Classic ASP Interview Questions - An interviewhelper.org blog

Which is the default Data types in VBScript

2009-03-02T04:48:00.000-08:00

Question :Which is the default Data types in VBScript?
Answer :Variant.

When inserting strings into a SQL table in ASP what is the risk and how can you prevent it

2009-03-02T04:46:00.000-08:00

Question :When inserting strings into a SQL table in ASP what is the risk and how can you prevent it?
Answer :SQL Injection, to prevent you probably need to use Stored Procedures instead of inline/incode SQL

What is a class in CSS

2009-03-02T04:45:00.000-08:00

Question :What is a class in CSS?
Answer :Answer1 A class allows you to define different style characteristics to the same HTML element. Answer2 class is a child to the id, id should be used only once, a css class can be used multiple times: div id=”banner” p class=”alert”

How do you get the value of a combo box in Javascript

2009-03-02T04:44:00.000-08:00

Question :How do you get the value of a combo box in Javascript?
Answer :Answer1. document.forms[’formName’].elements[’comboName’].options[i].value Answer2. document.form_name.element_name.value

What is string concatenation function in VBScript

2009-03-02T04:43:00.000-08:00

Question :What is string concatenation function in VBScript?
Answer :the ampersand symbol and ampersand space underscore across multiple lines

What variable can you use to share info across the whole application for one user

2009-03-02T04:42:00.000-08:00

Question :What variable can you use to share info across the whole application for one user?
Answer :Use the sessions object

How can you have different number of cells for each row of a table in HTML

2009-03-02T04:41:00.000-08:00

Question :How can you have different number of cells for each row of a table in HTML?
Answer :using colspan and rowspan

How do you write an SQL insert statement

2009-03-02T04:40:00.000-08:00

Question :How do you write an SQL insert statement?
Answer :insert into tablename (fieldA, fieldB, fieldC)Values(’dataA’, ‘dataB’, ‘dataC’);

Why do we use Option Explicit

2009-03-02T04:39:00.000-08:00

Question :Why do we use Option Explicit?
Answer :Answer1 To avoid multiple variables of the same name. Answer2: Correct answer is - This statement force the declaration of variables in VB before using them.

Explain the difference between POST and GET Method

2009-03-02T04:38:00.000-08:00

Question :Explain the difference between POST and GET Method?
Answer :GET requests are string data that is visible to the end user via the URL and a limit of 2kb, POST requests have no limit on total data and the user can’t see the data in a query string.

How do you create a recordset object in VBScript

2009-03-02T04:37:00.000-08:00

Question :How do you create a recordset object in VBScript?
Answer :Answer1 //First of all declare a variable to hold the Recordset object, ex- Dim objRs //Now, Create this varible as a Recordset object, ex- Set objRs=Server.CreateObject(ADODB.RECORDSET) Answer2 ” rs.MoveNext wend end if %’> *. Create Recordset object *. Place form field value in a variable named “param” *. Define query by concatenating strings and variable value *. Open RecordSet Object. Note that the first parameter is the Command Text. The second parameter is the Connection String. The Command Object and Connection Object are created implicitly. *. Make sure the RecordSet isn’t empty *. Begin executing a loop which goes through all records in the RecordSet. *. Write each record’s “firstname” and “lastname” fields to the page on a separate line. *. Move to Next Record.

What are the collections of Application Object

2009-03-02T04:35:00.000-08:00

Question :What are the collections of Application Object?
Answer :* Contents collection - contains all variables added via scripts in global.asa.
* Static collection - contains the names of all objects

What are the tasks performed by <> tags

2009-03-02T04:33:00.000-08:00

Question :What are the tasks performed by <> tags?
Answer :tags provides space for the user to input values the form has a button to submit information back to the server It transfers control to another ASP page It carries the information in the fields to another ASP page

Name some of the ASP components

2009-03-02T04:32:00.000-08:00

Question :Name some of the ASP components?
Answer :Ad Rotator component- a way to manage advertisements on the web site. Content Linker component - a technique to direct users through a set of pages on a web site by creating a list of URLs and description of the next and previous pages. Browser Capabilities component - allows to customize the page to the ability of the browser viewing it. Database Access component - allows to access data from the database

What are the event handlers of Application Object

2009-03-02T04:30:00.000-08:00

Question :What are the event handlers of Application Object?
Answer :Application_OnStart- This event will be fired when the first visitor hits the page. Application_OnEnd- This event runs when the server is stopped.

What is the difference between ASP and HTML Or Why ASP is better than HTML

2009-03-02T04:29:00.000-08:00

Question :What is the difference between ASP and HTML? Or Why ASP is better than HTML?
Answer :- ASP executes code on the server side whereas the browser interprets HTML. - ASP can use any scripting languages - Gets feedback from the user and return information to the user - Create pages that will be customized to display only things that will be of interest to a particular user - Can edit contents of a web page by updating a text file or a database rather than the HTML code itself

What are the collections of Session Object

2009-03-02T04:28:00.000-08:00

Question :What are the collections of Session Object?
Answer :Contents collection contains all the variables established for a session without using the tag. Static collection contains all the objects created

What are the properties used to control the expiration of the page

2009-03-02T04:26:00.000-08:00

Question :What are the properties used to control the expiration of the page?
Answer :Expires specifies the number of minutes before a page cached on a browser expires. ExpiresAbsolute sets the date and time at which a page cached on a browser expires.

What are the methods by which output stream is controlled

2009-03-02T04:25:00.000-08:00

Question :What are the methods by which output stream is controlled?
Answer :Flush sends previous buffered output to the client immediately, but continues processing the script. Clear erases any already-buffered HTML. End causes the server to stop processing the script.

What are the browsers that can access ASP pages

2009-03-02T03:30:00.000-08:00

Question :What are the browsers that can access ASP pages?
Answer :Internet Explorer (supports VBScript, JavaScript) Netscape Communicator/ Navigator (supports only JavaScript, VBScript can be also added too)

What are the methods in Application Object

2009-03-02T03:27:00.000-08:00

Question :What are the methods in Application Object?
Answer :Internet Information Server (IIS) on Windows NT Personal Web Server (PWS) on Windows 95 Peer Web Services on Windows NT

What are the methods in Application Object

2009-03-02T03:26:00.000-08:00

Question :What are the methods in Application Object?
Answer :Lock prevents clients from modifying the variables stored in the Application object. Unlock removes the lock from variables stored in the Application object.

What are the advantages of using ASP

2009-03-02T03:25:00.000-08:00

Question :What are the advantages of using ASP?
Answer :Minimizes network traffic by limiting the need for the browser and server to talk to each other Makes for quicker loading time since HTML pages are only downloaded Allows to run programs in languages that are not supported by the browser Can provide the client with data that does not reside on the client’s machine Provides improved security measures since the script cannot be viewed by the browser

Name the ASP Objects

2009-03-02T02:10:00.023-08:00

Question :Name the ASP Objects?
Answer :Request Object Response Object Server Object Session Object Application Object

What are the event handlers of Session Object

2009-03-02T02:10:00.022-08:00

Question :What are the event handlers of Session Object?
Answer :Session _OnStart This event will be fired when a new user begins a session with the web site. Session_OnEnd This event is called whenever a session terminates.

What are the properties of Session Object

2009-03-02T02:10:00.021-08:00

Question :What are the properties of Session Object?
Answer :SessionID returns the session identification number for each user. Timeout sets the timeout period assigned to the Session object for any application, in minutes. CodePage determines the code page that will be used to display content. LCID a locale identifier, which determines time zone and language, rules for the system

What are the types of HTML

2009-03-02T02:10:00.020-08:00

Question :What are the types of HTML?
Answer :Static HTML Browser uses HTTP to request HTML file from the Web Server Dynamic HTML Browser uses HTTP to request an executable application rather than a Static HTML file

What is the order of execution for an ASP application

2009-03-02T02:10:00.019-08:00

Question :What is the order of execution for an ASP application?
Answer :1) Global.asa 2) Server-side Includes 3) Jscript scripts tagged within

What do you need to run ASP

2009-03-02T02:10:00.018-08:00

Question :What do you need to run ASP?
Answer :A browser and a Web server

What is ClientCertificate collection

2009-03-02T02:10:00.017-08:00

Question :What is ClientCertificate collection?
Answer :A ClientCertificate is an encrypted number that is stored in a file on the user’s computer. This stores details of any security certificates included with the request.

What is a session

2009-03-02T02:10:00.016-08:00

Question :What is a session?
Answer :A user accessing an application is known as a session.

What is Extranet

2009-03-02T02:10:00.015-08:00

Question :What is Extranet?
Answer :An area of a web site available only to a set of registered visitors.

What is Application-scope

2009-03-02T02:10:00.014-08:00

Question :What is Application-scope?
Answer :Application-scope means that variables (and objects) can be accessed from any ASP pages that is part of the application.

What are ARRAYS

2009-03-02T02:10:00.013-08:00

Question :What are ARRAYS?
Answer :Arrays are variables that store items of similar information.DIM ARRAY1(4) (declares an array with the name array1 with 5 elements)

What is ASP (Active Server Pages)

2009-03-02T02:10:00.012-08:00

Question :What is ASP (Active Server Pages)?
Answer :ASP is a server side-scripting environment for building dynamic and interactive web pages. Since the scripts run on the server side, the web server does all the processing.

How are scripts executed

2009-03-02T02:10:00.011-08:00

Question :How are scripts executed?
Answer :ASP provides scripting engines that execute the corresponding scripting languages on the server side. Scripts should be encoded within the Delimiters.

What is the function of Buffer in Response Object

2009-03-02T02:10:00.010-08:00

Question :What is the function of Buffer in Response Object?
Answer :Buffer controls the HTML output stream manually.

How will you delete a Cookie

2009-03-02T02:10:00.009-08:00

Question :How will you delete a Cookie?
Answer :By setting its Expires property to any date prior to today Response.Cookies("cookie name"). Expires = Date 1.

What is Collection

2009-03-02T02:10:00.008-08:00

Question :What is Collection?
Answer :Collection is a set of name/value pairs where the information supplied by the client is stored.

What is Server Object

2009-03-02T02:10:00.007-08:00

Question :What is Server Object?
Answer :Controls the ASP execution environment. It can set the amount of time script can run before an error occurs. Converts a virtual path to a physical path on the server. Takes a user supplied string and encode it into proper format for a URL string.

What is the difference between Cookies collection and Form/Querystring collection

2009-03-02T02:10:00.006-08:00

Question :What is the difference between Cookies collection and Form/Querystring collection?
Answer :Cookie collection does not have the Count property. Cookies can have multiple values for the same cookie name but each value can be referred using a key whereas in a Form/Querystring cookie each value has to be referred using an index value.

What is Cookies collection

2009-03-02T02:10:00.005-08:00

Question :What is Cookies collection?
Answer :Cookies are text files that store information about the user by which the web server identifies and marks each different visitor to a web site and determines where a user has been before. A cookie can store information only when the user sends it. Individual cookies are limited to 4KB of data. The maximum number of cookies allowed is 300. Cookies are stored on client’s machine.

What are the special sub-types in VBScript

2009-03-02T02:10:00.004-08:00

Question :What are the special sub-types in VBScript?
Answer :EMPTY: has no value NULL: Value does not exist (conjunction with database) OBJECT:

What is Request Object

2009-03-02T02:10:00.003-08:00

Question :What is Request Object?
Answer :Gets information from the user. It has five collections by which values can be accessed. They are: Querystring, Form, Cookies, Server Variables & ClientCertificate

What is IIS

2009-03-02T02:10:00.002-08:00

Question :What is IIS?
Answer :IIS is a Web Server that provides Web services, not only for web pages but also for ftp sites and video and audio services. It integrates with the database facilities of SQL Server.

What is a TextStream object

2009-03-02T02:10:00.001-08:00

Question :What is a TextStream object?
Answer :It allows you to access(read/write) the contents of text files stored on the web server.

Naming constraints for a variable

2009-03-02T02:10:00.000-08:00

Question :Naming constraints for a variable?
Answer :It can be up to 255 characters Must start with an alphabet Must not contain an embedded period or full-stop

What is Response Object

2009-03-02T02:09:00.000-08:00

Question :What is Response Object?
Answer :It controls the information sent to the user. The various methods are: Response.Write - Sends information directly to a browser Response.Redirect - Directs a user to a URL other than the requested URL Response.ContentType - Controls the type of content sent Response.Cookies - Sets cookie values Response.Buffer - To Buffer information

What is an .ASP file

2009-03-02T02:08:00.000-08:00

Question :What is an .ASP file?
Answer :It is a Text File that contains the combination of the following: Text HTML tags Script Commands

What is Global.asa file

2009-03-02T02:07:00.000-08:00

Question :What is Global.asa file?
Answer :It is text file that contains details about an ASP application, such as when it should begin and end.

What is a Dictionary object

2009-03-02T02:06:00.000-08:00

Question :What is a Dictionary object?
Answer :It lets you store and retrieve information in a flexible data structure. Each value or information stored in a Dictionary is associated with a key through which the information can be retrieved.

What is a Scripting Language

2009-03-02T02:05:00.000-08:00

Question :What is a Scripting Language?
Answer :It permits to create more interactive Web Pages. Validation, formatting of web pages can be done. VBScript, JavaScript are some examples.

What is a FileSystemObject object

2009-03-02T02:04:00.000-08:00

Question :What is a FileSystemObject object?
Answer :It provides access to the physical file system of the web server. It gets and manipulates information about all drives in a server, folders and sub-folders on a drive and files inside a folder.

What is Server-Side includes

2009-03-02T02:03:00.000-08:00

Question :What is Server-Side includes?
Answer :It provides extra information by which it makes the site easier to manage. It can include text files using the #include statement, retrieve the size and last modification date of a file, defines how variables and error messages are displayed and inserts the values of HTTP variables in the page sent back to the browser.

What is Session Object

2009-03-02T02:00:00.002-08:00

Question :What is Session Object?
Answer :It stores information about a User’s session. Gives a notification when a user session begins or ends.

What is a Web Server

2009-03-02T02:00:00.001-08:00

Question :What is a Web Server?
Answer :It’s a Computer that provides Web services on the Internet or on a local Intranet. It is designed to locate, address and send out simple HTML pages to all other users who access these pages.

What is HTML(Hypertext Markup Language)

2009-03-02T01:59:00.001-08:00

Question :What is HTML(Hypertext Markup Language)?
Answer :It’s a method by which web pages can be built and generally used for formatting and linking text.

Which is the default Scripting Language on the client side

2009-03-02T01:58:00.000-08:00

Question :Which is the default Scripting Language on the client side?
Answer :JavaScript

What are LOCAL and GLOBAL variables

2009-03-02T01:57:00.000-08:00

Question :What are LOCAL and GLOBAL variables?
Answer :Local variables lifetime ends when the Procedure ends. Global variables lifetime begins at the start of the script and ends at the end of the script and it can be used by any procedure within the script. Declaring a variable by using the keyword PRIVATE makes the variable global within the script, but if declared using PUBLIC, then all scripts can refer the variable.

What is an Err Object

2009-03-02T01:56:00.000-08:00

Question :What is an Err Object?
Answer :Name it’s properties and methods.

What are Scripting Objects

2009-03-02T01:55:00.000-08:00

Question :What are Scripting Objects?
Answer :Objects that can enhance the application are known as the Scripting Objects. What is the Order of precedence for LOGICAL Operators. NOT, AND, OR, XOR, EQV, IMP

What is the command to display characters to the HTML page

2009-03-02T01:54:00.000-08:00

Question :What is the command to display characters to the HTML page?
Answer :Response.Write

What are Scripting Objects

2009-03-02T00:10:00.001-08:00

How many global.asa files can an Application have

2009-03-02T00:08:00.000-08:00

Question :How many global.asa files can an Application have?
Answer :Only one global.asa file and it’s placed in the virtual directory’s root.

How many global.asa files can an Application have

2009-03-02T00:07:00.000-08:00

Question :How many global.asa files can an Application have?
Answer :Only one global.asa file and it’s placed in the virtual directory’s root.

Explain the POST & GET Method or Explain the difference between them

2009-03-02T00:06:00.000-08:00

Question :Explain the POST & GET Method or Explain the difference between them?
Answer :POST METHOD: The POST method generates a FORM collection, which is sent as a HTTP request body. All the values typed in the form will be stored in the FORM collection. GET METHOD: The GET method sends information by appending it to the URL (with a question mark) and stored as A Querystring collection. The Querystring collection is passed to the server as name/value pair. The length of the URL should be less than 255 characters.

What is the difference between client-side script and server-side script

2009-03-02T00:03:00.000-08:00

Question :What is the difference between client-side script and server-side script?
Answer :Scripts executed only by the browser without contacting the server is called client-side script. It is browser dependent. The scripting code is visible to the user and hence not secure. Scripts executed by the web server and processed by the server is called server-side script.

What is application Object

2009-03-02T00:02:00.000-08:00

Question :What is application Object?
Answer :Shares information among users of an application. Gives a notification when an application starts or ends.

How can you change the primary scripting language for a page

2009-03-02T00:01:00.000-08:00

Question :How can you change the primary scripting language for a page?
Answer :Specify

What happens to ASP pages

2009-03-02T00:00:00.000-08:00

Question :What happens to ASP pages?
Answer :The browser makes a HTTP request; the server does the processing and gives a HTML response to the browser.

What happens to a HTML page

2009-03-01T23:59:00.000-08:00

Question :What happens to a HTML page?
Answer :The browser makes a HTTP request; the server gives a HTTP response to the browser and the browser converts into a HTML page.

What are the ASP Scripting Objects

2009-03-01T23:58:00.000-08:00

Question :What are the ASP Scripting Objects?
Answer :The Dictionary object, the FileSystemObject object, TextStream object.

What is a Form collection

2009-03-01T23:57:00.000-08:00

Question :What is a Form collection?
Answer :The Form collection holds the values of the form elements submitted with the POST method. This is the only way to generate a Form collection.

What is the difference between Querystring collection and Form collection

2009-03-01T23:56:00.000-08:00

Question :What is the difference between Querystring collection and Form collection?
Answer :The main difference is that the Querystring collection gets appended to a URL.

What is ServerVariables collection

2009-03-01T23:54:00.001-08:00

Question :What is ServerVariables collection?
Answer :The ServerVariables collection holds the entire HTTP headers and also additional items of information about the server.

What are the methods in Session Object

2009-03-01T23:53:00.000-08:00

Question :What are the methods in Session Object?
Answer :The Session Object has only one method, which is Abandon. It destroys all the objects stored in a Session Object and releases the server resources they occupied.

What are the attributes of the tags What are their functions

2009-03-01T23:52:00.000-08:00

Question :What are the attributes of the tags? What are their functions?
Answer :The two attributes are ACTION and METHOD The ACTION gives the name of the ASP file that should be opened next by which this file can access the information given in the form The METHOD determines which of the two ways (POST or GET) the browser can send the information to the server

What is Querystring collection

2009-03-01T23:51:00.000-08:00

Question :What is Querystring collection?
Answer :This collection stores any values that are provided in the URL. This can be generated by three methods: By clicking on an anchor tag By sending a form to the server by the GET method Through user-typed HTTP address It allows you to extract data sent to the server using a GET request.

What is the maximum size of an array

2009-03-01T23:48:00.000-08:00

Question :What is the maximum size of an array?
Answer :Up to 60 dimensions.

What is a variable

2009-03-01T23:47:00.000-08:00

Question :What is a variable?
Answer :Variable is a memory location through which the actual values are stored/retrieved. Its value can be changed.

Which is the default Data types in VBScript

2009-03-01T23:46:00.000-08:00

Question :Which is the default Data types in VBScript?
Answer :Variant is the default data type in VBScript, which can store a value of any type.

Which is the default Scripting Language of ASP (server-side)

2009-03-01T23:45:00.000-08:00

Question :Which is the default Scripting Language of ASP (server-side)?
Answer :VBScript

Give the comment Tags for the following

2009-03-01T23:44:00.000-08:00

Question :Give the comment Tags for the following?
Answer :VBScript : REM & ‘(apostrophe) JavaScript : // (single line comment) /* */ (Multi-line comments)

What is a "Virtual Directory"

2009-03-01T23:43:00.000-08:00

Question :What is a "Virtual Directory"?
Answer :Virtual directories are aliases for directory paths on the server. It allows moving files on the disk between different folders, drives or even servers without changing the structure of web pages. It avoids typing an extremely long URL each time to access an ASP page.

How can you disable the browser to view the code

2009-03-01T23:42:00.001-08:00

Question :How can you disable the browser to view the code?
Answer :Writing codes within the Tag

What is ASP

2009-03-01T23:27:00.000-08:00

Question :What is ASP?
Answer :ASP stands for Active Server Pages. It is a server side technology which is used to display dynamic content on web pages. For example you could write code that would give your visitors different information, different images or even a totally different page depending on what browser version they are using.