Declarative Languages EXAM

Question 1

What does XML stand for?

Answer 1

Extensible Markup Language

Question 2

What are HTML and XML based on?

Answer 2

Standard Generalized Markup Language (SGML)

Question 3

What is the difference between HTML and XML?

Answer 3

HTML is about how to present the data, XML is about the data itself

Question 4

What version of XML does this course focus on?

Answer 4

Version 1.0

Question 5

How do you specify a comment in XML?

Answer 5

< !– The comment – >

Question 6

How do you specify unparsed character data?

Answer 6

< ![CDATA[ ]] >

Question 7

Are XML elements case sensitive?

Answer 7

Yes

Question 8

What part of an XML doc is like metadata?

Answer 8

Attribute

Question 9

Elements are thought of as ______ and attributes as ______

Answer 9

Nouns, Adjectives

Question 10

Is the XML Declaration required?

Answer 10

No, but recommended

Question 11

If the version isn’t specified in the declaration, what version is assumed?

Answer 11

Latest version (1.1)

Question 12

What is an entity?

Answer 12

A way to specify a special character and not have it parsed.
&

Question 13

What does the DOM do?

Answer 13

Provides a way to query and manipulate XML documents

Question 14

How does the DOM structure an XML document?

Answer 14

a Tree

Question 15

What does the DOM standard define a set of?

Answer 15

Interfaces

Question 16

What is the fundamental interface in the DOM?

Answer 16

Node

Question 17

What is a NamedNodeMap typically used for?

Answer 17

Attributes

Question 18

What type of Node supports Attributes in the DOM?

Answer 18

Element

Question 19

How many children does an Attr Node have?

Answer 19

Exactly 1

Question 20

What does the Document class inherit from in the DOM?

Answer 20

Node

Question 21

What type of XML schema has become the standard?

Answer 21

XSD

Question 22

What is the XML document that a schema applies to?

Answer 22

Instance Document

Question 23

What are the 2 basic parts of an XML schema?

Answer 23

1. Data types
2. Structures

Question 24

What do schema definitions do?

Answer 24

Create new types

Question 25

What do schema declarations do?

Answer 25

Describe content models of elements and attributes in document instances

Question 26

What is the URL of the schema in the preamble?

Answer 26

http://www.w3.org/2001/XMLSchema

Question 27

What 2 ways can you associate a schema with a document?

Answer 27

1. parser
2. schemaLocation or noNamespaceSchemaLocation attribute

Question 28

What are the 4 primary schema components?

Answer 28

1. Element declarations
2. Simple Type definitions
3. Complex Type definitions
4. Attribute declarations

Question 29

What is the syntax of an element declaration?

Answer 29

< xsd:element name=”name” type=”type” minOccurs=”int” maxOccurs=”int”/ >

Question 30

In an element declaration, the maxOccurs attribute can be a positive int or what?

Answer 30

unbounded

Question 31

All XML schema data types are comprised of what 3 parts?

Answer 31

1. Value space
2. Lexical space
3. Set of Facets

Question 32

What is a complex type?

Answer 32

A set of attribute declarations and content type that pertain to the attributes and children of the element

Question 33

What 2 places can attribute declarations be placed?

Answer 33

1. Globally scoped within the < schema > element
2. Within a complex type declaration