Deck 13: Working With Basic Schemas

Question 1

Unlike DTDs, schemas do not use a single standard._________________________

Answer 1

True

Question 2

The accompanying figure shows the xs:ID data type applied to the stuID attribute._________________________

Answer 2

True

Question 3

XML Schema allows for ample flexibility in the date and time format.

Answer 3

False

Question 4

The xs:float data type is a double precision floating point number._________________________

Question 5

XML Schema supports a collection of built-in data types, but does not allow users to define their own.

Question 6

When the mixed attribute is set to the value "true," XML Schema assumes that the element contains both text and child elements._________________________

Question 7

To specify the number of occurrences for a particular character or group of characters,
a(n)quantifier can be appended to a character type or set._________________________

Question 8

User-derived data types fall into three categories: list, union, and restriction._________________________

Question 9

Given the accompanying figure, because the ID data type is built into the XML Schema, all elements and attributes from the XML Schema vocabulary must be identified using the xs namespace prefix.

Question 10

XML Schema was created to replicate all DTD functionality in a schema; it does not support any data types beyond what can be found in DTDs.___________________________________

Question 11

Schemas do not allow numeric data types._________________________

Question 12

When data values belong to a range rather than a set of values, you can create a list of possible values using the enumeration element.

Question 13

A regular expression is a text string that defines a character pattern.

Question 14

The choice compositor requires that child elements must appear either only once or not at all.

Question 15

XML Schema divides its user-derived data types into two classes: primitive and derived._________________________

Question 16

A schema is an XML document that contains validation rules for an XML vocabulary.

Question 17

Attributes use the same collection of data types that simple type elements do.

Question 18

The namespace prefix in the accompanying figure is xs.

Question 19

The code to specify the location of the schema file depends on whether the instance document has been placed in a namespace.

Question 20

The root element in any XML Schema document is the main element._________________________

Question 21

The item indicated with the arrow in the accompanying figure is the XML Schema namespace ____.

A) URL
B) URC
C) URI
D) URR

Question 22

To specify that an element contains both text and child elements, add the ____ attribute to the of an element.

A) double
B) multiple
C) aggregate
D) mixed

Question 23

____ is the most widely adopted schema standard.

A) DDML
B) RELAX
C) TREX
D) XML Schema

Question 24

The ____ compositor allows any of the child elements to appear in any order in the instance document.

A) target
B) sequence
C) all
D) choice

Question 25

As shown in the accompanying figure, examples of a(n)____ type of content are the value of an attribute or the textual content of an element.

A) aggregated
B) integrated
C) simple
D) complex

Question 26

Perhaps the most commonly used data type in XML Schema is ____.

A) sequence
B) choice
C) empty
D) string

Question 27

DTDs employ a syntax called ____, which is different from the syntax used for XML.

A) SQL
B) EBNF
C) PHP
D) Perl

Question 28

A file written in XML Schema typically ends with the ____ file extension.

A).xsd
B).xst
C).xsl
D).xs

Question 29

The maxOccurs attribute can have a value of ____ for unlimited occurrences of the child element.

A) unlimited
B) max
C) 100
D) unbounded

Question 30

The ____ data type allows an element to contain any text string.

A) pcdata
B) text
C) alpha
D) string

Question 31

The ____ and extension elements are important tools used by XML Schema to derive new data types and design complex content models.

A) additive
B) simpleContent
C) integrated
D) extensible

Question 32

If an element contains attributes, you have to extend the simple content model to include attributes through the use of the <____> tag.

A) extension
B) extensible
C) additive
D) integrated

Question 33

As shown in the accompanying figure, XML Schema supports ____ types of content.

A) two
B) three
C) four
D) six

Question 34

The ____ value of the use attribute means that the attribute cannot be used with the element.

A) forbid
B) preclude
C) prohibited
D) excluded

Question 35

The ____ compositor defines a specific order for the child elements.

A) choice
B) all
C) target
D) sequence

Question 36

By convention, the namespace prefix ____ is assigned to the XML Schema namespace in order to identify elements and attributes that belong to the XML Schema vocabulary.

A) xsl
B) xst
C) xsm
D) xsd

Question 37

As shown in the accompanying figure, examples of a(n)____ type of content are elements that contain attributes or elements that contain child elements.

A) simple
B) aggregated
C) complex
D) integrated

Question 38

If both the maxOccurs and minOccurs attributes are missing, the element is assumed to occur ____.

A) zero times
B) once
C) twice
D) three times

Question 39

An attribute is an example of a(n)____ type.

A) simple
B) complex
C) integrated
D) aggregated

Question 40

To indicate whether an attribute is required, you add the ____ attribute to the element declaration or reference.

A) optional
B) require
C) use
D) attach

Question 41

A list data type uses ____ as the delimiter.

A) commas
B) tabs
C) white space
D) any of the above

Question 42

Date values must be entered in the format ____.

A) yyyymmdd
B) yymmdd
C) yyyy-mm-dd
D) yy/mm/dd

Question 43

The ____ facet has three values: preserve, replace, and collapse.

A) whiteSpace
B) length
C) maxExclusive
D) pattern

Question 44

According to the data types defined in the accompanying figure, what is the form that the unique IDs must take?

A) SI###-###-###
B) AAA###-###-#
C) SI###-###-##
D) A###-###-#

Question 45

The ____ character type is a word character.

A) \w
B) \W
C) \B
D) \b

Question 46

With the xs:float data type, non-numeric values can be represented by ____.

A) INF
B) NaN
C) BIN
D) 0

Question 47

According to the accompanying figure, the stuID values must follow the rules of what data type?

A) degreeType
B) siType
C) simple
D) string

Question 48

A ____ is a text string of word characters around a word.

A) pattern value
B) concatenation
C) precursor
D) boundary

Question 49

Which of the following is a category of data type in XML Schema?

A) common
B) built-in
C) static
D) dynamic

Question 50

A ____ can be appended to a character type or set to specify the number of occurrences for a particular character or group of characters.

A) certificate
B) quantifier
C) scope
D) model group

Question 51

The ____ facet specifies the maximum number of decimal places to the right of the decimal point in the data type's value.

A) pattern
B) enumeration
C) fractionDigits
D) length

Question 52

Derived data types share many of the same characteristics as the ____ data types they are derived from, but with one or two additional restrictions or modifications.

A) token
B) dynamic
C) string
D) primitive

Question 53

The ____ facet constrains the data type to a specified list of values.

A) length
B) enumeration
C) member
D) pattern

Question 54

The ____ data type is a text string containing valid XML names with no white space.

A) xs:string
B) xs:token
C) xs:NMTOKEN
D) xs:IDREFS

Question 55

A base type is one of ____ fundamental data types not defined in terms of other types.

A) 15
B) 19
C) 25
D) 29

Question 56

The ____ facet specifies the maximum number of decimals in the data type's value.

A) fractionDigits
B) totalDigits
C) whiteSpace
D) pattern

Question 57

Instead of a pattern involving specific characters, you usually want a more general pattern involving ____ types that represent different kinds of characters.

A) entity
B) character
C) decimal
D) facet

Question 58

A primitive data type is also known as a ____ type.

A) main
B) base
C) key
D) indexed

Question 59

A ____ expression is a text string that defines a character pattern.

A) stated
B) defined
C) regular
D) base

Question 60

The ____ data type is a text string similar to the NMTOKEN data type, except that names must begin with a letter or the character ":" or "-".

A) xs:token
B) xs:ENTITY
C) xs:Name
D) xs:NCName

Question 61

You teach Judy about the differences between simple and complex data types.Which of the following would NOT require a complex type?

A) an element containing only text
B) an empty element containing attributes
C) an element containing child elements
D) an element containing child elements and an attribute

Question 62

The ____________________ value of the use attribute means that the attribute must always appear with the element.

Question 63

DTDs employ a syntax called _________________________.

Question 64

Judy has an attribute called "recipeType" that she uses to record whether the recipe is for an appetizer, entree, dessert, or other type of dish.This attribute only contains text.Which of the following would be a valid XML schema definition for this attribute?

A) recipeType
B)
C) recipeType
D)

Question 65

Judy would like to add a definition for an attribute called "substitution" to the element definition from the previous problem.It will indicate a possible substitution for the ingredient specified by the element.Where should the definition of this attribute appear in the element definition?

A) within the definition of the element
B) between the lines for and
C) between the lines for and
D) between the lines for and

Question 66

The ____________________ value of the use attribute means that the use of the attribute is optional with the element.

Question 67

Judy would like to indicate that the substitution attribute mentioned in the previous problem is a required attribute.Which of the following attribute definitions shows how to accomplish this?

A)
B)
C)
D)

Question 68

Judy has an element called "recipeName" that she uses to record the name of a recipe.This element only contains text.Which of the following would be a valid XML schema definition for this element?

A) recipeName
B) recipeName
C)
D)

Question 69

The string data type is ____________________ data type, which is part of the XML Schema language.

Question 70

Which of the following is NOT an advantage of schemas over DTDs?

A) They are more flexible than DTDs in dealing with mixed content.
B) They support more data types than DTDs.
C) They provide better support for namespaces.
D) They are simpler to create and maintain.

Question 71

A(n)____________________ type contains a single value in XML Schema.

Question 72

In her definition of the recipe element, Judy would like to reference the existing definition of the ingredient element.Which of the following element declarations accomplishes this?

A)
B)
C)
D)

Question 73

The arrow in the accompanying figure points to the XML Schema ____________________.

Question 74

Judy has included the following element definition in her schema:








What type of element is ingredient?

A) an element containing only attributes
B) an element with nested children
C) an element with nested elements and attributes
D) a sequence element

Question 75

You tell Judy that there are multiple vocabularies available for schema.Which of them is the most widely adopted?

A) XML Data
B) XML Schema
C) Regular Language for XML
D) Schematron

Question 76

A(n)____ complex type has no name attribute used in the opening tag.

A) empty
B) named
C) anonymous
D) global scope

Question 77

Judy would like to indicate that the ingredient element must appear at least once in a recipe, and that it cannot appear more than 20 times.Which of the following should she add to the element declaration to indicate these restrictions?

A) occurs="1:20"
B) occurs="[1:20]"
C) use="1:20"
D) minOccurs="1" maxOccurs="20"

Question 78

The XML document to be validated is called the ____________________ document.

Question 79

Which of the following is a valid ID according to the accompanying figure?

A) SI333-567-88
B) M97-56-344
C) SI789-456
D) Any of the above

Question 80

A(n)____________________ type contains two or more values placed within a defined structure in XML Schema.