XML DTD MCQs and Answers With Explanation: XML DTD (Document Type Definition) is an important aspect of XML (Extensible Markup Language), a widely used markup language for organizing and sharing data across different systems and applications. It is a set of rules that define the structure of an XML document and ensures that the document follows a specific format. By using XML DTD, developers can define and validate the elements, attributes, and structure of an XML document, ensuring that the data is well-formed and conforms to the required standard. To help you test your knowledge of XML DTD, various XML DTD MCQ Questions & Answers are available that cover a range of topics, including the syntax, elements, attributes, and validation rules of XML DTD.
XML DTD MCQs with Answers
These XML DTD Multiple Choice Questions are an excellent resource for anyone who wants to assess their understanding of XML DTD and improve their skills in working with this important aspect of XML technology. Follow the Top 55 XML DTD MCQs along with an explanation to become an expertise in XML DTD concept.
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XML DTD Multiple Choice Questions
| Name | XML DTD |
| Exam Type | MCQ (Multiple Choice Questions) |
| Category | Technical Quiz |
| Mode of Quiz | Online |
Top 55 XML DTD Multiple Choice Questions | Practice Online Quiz
1. What does DTD stand for?
a) Document Type Definition
b) Document Transformation Description
c) Document Text Declaration
d) Document Type Description
Answer: a) Document Type Definition
Explanation: DTD stands for Document Type Definition, which is a set of rules for defining the structure of an XML document.
2. Which of the following is true about DTD?
a) It is used to define the structure and content of an XML document.
b) It is used to format an XML document.
c) It is used to validate an XML document.
d) It is used to transform an XML document.
Answer: a) It is used to define the structure and content of an XML document.
Explanation: DTD is used to define the structure and content of an XML document, not to format, validate, or transform it.
3. Which of the following is not a valid DTD element?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: c) <!DOCTYPE>
Explanation: <!DOCTYPE> is not a valid DTD element. It is used to define the document type declaration at the beginning of an XML document.
4. Which of the following is used to define the root element in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: a) <!ELEMENT>
Explanation: <!ELEMENT> is used to define the elements in a DTD, including the root element.
5. Which of the following is used to define an attribute in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: b) <!ATTLIST>
Explanation: <!ATTLIST> is used to define the attributes for an element in a DTD.
6. What is the purpose of the SYSTEM keyword in a DTD declaration?
a) It specifies the name of the DTD.
b) It specifies the location of the DTD.
c) It specifies the type of the DTD.
d) It specifies the version of the DTD.
Answer: b) It specifies the location of the DTD.
Explanation: The SYSTEM keyword in a DTD declaration is used to specify the location of the DTD.
7. Which of the following is used to define an entity in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: d) <!ENTITY>
Explanation: <!ENTITY> is used to define entities in a DTD, which are used to represent text or data.
8. Which of the following is used to define an internal entity in a DTD?
a) &ENTITY;
b) !ENTITY;
c) #ENTITY;
d) $ENTITY;
Answer: b) !ENTITY;
Explanation: An internal entity is defined using the !ENTITY; syntax in a DTD.
9. Which of the following is used to define an external entity in a DTD?
a) &ENTITY;
b) !ENTITY;
c) #ENTITY;
d) $ENTITY;
Answer: a) &ENTITY;
Explanation: An external entity is defined using the &ENTITY; syntax in a DTD.
10. Which of the following is used to include an external DTD in an XML document?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!INCLUDE>
d) <!IMPORT>
Answer: d) <!IMPORT>
Explanation: <!IMPORT> is used to include an external DTD in an XML document.
11. Which of the following is used to indicate that an element is optional in a DTD?
a) ?
b) *
c) +
d) –
Answer: a) ?
Explanation: The ? symbol is used to indicate that an element is optional in a DTD.
12. Which of the following is used to indicate that an element can occur zero or more times in a DTD?
a) ?
b) *
c) +
d) {}
Answer: b) *
Explanation: The * symbol is used to indicate that an element can occur zero or more times in a DTD.
13. Which of the following is used to indicate that an element can occur one or more times in a DTD?
a) ?
b) *
c) +
d) {}
Answer: c) +
Explanation: The + symbol is used to indicate that an element can occur one or more times in a DTD.
14. Which of the following is used to group elements together in a DTD?
a) ()
b) {}
c) []
d) <>
Answer: a) ()
Explanation: () is used to group elements together in a DTD.
15. Which of the following is used to define an element as a child of another element in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: a) <!ELEMENT>
Explanation: <!ELEMENT> is used to define the elements in a DTD, including their parent-child relationships.
16. Which of the following is used to specify the order of child elements in a DTD?
a) |
b) &
c) ,
d) /
Answer: d) /
Explanation: The / symbol is used to specify the order of child elements in a DTD.
17. Which of the following is used to indicate that an element can contain any text in a DTD?
a) <!ELEMENT ANY>
b) <!ELEMENT #PCDATA>
c) <!ELEMENT EMPTY>
d) <!ELEMENT CDATA>
Answer: b) <!ELEMENT #PCDATA>
Explanation: <!ELEMENT #PCDATA> is used to indicate that an element can contain any text in a DTD.
18. Which of the following is used to indicate that an element cannot contain any content in a DTD?
a) <!ELEMENT ANY>
b) <!ELEMENT #PCDATA>
c) <!ELEMENT EMPTY>
d) <!ELEMENT CDATA>
Answer: c) <!ELEMENT EMPTY>
Explanation: <!ELEMENT EMPTY> is used to indicate that an element cannot contain any content in a DTD.
19. Which of the following is used to define a parameter entity in a DTD?
a) %
b) $
c) @
d) #
Answer: a) %
Explanation: The % symbol is used to define a parameter entity in a DTD.
20. Which of the following is used to reference a parameter entity in a DTD?
a) %
b) $
c) @
d) #
Answer: b) $
Explanation: The $ symbol is used to reference a parameter entity in a DTD.
21. Which of the following is used to specify the data type of an attribute in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!DOCTYPE>
d) <!ENTITY>
Answer: b) <!ATTLIST>
Explanation: <!ATTLIST> is used to define the attributes of an element in a DTD, including their data types.
22. Which of the following is used to specify that an attribute is required in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: a) #REQUIRED
Explanation: #REQUIRED is used to specify that an attribute is required in a DTD.
23. Which of the following is used to specify that an attribute is optional in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: b) #IMPLIED
Explanation: #IMPLIED is used to specify that an attribute is optional in a DTD.
24. Which of the following is used to specify a default value for an attribute in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: d) #DEFAULT
Explanation: #DEFAULT is used to specify a default value for an attribute in a DTD.
25. Which of the following is used to specify a fixed value for an attribute in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: c) #FIXED
Explanation: #FIXED is used to specify a fixed value for an attribute in a DTD.
26. Which of the following is used to define an internal DTD subset?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!ELEMENT>
d) <!ATTLIST>
Answer: a) <!DOCTYPE>
Explanation: The <!DOCTYPE> declaration is used to define an internal DTD subset.
27. Which of the following is used to define an external DTD subset?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!ELEMENT>
d) <!ATTLIST>
Answer: b) <!ENTITY>
Explanation: The <!ENTITY> declaration is used to define an external DTD subset.
28. Which of the following is used to include an external DTD subset in an XML document?
a) <!DOCTYPE>
b) <!ENTITY>
c) <?xml version=”1.0″?>
d) <!ATTLIST>
Answer: a) <!DOCTYPE>
Explanation: The <!DOCTYPE> declaration is used to include an external DTD subset in an XML document.
29. Which of the following is used to reference an entity in a DTD?
a) &
b) $
c) %
d) #
Answer: a) &
Explanation: The & symbol is used to reference an entity in a DTD.
30. Which of the following is used to include an external entity in a DTD?
a) <!DOCTYPE>
b) <!ENTITY>
c) <?xml version=”1.0″?>
d) <!ATTLIST>
Answer: b) <!ENTITY>
Explanation: The <!ENTITY> declaration is used to include an external entity in a DTD.
31. Which of the following is used to define a notation in a DTD?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!ELEMENT>
d) <!NOTATION>
Answer: d) <!NOTATION>
Explanation: <!NOTATION> is used to define a notation in a DTD.
32. Which of the following is used to declare the use of a notation in a DTD?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!ELEMENT>
d) <!NOTATION>
Answer: b) <!ENTITY>
Explanation: The <!ENTITY> declaration is used to declare the use of a notation in a DTD.
33. Which of the following is used to declare an attribute value as an ID in a DTD?
a) ID
b) IDREF
c) IDREFS
d) ENTITY
Answer: a) ID
Explanation: The ID keyword is used to declare an attribute value as an ID in a DTD.
34. Which of the following is used to reference an ID value in a DTD?
a) ID
b) IDREF
c) IDREFS
d) ENTITY
Answer: b) IDREF
Explanation: The IDREF keyword is used to reference an ID value in a DTD.
35. Which of the following is used to reference multiple ID values in a DTD?
a) ID
b) IDREF
c) IDREFS
d) ENTITY
Answer: c) IDREFS
Explanation: The IDREFS keyword is used to reference multiple ID values in a DTD.
36. Which of the following is used to declare an attribute value as an entity in a DTD?
a) ID
b) IDREF
c) IDREFS
d) ENTITY
Answer: d) ENTITY
Explanation: The ENTITY keyword is used to declare an attribute value as an entity in a DTD.
37. Which of the following is used to declare an attribute value as a list of entities in a DTD?
a) ID
b) IDREF
c) IDREFS
d) ENTITIES
Answer: d) ENTITIES
Explanation: The ENTITIES keyword is used to declare an attribute value as a list of entities in a DTD.
38. Which of the following is used to declare an attribute value as a list of NMTOKENS in a DTD?
a) NMTOKEN
b) NMTOKENS
c) CDATA
d) PCDATA
Answer: b) NMTOKENS
Explanation: The NMTOKENS keyword is used to declare an attribute value as a list of NMTOKENS in a DTD.
39. Which of the following is used to declare an attribute value as an enumerated list in a DTD?
a) NMTOKEN
b) NMTOKENS
c) CDATA
d) enumerated
Answer: d) enumerated
Explanation: The enumerated keyword is used to declare an attribute value as an enumerated list in a DTD.
40. Which of the following is used to specify a default value for an element in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: b) #IMPLIED
Explanation: #IMPLIED is used to specify that an element is optional in a DTD.
41. Which of the following is used to specify that an element must appear at least once in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: a) #REQUIRED
Explanation: #REQUIRED is used to specify that an element must appear at least once in a DTD.
42. Which of the following is used to specify that an element must appear exactly once in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: c) #FIXED
Explanation: #FIXED is used to specify that an element must appear exactly once in a DTD.
43. Which of the following is used to specify that an element may appear at most once in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: d) #DEFAULT
Explanation: #DEFAULT is used to specify that an element may appear at most once in a DTD.
44. Which of the following is used to specify that an attribute must have a value in a DTD?
a) #REQUIRED
b) #IMPLIED
c) #FIXED
d) #DEFAULT
Answer: a) #REQUIRED
Explanation: #REQUIRED is used to specify that an attribute must have a value in a DTD.
45. Which of the following is used to define an element in a DTD?
a) !ENTITY
b) !ELEMENT
c) !DOCTYPE
d) !ATTLIST
Answer: b) !ELEMENT
Explanation: !ELEMENT is used to define an element in a DTD.
46. Which of the following is used to define the root element of a document in a DTD?
a) !ENTITY
b) !ELEMENT
c) !DOCTYPE
d) !ATTLIST
Answer: c) !DOCTYPE
Explanation: !DOCTYPE is used to define the root element of a document in a DTD.
47. Which of the following is used to define attributes for an element in a DTD?
a) !ENTITY
b) !ELEMENT
c) !DOCTYPE
d) !ATTLIST
Answer: d) !ATTLIST
Explanation: !ATTLIST is used to define attributes for an element in a DTD.
48. Which of the following is used to include an external DTD file in an XML document?
a) <!DOCTYPE>
b) <!ENTITY>
c) <!ELEMENT>
d) <?xml>
Answer: a) <!DOCTYPE>
Explanation: <!DOCTYPE> is used to include an external DTD file in an XML document.
49. Which of the following is used to reference an internal entity in a DTD?
a) &
b) #
c) $
d) %
Answer: a) &
Explanation: & is used to reference an internal entity in a DTD.
50. Which of the following is used to define a CDATA section in a DTD?
a) <![CDATA[
b) <!CDATA[
c) <?CDATA[
d) <CDATA>
Answer: a) <![CDATA[
Explanation: <![CDATA[ is used to define a CDATA section in a DTD.
51. Which of the following is used to define a comment in a DTD?
a) <!– –>
b) <!— —>
c) <?— —>
d) <— —>
Answer: b) <!— —>
Explanation: <!— —> is used to define a comment in a DTD.
52. Which of the following is used to define an empty element in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!ENTITY>
d) <!EMPTY>
Answer: d) <!EMPTY>
Explanation: <!EMPTY> is used to define an empty element in a DTD.
53. Which of the following is used to define an element with character data content in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!ENTITY>
d) <!CDATA>
Answer: a) <!ELEMENT>
Explanation: <!ELEMENT> is used to define an element with character data content in a DTD.
54. Which of the following is used to define an element with mixed content in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!ENTITY>
d) <!MIXED>
Answer: d) <!MIXED>
Explanation: <!MIXED> is used to define an element with mixed content in a DTD.
55. Which of the following is used to define an element with child elements in a DTD?
a) <!ELEMENT>
b) <!ATTLIST>
c) <!ENTITY>
d) <!CHILDREN>
Answer: a) <!ELEMENT>
Explanation: <!ELEMENT> is used to define an element with child elements in a DTD.
XML DTD MCQs are an effective tool for testing your knowledge and understanding of XML DTD. By practicing these XML DTD MCQ Questions & Answers, you can improve your skills in working with XML technology and enhance your chances of success in related job roles or exams. Follow us exclusively on Freshersnow.Com to get hold of updates on XML DTD MCQ’s.