

A) node test
B) predicate
C) axis
D) template

Question 39

The abbreviated form of the step pattern self::node() is _____.

A) )
B) ).
C) )./
D) /

Question 40

The accompanying figure shows a sample node set, with the context node shaded blue. In each image, the objects in the node set that are selected by a specific step pattern axis value are numbered and shaded in red. Which axis value is represented by image F?

A) following-sibling
B) descendant
C) ancestor
D) following

Question 41

Keys have _____ as well as values, allowing the style sheet author to create multiple distinct keys rather than rely on a single index.

A) names
B) namespaces
C) IDs
D) attributes

Question 42

In XPath 1.0, you cannot use the document() function or variables in a key element's _____ attribute.

A) use
B) name
C) match
D) select

Question 43

The following expression uses a _____ key() function to return the count of all property elements from the city of Longmont: count(key("cityNames", "Longmont") ) .

A) compound
B) recursive
C) nested
D) complex

Question 44

The _____ step to employ Muenchian grouping is to add the following expression to the select attribute of a for-each or an apply-templates element: node set[generate-id() =generate-id(key(name,expression) [1]) ] .

A) first
B) second
C) third
D) fourth

Question 45

The key value itself does not have to be entered explicitly; it can also be inserted as a(n) _____ to a node in the source document.

A) pointer
B) reference
C) extension
D) ancestor

Question 46

To create a key, add the key element at the top level of the style sheet as a child of the _____ element.

A) xml
B) stylesheet
C) root
D) output

Question 47

Many XSLT processors support extension _____ that extend the data types associated with XSLT attributes.

A) functions
B) elements
C) attributes
D) attribute values

Question 48

The first step in using extensions is to define an extension's namespace within the _____ element.

A) root
B) stylesheet
C) template
D) output

Question 49

The expression to select the first property element from the city of Longmont is _____.

A) key("cityNames", "Longmont") [1]
B) key("cityNames", "Longmont") [0]
C) key("Longmont", "cityNames") [1]
D) key("Longmont", "cityNames") [0]

Question 50

The _____ math extension functions in EXSLT calculates the nodes with the lowest value in node-set .

A) math.lowest( node-set )
B) math.min( node-set )
C) math.floor( node-set )
D) math.bottom( node-set )

Question 51

When a processor encounters an extension element it does not recognize, it searches inside of that element for the _____ element.

A) fallback
B) else
C) default
D) catch

Question 52

The _____ step to employ Muenchian grouping is to create a key for the element or attribute that you want to group using the key element.

A) first
B) second
C) third
D) fourth

Question 53

If you want to use keys with an external document, you have to first change the _____ node so that it points to a location path within that document.

A) root
B) target
C) parent
D) context

Question 54

The _____ attribute tells the XSLT processor which prefixes to regard as prefixes for extensions.

A) prefixes
B) extension-prefixes
C) extension-element-prefixes
D) xmlns

Question 55

The key() function can also be used with a(n) _____ to select a specific node from a node set.

A) ID
B) index
C) predicate
D) DTD

Question 56

You can test whether a processor supports a particular extension element or attribute using the _____ function

A) element-available()
B) available()
C) test-element()
D) element-check()

Question 57

If you find it difficult to work with recursive templates, you can instead create loops in Saxon using the _____ extension.

A) loop
B) while
C) for-each
D) do-until

Question 58

You can have your processor test whether it supports a particular extension function using the _____ function.

A) function-available()
B) available()
C) test-function()
D) function-check()

Question 59

The _____ step to employ Muenchian grouping is to reference the group value using expression  where expression is the element or attribute used to group the node set.

A) first
B) second
C) third
D) fourth

Question 60

Keys are declared in the _____.

A) DTD
B) source document
C) namespace
D) style sheet

Question 61

_____ are location paths that allow the processor to move freely around the node tree in any direction.

Question 62

Craig is working to develop an XSLT application to display election results, using XML files with the structures shown in the accompanying figure. He has heard that you have experience developing applications, and comes to you for guidance.
Now that the candidatesDoc variable has been created, Craig would like to define a key named cKey based on the values of the candidateID attribute for the candidate. Which of the following do you tell him shows the correct syntax to use to define this key?

A)
B)
C)
D)

Question 63

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
Sandra would like to write an expression to show only those orders that have a preceding sibling containing the same orderDate . Which of the following do you tell her is the correct expression?

A) orderDate=preceding::order/orderDate
B) not(orderDate=preceding::order/orderDate)
C) orderDate=ancestor::order/orderDate
D) not(orderDate=ancestor::order/orderDate)

Question 64

The _____ function returns a node set based on IDs defined in the document's DTD.

Question 65

_____ is the processor used by Internet Explorer.

A) IEXML
B) MSXSLT
C) MSXML
D) IEXSLT

Question 66

The _____ is an index based on a node specified in the match attribute using the values from a node specified in the use attribute.

Question 67

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
Sandra would like to write an abbreviated expression to select the parent of the current context node. Which of the following do you tell her is the correct abbreviated expression?

A) )
B) ).
C) )./
D) *

Question 68

_____ is a programming technique in which nodes are grouped based on unique values taken from a key index matched to unique IDs created by the generate-id() function.

Question 69

Ancestor nodes have the same relation to parent nodes that _____ nodes have to child nodes.

Question 70

The _____ function returns a node-set that matches a specified value from a key index.

Question 71

Craig is working to develop an XSLT application to display election results, using XML files with the structures shown in the accompanying figure. He has heard that you have experience developing applications, and comes to you for guidance.
Craig would like to be able to use data from both documents in his application. You suggest he create variables that will allow him to pull the node sets from both files. Which of the following shows the correct syntax to create a variable named candidatesDoc to reference the root node of the candidates.xml file?

A)
B)
C)
D)

Question 72

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
Sandra would like to write an expression to create a node set of all the items elements. Which of the following do you tell her is the correct expression?

A) orders::order/items
B) items=order/items
C) orders/order[items]
D) orders::order/@items

Question 73

Craig is working to develop an XSLT application to display election results, using XML files with the structures shown in the accompanying figure. He has heard that you have experience developing applications, and comes to you for guidance.
Now that the precinctNames key has been declared, Craig would like to use it to return a count of all votes from the precinct of Ceylon. Which of the following functions do you suggest he use to do this?

A) count(key="precinctNames" select="Ceylon")
B) count(key("precinctNames", "Ceylon") )
C) count::precinctNames//"Ceylon"
D) key("precinctNames", count("Ceylon") )

Question 74

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
Sandra would like to write an expression to select the third order element that follows the context node as a sibling. Which of the following do you tell her is the correct expression?

A) sibling::order[3]
B) following::order[3]
C) sibling-or-self::order[3]
D) following-sibling::order[3]

Question 75

Craig is working to develop an XSLT application to display election results, using XML files with the structures shown in the accompanying figure. He has heard that you have experience developing applications, and comes to you for guidance.
Craig used the code you suggested to create the cKey key. However, he says he encountering problems when he tries to use this key to actually display data from the candidates.xml external file using the key. You explain to him that he will have to explicitly change the context node to the root element of the candidates.xml file first using a _____ element.

A) root
B) for-each
C) context
D) value-of

Question 76

Craig is working to develop an XSLT application to display election results, using XML files with the structures shown in the accompanying figure. He has heard that you have experience developing applications, and comes to you for guidance.
Craig would like to add a key named precinctNames based on each votes element's precinct name. Which of the following elements do you recommend he add to the style sheet to create the key with the correct syntax?

A)
B)
C)
D)

Question 77

Sandra is working with an XML file containing product orders with the structure shown in the accompanying figure. She was just introduced to step patterns, and would like to incorporate them into the style sheet she is developing to display the orders data. She comes to you for help in developing expressions incorporating step patterns.
Sandra would like to write an expression that moves up the node tree from the context node, selecting all of the elements that are order elements for the customer with the ID jbrown2738. Which of the following do you tell her is the correct expression?

A) ancestor::order[custID="jbrown2738"]
B) preceding::order[custID="jbrown2738"]
C) parent::order[custID="jbrown2738"]
D) descendant::order[custID="jbrown2738"]

Question 78

The _____ provides an expression that the node value should match.

Question 79

The _____ function generates a unique ID for a specified node set.

Question 80

One useful tool for debugging a style sheet is the XSLT 1.0 _____ element.

A) watch
B) message
C) token
D) breakpoint