SIA: Midterm

<?xml version=”1.0”?>

What is a valid XML declaration?

Extensible Markup Langauge

What does XML stand for?

<price-list>

What is a valid XML element name?

<!— comment —>

What symbol is used for XML comments?

<review rating=”5”>

What is an example of an XML attribute?

Elements

Can hold multiple values and hierarchy

XML DTD

Defines structure and rules of XML document

XML Namespace

To avoid element name conflicts

All tags must be closed

Valid XML syntax rule

One

An XML document must contain how many root elements?

Spaces in element names

NOT allowed in XML

XML Prolog

The declaration line <?xml version="1.0"?>

True

Is XML case-sensitive?

XML Comments

They can be placed anywhere

Significant

In XML, whitespace is what?

It uses opening and closing tags

XML is considered more verbose than JSON because

<book><title>Intro</title></book>

Valid XML snippet

Double Quotes

XML attributes and Json strings should always use this.

Root → Child

XML structure flows from what to what?

xlmns:bk=”http://example.com/books”

Valid XML namespace declaration

Once, at the top of the document

XML declaration must appear on where?

Tags

XML is called "self-descriptive" because this one thing is describing data meaning

<123book>

An invalid XML element

DTD

XML documents can be validated against

String, Number, Boolean, Null, Array, Object

Which of the following is a valid JSON data type?

True and False

JSON Boolean values are

Null

JSON valid null response is what?

[ ]

Which brackets are used for JSON arrays?

[1,2,3]

A valid JSON array is

Date

JSON cannot directly handle which data type

JSON.parse

Converting JSON string → Object

JSON.stringify()

Converting Object → JSON string

Functions

JSON does not allow

Comments

JSON does not support

Function as values

JSON cannot contain

JavaScript Object Syntax

JSON is based on which format

Undefined

NOT a valid JSON value

String is invalid JSON

JSON.parse can throw an error if?

Valid JSON Data Types

JSON arrays can contain

{“age”: 25, “married”: false}

Which of the following is correct JSON syntax?

Storing and Exchanging Data

JSON is mainly used for

Language-Independent

JSON can be used with many programming languages and it is considered what?