Question 1

Explain VBScript in detail.

Accepted Answer

This is a scripting language developed by Microsoft and is based loosely on Visual Basic Its functionality in a web environment is dependant upon either an ASP engine or the Windows Scripting Host, and must be used on a Windows hosting platform

Question 2

.What are the different types of environments available in the web?

Accepted Answer

Intranet (local Network) Internet (wide area Network) Extranet (Private network over internet)

Question 3

What is website?

Accepted Answer

Basically website is an information provider, It provides information globally using internet protocols

Question 4

What is web portal?

Accepted Answer

Web portal is a business gateway, It organizes business operations Ex: Online shopping portals, Job portals etc

Question 5

What is web application?

Accepted Answer

Web application provides services (Free and Paid) apart from information Ex: Online Banking System It provides Bank information , Branches & ATM information, Loans information etc And It provides balance enquiry, Fund transfer, Bill payments like services

Question 6

What is Web Browser ?

Accepted Answer

Web browser is a software application used to locate,retrieve and display content on the World Wide Web, including Web pages, images, videos and other files Examples : Microsoft Internet Expiorer , Mozilla Firefox , Google Chrome, Opers , Safari etc

Question 7

What is Web Server?

Accepted Answer

Web server handles client side and server side validations and helps to deliver web content that can be accessed through the Internet protocols Examples: Microsoft IIS (Internet Information Service) Apache web server from Apache Java web server Pramathi web server etc

Question 8

What is XML?

Accepted Answer

XML, Extensible Markup Language, is an open, text based markup language that provides structural and semantic information to data XML is a metalanguage that can be used to create other language It is used to structure and describe data that can be understood by other applications Using XML, we can separate the user interface from data Features of XML : - XML is a generalized markup language that means one can define his/her own tag sets - A valid XML document contains rules and is self-describing - The rules that are found in DTD allow the documents to be validated

Question 9

What is a CDATA section in XML?

Accepted Answer

CDATA - (Unparsed) Character Data The term CDATA is used when you dont want some text data to be parsed by the XML parser A CDATA section starts with "" and ends with "":

Question 10

What is XML Namespace?

Accepted Answer

An XSL sheet or a document may have duplicate elements and attributes Therefore, the XML namespaces define a way to distinguish between duplicate element types and attribute names An XML namespace is a collection of element type and attribute names It is a URI due to which any element type or attribute name in an XML namespace can be uniquely identified It consists of two parts : the name of the XML namespace and the local name eg: xmlns: h=”https://wwwabccom” After this, you can write …… to associate the table with the declared namespace

Question 11

How do you load data from XML file to a ORACLE table?

Accepted Answer

You need to first create a table in oracle that matches with the fields of the XML data So to get the XMl into the table, you can create a generic procedure that moves an XML document into a table by converting the elements to Oracle Canonical format Oracle Canonical format is as follows: ROW is used for the table names ROWSET is used for the XML document You can get the XML into the canonical form using XSL: < /ROW> To transform the XML document into the canonical form, you can write a procedure Make sure you include the line below in your procedure code: v_rows := DBMS_XMLStoreinsertXML( v_context, XMLTypetransform(p_xml_in, p_xsl_in)); The only remaining step is calling your procedure: DECLARE v_xml XMLType := XMLType( YOUR XML Document ); v_xsl XMLType := XMLType( YOUR XSL Document ); BEGIN procedure_name(v_xml, v_xsl, 'table_name'); END;

Question 12

How do you parse/validate the XML document?

Accepted Answer

Parsing the XML document is the only way to validate the XML file Validation is done by either DOM parser or the SAX parser

Question 13

What is XML template?

Accepted Answer

XML templates are XML files such as XHTML files XML templates includes the processing directives which affect how the template is rendered, and the template expressions which are substituted dynamically by various data

Question 14

What is Xpath?

Accepted Answer

XPath specifies the path in the XML document which has hierarchical elements XPath is used with XPointer and XSLT and parser

Question 15

What is the use of FOR XML in SQL Server?

Accepted Answer

SQL Server is having a fantastic feature to retrieve data persisted in the form of XML format The data in the XML format can be retrieved using FOR XML clause appending to the SELECT statement It offers 3 modes - “FOR XML AUTO": Returns XML elements that are nested, based on which tables are listed in the "from" part of the query, and which fields are listed in the "select" part - "FOR XML RAW": Returns XML elements with the "row" prefix (ex: "") Each column in a table is represented as an attribute and null column values aren't included - "FOR XML EXPLICIT": Explicit mode is the most complex shaping method used in SQL Server 2000 It allows users to query a data source in such a way that the names and values of the returned XML are specified before the query batch is executed

Question 16

What is EXtensible Application Markup Language (XAML)?

Accepted Answer

XAML is a markup language used to define dynamic or static UIs for NET applications Though Windows Vista would be used to design XAML UIs, they can be applied to Windows XP or Windows 2003 too XAML is similar to MVC in terms of the separation of the UI code from application logic XAML is bound to Windows Presentation foundation to build a UI in NET 30 and Windows Vista XAML Features: - XAML inherits all XML definitions and rules - It also contains HTML, XHTML and other markup languages for UI - Every XAML element represents a NET CLR class due to which working with XAML becomes simple - The application logic can be put in a separate file or be embedded in XAML file itself as XAML in conjunction with Windows Presentation Foundation model to provide the developers design a good UI in ASPNET - XAML files get compiled to BAML files which are smaller than XAML and easier to read which make them faster to load

Question 17

What is the use of IP based hosting?

Accepted Answer

The web hosting on the server can be accomplished by using the IP based hosting that provides resources and services as follows: - IP based hosting provides dedicated IPs that consists of virtual hosts and having the different IP address - Web server is configured with different and multiple physical network interfaces using the same physical interface - Web server uses this IP address to connect the client with the server to determine the web site that provides the client a view of it - IP addresses provide the resources that are required in order to use the SSL certificates and other resources rather than shared certificate

Question 18

What is the use of Name based hosting?

Accepted Answer

- Name based is the virtual hosting that allows the virtual hosts to serve multiple hostnames that runs on single machine and having only one IP address - This is used when the web browser is used to request the resource from the server then the server respond using the hostname - Web server uses HTTP protocol to respond to the requested hostname as the part of the request - The server contains all the information of the website and the user that requests for the resources given - Name based web hosting includes the resources and services that need to be given at the time of client’s request

Question 19

What needs to be taken into consideration to host a website?

Accepted Answer

- To host a website a platform needs to be decided using which the hosting can be made simpler - The specification needs to be determined before hosting the website and choosing the hosting platform - The choice of operating system needs to be clear in choosing the website hosting services and the resources that the particular hosting platform requires need to be known - The web hosting platform requires lots of services that need to be decided before hosting the website on the web - The space and the cost need to be kept minimum and according to that the choice has to be made between hosted or shared platforms

Question 20

How does traffic measured in hosting platform?

Accepted Answer

- The traffic can be measured using the size of the files that are transferred from one place to another (server-client) - It can also be measured by the size of the file that is being requested by the client from the server - The number of visitors arriving on the website also involve in the measurement of the traffic using the web hosting platform - The advertisements of the sites take more bandwidth to allow more number of users to be on the website - More number of users provides higher traffic on the website thus it requires more bandwidth on the web hosting sites

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