True/False
Indicate whether the sentence or statement is true
or false.
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1.
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One
way to create a valid document is to design a DOC for the document.
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2.
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There
can be at most two DOCTYPE declarations in an XML document.
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3.
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In
some cases, the DTD for an XML vocabulary is placed in several locations.
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4.
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DTDs
cannot be built into the XML parser.
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5.
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When
a Web browser reads a file, it may have built-in code that corresponds to the XHTML strict DTD or it
may have a specific location of its own from which it retrieves the DTD.
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6.
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Most
standard XML vocabularies like XHTML and RSS have system identifiers.
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7.
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Most
customized XML vocabularies have public identifiers.
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8.
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Internal and external DTDs work the same way as embedded and external style
sheets.
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9.
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An
XML environment composed of several documents and vocabularies is likely to use internal DTDs but not
external DTDs.
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10.
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It is
not required that all elements be declared in the DTD in a valid document.
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11.
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An
element type declaration cannot specify the order in which elements appear in the
document.
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12.
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Generally, elements contain parsed character data or child elements.
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13.
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Allowing an element to contain any type of content is a popular strategy for document
validation.
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14.
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The
simplest form for the listing of child elements consists of a single child element associated with a
parent.
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15.
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You
cannot specify duplicates of the same element in a content model.
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16.
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It is
very common to specify the exact number of duplicate elements in a content model.
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17.
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The
four modifying symbols available can modify entire element sequences or choices
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18.
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The
order of declarations in a DTD is critical; they must be inserted in the order in which the elements
appear in the document.
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19.
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While
very flexible, elements with mixed content do not add much defined structure to a
document.
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20.
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You
can use element declarations to constrain the order in which child elements appear as well as the
number of occurrences for each element.
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21.
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Declarations for elements with multiple attributes are often easier to interpret if
the attributes are declared separately rather than in one long declaration.
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22.
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Attribute-list declarations can be located anywhere within the document type
declaration
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23.
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Attribute values do not allow you to control the format of the character
data.
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24.
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Any
ID attribute in any element is a candidate for an ID reference.
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25.
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You
can specify that an XML parser limit its search to only particular elements or
attributes
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26.
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Unlike with the IDREF token, all of the IDs listed in an IDREFS token must be found in
an ID attribute located somewhere in the file, or parsers will reject the document as
invalid
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27.
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The
figure above shows a validating parser.
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28.
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To
test for validity, an XML parser must be able to compare your XML document with the rules you set up
in the DTD.
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29.
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You
can declare a namespace and apply it to a DTD in the same way that you can use an @namespace rule
with a CSS style sheet.
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Modified True/False
Indicate
whether the sentence or statement is true or false. If false, change the identified word or
phrase to make the sentence or statement true.
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30.
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A DTD
can be used to enforce a specific data structure on a document.
_________________________
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31.
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The
DOCTYPE declaration has to be added to a document epilog.
_________________________
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32.
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External subsets have three types of locations.
_________________________
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33.
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If a
document contains both an internal and external subset, the external subset has precedence.
_________________________
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34.
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In a
valid document, every element must be declared in the DTD.
_________________________
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35.
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The
NULL content model is reserved for elements that store no content.
_________________________
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36.
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Empty
content declared as pcdata does not allow for child elements.
_________________________
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37.
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Since
XML documents follow a hierarchical tree structure, you must declare the child elements of any
parent. _________________________
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38.
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A
modifying symbol is placed directly before the element it modifies.
_________________________
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39.
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It is
best not to work with mixed content if you want a tightly structured document.
_________________________
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40.
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If a
processor encounters more than one declaration for the same attribute, it ignores the first
statement. ___________________________________
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41.
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NMTOKEN is the simplest form for attribute text.
_________________________
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42.
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To
indicate that an attribute value must be an integer or number, you must use schemas.
_________________________
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43.
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A(n)
name token must have a value equal to the value of an ID attribute located somewhere in the
same document. _________________________
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44.
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The
name token enables an XML document to contain cross-references between one element and
another. _________________________
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45.
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If
you want to make sure that an attribute value is always a valid XML name, you can use the
IDREF type instead of the CDATA type. _________________________
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46.
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The
#FIXED attribute default is used to indicate that the use of an attribute is optional.
_________________________
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47.
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You
can apply a namespace to a DTD in the same way that you can use an @namespace rule with a CSS
style sheet. _________________________
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48.
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Including a namespace in the DTD in order to make the document valid is usually done
using a dynamic data type for the namespace’s URL.
_________________________
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Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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49.
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A
____ is a collection of rules that define the content and structure of an XML
document. a. | data
structure | c. | XMLNS | b. | DTD | d. | validity glossary | | | | |
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50.
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One
way to create a valid document is to design a ____ for the document. a. | data
structure | c. | XMLNS | b. | DTD | d. | validity glossary | | | | |
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51.
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A DTD
is entered into the document in a statement called a document ____ declaration. a. | basis | c. | index | b. | element | d. | type | | | | |
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52.
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The
DOCTYPE declaration has to be added to the document ____, after the XML declaration and before the
document’s root element. a. | prolog | c. | body | b. | epilog | d. | Any of the above | | | | |
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53.
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How
many DOCTYPE declarations are there in an XML document? a. | 1 | c. | 3 | b. | 2 | d. | There is no limit. | | | | |
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54.
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You
can divide a DTD into ____ parts. a. | two | c. | five | b. | three | d. | seven | | | | |
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55.
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Which
of the following is a part into which a DTD can be divided? a. | internal
subset | c. | root
element | b. | system identifier | d. | public identifier | | | | |
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56.
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Which
of the following is a part into which a DTD can be divided? a. | element
declaration | c. | external
subset | b. | strict declaration | d. | root element | | | | |
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57.
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External subsets have ____ types of locations.
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58.
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Which
of the following is a type of location for an external subset? a. | internal | c. | qualified | b. | undeclared | d. | system | | | | |
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59.
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Which
of the following is a type of location for an external subset? a. | public | c. | qualified | b. | undeclared | d. | internal | | | | |
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60.
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For a
system DTD, a system ____ allows you to specify the location of an external subset. a. | identifier | c. | index | b. | qualifier | d. | locator | | | | |
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61.
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Most
standard XML vocabularies have ____ identifiers. a. | public | c. | system | b. | strict | d. | master | | | | |
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62.
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An
element ____ declaration specifies an element’s name and indicates what kind of content the
element can contain. a. | content | c. | type | b. | model | d. | detail | | | | |
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63.
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An
element declaration can specify which of the following? a. | an
element’s name | b. | what kind of content the element can
contain | c. | the order in which elements appear in the
document | d. | All of the above | | |
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64.
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Element names can contain which of the following? a. | reserved
symbols | c. | numbers | b. | spaces | d. | All of the above | | | | |
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65.
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There
are ____ possible values for the content model in an element declaration.
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66.
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The
____ value for the content model in an element declaration does not place any restrictions on the
element’s content. a. | ANY | c. | #PCDATA | b. | EMPTY | d. | Mixed | | | | |
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67.
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The
____ value for the content model in an element declaration means an element cannot store any
content. a. | EMPTY | c. | NONE | b. | NULL | d. | Mixed | | | | |
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68.
|
The
____ value for the content model in an element declaration means the element can contain only parsed
character data. a. | Parsed | c. | #PCDATA | b. | Mixed | d. | Elements | | | | |
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69.
|
The
____ value for the content model in an element declaration means the element can contain only child
elements. a. | PCDATA | c. | Mixed | b. | ANY | d. | Elements | | | | |
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70.
|
The
____ value for the content model in an element declaration means the element can contain both parsed
character data and child elements. a. | Mixed | c. | #PCDATA | b. | Elements | d. | BOTH | | | | |
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71.
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The
most general type of content model is ____. a. | #PCDATA | c. | ANY | b. | mixed | d. | EMPTY | | | | |
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72.
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The
____ content model allows an element to store any type of content. a. | OPEN | c. | #PCDATA | b. | mixed | d. | ANY | | | | |
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73.
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The
declaration ____ in the DTD would allow the products element to contain any type of
content. a. | <!ELEMENT
products (#PCDATA)> | c. | <!ELEMENT
products mixed> | b. | <!ELEMENT products EMPTY> | d. | <!ELEMENT products ANY> | | | | |
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74.
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The
declaration ____ would permit this element in an XML document: <name>Lea
Ziegler</name>. a. | <!ELEMENT products
(#CHAR)> | c. | <!ELEMENT
products EMPTY> | b. | <!ELEMENT products ALL> | d. | <!ELEMENT name (#PCDATA)> | | | | |
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75.
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A
____ symbol specifies the number of occurrences of each element. a. | specifying | c. | count | b. | quantifier | d. | modifying | | | | |
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76.
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There
are ____ modifying symbols. a. | two | c. | five | b. | three | d. | seven | | | | |
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77.
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Which
of the following is a modifying symbol? a. | ^ | c. | * | b. | & | d. | All of the above | | | | |
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78.
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The
____ symbol indicates that an element occurs zero or one time.
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79.
|
The
____ symbol indicates that an element occurs at least once.
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80.
|
The
____ symbol indicates that an element occurs 0 times or more.
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81.
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When
the ____ symbol is used with a choice list, the element can contain any number of occurrences of
child elements or pcdata, or it can contain no content at all.
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82.
|
Which
of the following is accomplished by an attribute-list declaration? a. | It lists the
names of all the attributes associated with a specific element. | b. | It specifies the
data type of each attribute. | c. | It indicates whether each attribute is required or
optional. | d. | All of the above | | |
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83.
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The
attributes of the attribute value type ____ contain lists of possible attribute
values. a. | CDATA | c. | enumerated
list | b. | IDREFS | d. | NMTOKENS | | | | |
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84.
|
The
attributes of the attribute value type ____ contain unique text strings. a. | IDREF | c. | ENTITY | b. | ID | d. | NMTOKENS | | | | |
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85.
|
The
attributes of the attribute value type ____ contain references to ID values. a. | IDREF | c. | IDREFS | b. | ID | d. | ENTITY | | | | |
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86.
|
The
attributes of the attribute value type ____ contain lists of ID values separated by white
space. a. | ENTITY | c. | NMTOKEN | b. | IDREFS | d. | CDATA | | | | |
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87.
|
The
attributes of the attribute value type ____ contain references to an external unparsed
entity. a. | ENTITY | c. | NMTOKEN | b. | ENTITIES | d. | NMTOKENS | | | | |
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88.
|
The
attributes of the attribute value type ____ contain a list of entities separated by white
space. a. | ENTITY | c. | ENTITIES | b. | enumerated list | d. | ID | | | | |
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89.
|
The
attributes of the attribute value type ____ contain an accepted XML name. a. | ID | c. | IDREF | b. | NMTOKEN | d. | ENTITY | | | | |
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90.
|
The
attributes of the attribute value type ____ contain a list of XML names separated by white
space. a. | IDREFS | c. | NMTOKENS | b. | ENTITIES | d. | enumerated list | | | | |
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91.
|
____
is the simplest form for attribute text. a. | ID | c. | CDATA | b. | IDREFS | d. | NMTOKENS | | | | |
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92.
|
Specifying character data allows an attribute to contain almost any data except
characters including ____. a. | > | c. | & | b. | < | d. | All of the
above | | | | |
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93.
|
Which
of the following is a kind of token supported by a DTD? a. | schemas | c. | name
tokens | b. | attribute declarations | d. | notations | | | | |
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94.
|
Attributes can contain multiple IDs and IDREFs, placed in lists, with each entry
separated by ____. a. | commas | c. | white space | b. | tabs | d. | parentheses | | | | |
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95.
|
Once
an ID value has been declared in a document, other attribute values can reference to it using the
____ token. a. | name | c. | IDREF | b. | entity | d. | value | | | | |
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96.
|
The
NMTOKEN data types cannot contain ____. a. | hyphens | c. | white space | b. | colons | d. | Any of the
above | | | | |
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97.
|
The
____ attribute default means that the attribute must appear with every occurrence of the
element. a. | #MANDATED | c. | #REQUIRED | b. | #FIXED | d. | #IMPLIED | | | | |
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98.
|
The
____ attribute default means that the attribute is optional. a. | #FIXED | c. | #TOKEN | b. | #IMPLIED | d. | #OPTIONAL | | | | |
|
Completion
Complete each sentence or
statement.
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99.
|
DTD
stands for ____________________.
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100.
|
A
DOCTYPE declaration is also known as a(n) ____________________.
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101.
|
The
____________________ subset is a set of declarations placed within the XML document.
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102.
|
In
a(n) ____________________ subset, the declarations are placed in an external file that is accessed
from the XML document.
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103.
|
For a
system DTD, a system ____________________ allows you to specify the location of an external
subset.
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104.
|
A(n)
____________________ is added to the DOCTYPE declaration to provide the public name of the
DTD.
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105.
|
A(n)
____________________ specifies an element’s name and indicates what kind of content it can
contain.
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106.
|
A(n)
____________________ is a list of elements that follow a defined order.
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107.
|
One
way of listing child elements, ____________________, presents a set of possible child
elements.
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108.
|
DTDs
use more general numbering with a(n) ____________________ symbol, which specifies the number of
occurrences of each element.
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109.
|
____________________ content allows an element to contain both parsed character data
and child elements.
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110.
|
Attributes that are limited to a set of possible values are known as
____________________ types.
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111.
|
A(n)
____________________ associates the value of an attribute with a <!NOTATION> declaration that
is inserted elsewhere in the DTD.
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112.
|
____________________ types are character strings that follow certain rules for format
and content.
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113.
|
The
rules that a tokenized type follows are known as ____________________.
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114.
|
A(n)
____________________ token is used when an attribute value must be unique within a
document.
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115.
|
An
attribute declared as a(n) ____________________ token must have a value equal to the value of an ID
attribute located somewhere in the same document.
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116.
|
The
____________________ data type is used with character data whose values must be valid XML
names.
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117.
|
An
attribute that contains a list of name tokens, each separated by a blank space, can be defined using
the ____________________ data type.
|
Matching
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|
|
Identify the letter of the choice that best matches the phrase or
definition. a. | general
entity | e. | parsed
entity | b. | unparsed entity | f. | internal entity | c. | external
entity | g. | parameter
entity | d. | module | h. | conditional section | | | | |
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118.
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References content that is either nontextual or that cannot be interpreted by an XML
parser
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119.
|
Used
when you want to insert content into a DTD itself
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120.
|
The
smaller chunks into which a DTD can be broken
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121.
|
Draws
its content from an external file
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122.
|
Enables you to divide a DTD into two parts: one interpreted by parsers and one
containing declarations that parsers ignore
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123.
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References content to be used within an XML document
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124.
|
Includes its content in the DTD
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125.
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References text that can be readily interpreted or parsed by an application reading
the XML document
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