which are the xml syntax rules mcq

PIs can appear anywhere in the document outside the markup. For example −. Numeric reference refers to the character by its number in the Unicode character set. This has a list of predefined values in its declaration. XML is Case Sensitive. DTDs check vocabulary and validity of the structure of XML documents against grammatical rules of appropriate XML language. It is a text-based markup language derived from Standard Generalized Markup Language (SGML). Almost all major programming languages supports XML due to its language-independent data format. XML tags are case sensitive. There are two types of enumerated attribute −. Hence, we have two categories of plants, one flowers and other shrubs. Following is an example of a well-formed XML document −, The above example is said to be well-formed as −. They are generally used to make a document more readable. The replacement text of any entity referred to directly or indirectly in an attribute value must not contain a less than sign (<). Validation is a process by which an XML document is validated. Every tag should have starting and ending. As we saw in the XML - Elements chapter, elements are the building blocks of XML document. They are accessed by specifying the system attributes which may be either the legal .dtd file or a valid URL. The following diagram depicts the syntax rules to write different types of markup and text in an XML document. An element which has no content is termed as empty. For example −, A complex type is a container for other element definitions. The XML DOM, on the other hand, also provides an API that allows a developer to add, edit, move, or remove nodes in the tree at any point in order to create an application. D. . In the above example, we have categorized the plants by including attribute category and assigning different values to each of the elements. The names of XML-elements and XML-attributes are case-sensitive, which means the name of start and end elements need to be written in the same case. This XML online test is useful for beginners, freshers, experienced candidates, lecturers, developers, designers preparing for GATE, job interview, university, semester exams, certification etc. For example, database of numbers, numbers representing molecular structure or a mathematical equation. Where version is the XML version and encoding specifies the character encoding used in the document. The XML document can optionally have an XML declaration. , Following are few examples of XML declarations −, XML declaration with version definition −, XML declaration with all parameters defined −, XML declaration with all parameters defined in single quotes −. For example, Address, address, and ADDRESS are different names. The text, or the character data, Tutorials Point and (040) 123-4567. To be more precise, they define properties of elements. XML is widely used in a SOA (Services Oriented Architecture). In the above diagram, there is a root element named as . Now let’s look at the rules with some examples. A xml file is structured by several xml-elements, also called xml-nodes or xml-tags. Similar to HTML, a comment in XML begins with. Whitespace is a collection of spaces, tabs, and newlines. It is a text-based markup language derived from Standard Generalized Markup Language (SGML). When a software program reads an XML document and takes actions accordingly, this is called processing the XML. Insignificant whitespace means the space where only element content is allowed. You can also find a professional XML editor online or for downloading, which has more powerful editing features such as −, Following are some open source XML editors −. D. XML can be used to exchange the information between organizations and systems. HTML tags are not case sensitive. D. Extend Markup Language. B. XML allows you to create your own self-descriptive tags, or language, that suits your application. General Questions ; True or False ; Guess the Output ; Point Out Errors ; Yes or No ; XML MCQ : General Questions (Multiple Choice Questions) Question 1. For example −. Any program that can read and process XML documents is known as an XML processor. D. All of the above. CDATA is character data. Let us learn about one of the most important part of XML, the XML tags. An XML DTD can be either specified inside the document, or it can be kept in a separate document and then liked separately. XML schema defines the elements, attributes and data types. Now let us keep these two files sample.htm and address.xml in the same directory /xml and execute the sample.htm file by opening it in any browser. If the DTD is pointing to external path, it is called External Subset. All XML Elements Must Have a Closing Tag. To refer it as internal DTD, standalone attribute in XML declaration must be set to yes.

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