Technical Sathish Welcomes U

Frequently Asked Questions - Database Concepts

·        What are the different types of joins?

·        Explain normalization with examples.

·        What cursor type do you use to retrieve multiple recordsets?

·        Difference between a "where" clause and a "having" clause

·        What is the difference between "procedure" and "function"?

·        How will you copy the structure of a table without copying the data?

·        How to find out the database name from SQL*PLUS command prompt?

·        Takeoffs with having indexes

·        Talk about "Exception handling" in PL/SQL?

·        What is the difference between "NULL in C" and "NULL in Oracle?"

·        What is Pro * C? What is OCI?

·        Give some examples of analytical functions.

·        What is the difference between "translate" and "replace"?

·        What is DYNAMIC SQL method 4?

·        How to remove duplicate records from a table?

·        What is the use of analyzing the tables?

·        How to run SQL script from a Unix Shell?

·        What is a "transaction"? Why are they necessary?

·        Explain Normalization and De-normalization with examples.

·        When do you get constraint violation? What are the types of constraints?

·        How to convert RAW data type into TEXT?

·        Difference - Primary Key and Aggregate Key

·        How functional dependency is related to database table design?

·        What is a "trigger"?

·        Why can a "group by" or "order by" clause be expensive to process?

·        What are "HINTS"? What is "index covering" of a query?

·        What is a VIEW? How to get script for a view?

·        What are the Large object types supported by Oracle?

·        What is SQL*Loader?

·        Difference between "VARCHAR" and "VARCHAR2" data types.

·        What is the difference among "dropping a table", "truncating a table" and "deleting all records" from a table.

·        Difference between "ORACLE" and "MICROSOFT ACCESS" databases.

·        How to create a database link ?

Frequently Asked Questions - Object oriented Concepts

·        How do you write a program which produces its own source code as its output?

·        How can I find the day of the week given the date?

·        Why doesn't C have nested functions?

·        What is the most efficient way to count the number of bits which are set in a value?

·        How can I convert integers to binary or hexadecimal?

·        How can I call a function, given its name as a string?

·        How do I access command-line arguments?

·        How can I return multiple values from a function?

·        How can I invoke another program from within a C program?

·        How can I access memory located at a certain address?

·        How can I allocate arrays or structures bigger than 64K?

·        How can I find out how much memory is available?

·        How can I read a directory in a C program?

·        How can I increase the allowable number of simultaneously open files?

·        What's wrong with the call "fopen("c:\newdir\file.dat", "r")"?

·        What is the output of printf("%d")

·        What will happen if I say delete this

·        Difference between "C structure" and "C++ structure".

·        Difference between a "assignment operator" and a "copy constructor"

·        What is the difference between "overloading" and "overriding"?

·        Explain the need for "Virtual Destructor".

·        Can we have "Virtual Constructors"?

·        What are the different types of polymorphism?

·        What are Virtual Functions? How to implement virtual functions in "C"

·        What are the different types of Storage classes?

·        What is Namespace?

·        What are the types of STL containers?

·        Difference between "vector" and "array"?

·        How to write a program such that it will delete itself after execution?

·        Can we generate a C++ source code from the binary file?

·        What are inline functions?

·        Talk something about profiling?

·        How many lines of code you have written for a single program?

·        What is "strstream" ?

·        How to write Multithreaded applications using C++?

·        Explain "passing by value", "passing by pointer" and "passing by reference"

·        Write any small program that will compile in "C" but not in "C++"

·        Have you heard of "mutable" keyword?

·        What is a "RTTI"?

·        Is there something that I can do in C and not in C++?

·        Why pre-increment operator is faster than post-increment?

·        What is the difference between "calloc" and "malloc"?

·        What will happen if I allocate memory using "new" and free it using "free" or allocate sing "calloc" and free it using "delete"?

·        What is Memory Alignment?

·        Explain working of printf.

·        Difference between "printf" and "sprintf".

·        What is "map" in STL?

·        When shall I use Multiple Inheritance?

·        What are the techniques you use for debugging?

·        How to reduce a final size of executable?

·        Give 2 examples of a code optimization.

·        What is inheritance?

·        Difference between Composition and Aggregation.

·        Difference: Sequence Diagrams, Collaboration Diagrams.

·        Difference: 'uses', 'extends', 'includes'

·        What shall I go for Package Diagram?

·        What is Polymorphism?

·        Is class an Object? Is object a class?

·        Comment: C++ "includes" behavior and java "imports"

·        What do you mean by "Realization"?

·        What is a Presistent, Transient Object?

·        What is the use of Operator Overloading?

·        Does UML guarantee project success?

·        Difference: Activity Diagram and Sequence Diagram.

·        What is association?

·        How to resolve many to many relationship?

·        How do you represent static members and abstract classes in Class Diagram?

·        What does static variable mean?

·        What is a pointer?

·        What is a structure?

·        What are the differences between structures and arrays?

·        In header files whether functions are declared or defined?

·        What are the differences between malloc() and calloc()?

·        What are macros? what are its advantages and disadvantages?

·        Difference between pass by reference and pass by value?

·        What is static identifier?

·        Where are the auto variables stored?

·        Where does global, static, local, register variables, free memory and C Program instructions get stored?

·        Difference between arrays and linked list?

·        What are enumerations?

·        Describe about storage allocation and scope of global, extern, static, local and register variables?

·        What are register variables? What are the advantage of using register variables?

·        What is the use of typedef?

·        Can we specify variable field width in a scanf() format string? If possible how?

·        Out of fgets() and gets() which function is safe to use and why?

·        Difference between strdup and strcpy?

·        What is recursion?

·        Differentiate between a for loop and a while loop? What are it uses?

·        What are the different storage classes in C?

·        Write down the equivalent pointer expression for referring the same element a[i][j][k][l]?

·        What is difference between Structure and Unions?

·        What the advantages of using Unions?

·        What are the advantages of using pointers in a program?

·        What is the difference between Strings and Arrays?

·        In a header file whether functions are declared or defined?

·        What is a far pointer? where we use it?

·        How will you declare an array of three function pointers where each function receives two ints and returns a float?

·        what is a NULL Pointer? Whether it is same as an uninitialized pointer?

·        What is a NULL Macro? What is the difference between a NULL Pointer and a NULL Macro?

·        What does the error 'Null Pointer Assignment' mean and what causes this error?

·        What is near, far and huge pointers? How many bytes are occupied by them?

·        How would you obtain segment and offset addresses from a far address of a memory location?

·        Are the expressions arr and &arr same for an array of integers?

·        Does mentioning the array name gives the base address in all the contexts?

·        Explain one method to process an entire string as one unit?

·        What is the similarity between a Structure, Union and enumeration?

·        Can a Structure contain a Pointer to itself?

·        How can we check whether the contents of two structure variables are same or not?

·        How are Structure passing and returning implemented by the compiler?

·        How can we read/write Structures from/to data files?

·        What is the difference between an enumeration and a set of pre-processor # defines?

·        what do the 'c' and 'v' in argc and argv stand for?

·        Are the variables argc and argv are local to main?

·        What is the maximum combined length of command line arguments including the space between adjacent arguments?

·        If we want that any wildcard characters in the command line arguments should be appropriately expanded, are we required to make any special provision? If yes, which?

·        Does there exist any way to make the command line arguments available to other functions without passing them as arguments to the function?

·        What are bit fields? What is the use of bit fields in a Structure declaration?

·        To which numbering system can the binary number 1101100100111100 be easily converted to?

·        Which bit wise operator is suitable for checking whether a particular bit is on or off?

·        Which bit wise operator is suitable for turning off a particular bit in a number?

·        Which bit wise operator is suitable for putting on a particular bit in a number?

·        Which bit wise operator is suitable for checking whether a particular bit is on or off?

·        which one is equivalent to multiplying by 2:Left shifting a number by 1 or Left shifting an unsigned int or char by 1?

·        Write a program to compare two strings without using the strcmp() function.

·        Write a program to concatenate two strings.

·        Write a program to interchange 2 variables without using the third one.

·        Write programs for String Reversal & Palindrome check

·        Write a program to find the Factorial of a number

·        Write a program to generate the Fibonacci Series

·        Write a program which employs Recursion

·        Write a program which uses Command Line Arguments

·        Write a program which uses functions like strcmp(), strcpy()? etc

·        What are the advantages of using typedef in a program?

·        How would you dynamically allocate a one-dimensional and two-dimensional array of integers?

·        How can you increase the size of a dynamically allocated array?

·        How can you increase the size of a statically allocated array?

·        When reallocating memory if any other pointers point into the same piece of memory do you have to readjust these other pointers or do they get readjusted automatically?

·        Which function should be used to free the memory allocated by calloc()?

·        How much maximum can you allocate in a single call to malloc()?

·        Can you dynamically allocate arrays in expanded memory?

·        What is object file? How can you access object file?

·        Which header file should you include if you are to develop a function which can accept variable number of arguments?

·        Can you write a function similar to printf()?

·        How can a called function determine the number of arguments that have been passed to it?

·        Can there be at least some solution to determine the number of arguments passed to a variable argument list function?

·        How do you declare the following:

·        An array of three pointers to chars

·        An array of three char pointers

·        A pointer to array of three chars

·        A pointer to function which receives an int pointer and returns a float pointer

·        A pointer to a function which receives nothing and returns nothing

·        What do the functions atoi(), itoa() and gcvt() do?

·        Does there exist any other function which can be used to convert an integer or a float to a string?

·        How would you use qsort() function to sort an array of structures?

·        How would you use qsort() function to sort the name stored in an array of pointers to string?

·        How would you use bsearch() function to search a name stored in array of pointers to string?

·        How would you use the functions sin(), pow(), sqrt()?

·        How would you use the functions memcpy(), memset(), memmove()?

·        How would you use the functions fseek(), freed(), fwrite() and ftell()?

·        How would you obtain the current time and difference between two times?

·        How would you use the functions randomize() and random()?

·        How would you implement a substr() function that extracts a sub string from a given string?

·        What is the difference between the functions rand(), random(), srand() and randomize()?

·        What is the difference between the functions memmove() and memcpy()?

·        How do you print a string on the printer?

·        Can you use the function fprintf() to display the output on the screen?

·        What is an object?

·        What is the difference between an object and a class?

·        What is the difference between class and structure?

·        What is public, protected, private?

·        What are virtual functions?

·        What is friend function?

·        What is a scope resolution operator?

·        What do you mean by inheritance?

·        What is abstraction?

·        What is polymorphism? Explain with an example.

·        What is encapsulation?

·        What do you mean by binding of data and functions?

·        What is function overloading and operator overloading?

·        What is virtual class and friend class?

·        What do you mean by inline function?

·        What do you mean by public, private, protected and friendly?

·        When is an object created and what is its lifetime?

·        What do you mean by multiple inheritance and multilevel inheritance? Differentiate between them.

·        Difference between realloc() and free?

·        What is a template?

·        What are the main differences between procedure oriented languages and object oriented languages?

·        What is R T T I ?

·        What are generic functions and generic classes?

·        What is namespace?

·        What is the difference between pass by reference and pass by value?

·        Why do we use virtual functions?

·        What do you mean by pure virtual functions?

·        What are virtual classes?

·        Does c++ support multilevel and multiple inheritance?

·        What are the advantages of inheritance?

·        When is a memory allocated to a class?

·        What is the difference between declaration and definition?

·        What is virtual constructors/destructors?

·        In c++ there is only virtual destructors, no constructors. Why?

·        What is late bound function call and early bound function call? Differentiate.

·        How is exception handling carried out in c++?

·        When will a constructor executed?

·        What is Dynamic Polymorphism?

·        Write a macro for swapping integers.

Frequently Asked Questions - Servlets Concepts

·        How do u deal property files in servlet?

·        What methods do u use in Servlet - Applet communication ?

·        What are the types of Servlet ?

·        Difference between HttpServlet and Generic Servlets ?

·        Difference between doGet and doPost ?

·        What are the methods in HttpServlet?

·        What are the types of SessionTracking?

·        What is Cookie ? Why is Cookie used ?

·        If my browser does not support Cookie,and my server sends a cookie instance What will happen ?

·        Why do u use Session Tracking in HttpServlet ?

·        Can u use javaScript in Servlets ?

·        What is the capacity the doGet can send to the server ?

·        What are the type of protocols used in HttpServlet ?

·        What is meant by a servlet ?

·        What are the types of servlets ? Explain

·        What is the different between a Servlet and a CGI?

·        What is the difference between 2 types of Servlets ?

·        What is the type of method for sending request from HTTP server ?

·        What are the exceptions thrown by Servlets ? Why ?

·        What is the life cycle of a servlet ?

·        What is meant by cookies ?

·        What is HTTP Session ?

·        What is the difference between GET and POST methods ?

·        How can you run a Servlet Program ?

·        How to commuincate between an applet and a servlet ?

·        What is a Servlet-to-Servlet communcation ?

·        What is Session Tracking ?

·        What are the security issues in Servlets ?

·        What is HTTP Tunneling?

·        How do you load an image in a Servlet ?

·        What is Servlet Chaining ?

·        What is URL Rewriting ?

·        What is context switching ?

·        How will you pass values from HTML page to the Servlet ?

·        What is Servlet API used for conneting database ?

·        In servlets, we are having a web page that is invoking servlets? Username and password ? which is checks in the database ? Suppose the second page also If we want to verify the same information whethe it will connect to the database or it will be used previous information?

·        What are virtual functions ?

·        Write down how will you create a binary Tree ?

·        What are the traverses in Binary Tree ?

·        Write a program for recursive Traverse ?

·        What are session variable in Servlets ?

·        What is client server computing ?

·        What is meant by Servelet? What are the parameters of the Service Method ?

·        What is meant by Session ? Tell me something about HTTPSession Class ?

·        How do you invoke a Servelt? What is the difference in between DoPost and doGet methods ?

·        What is the difference in between the HTTPServlet and Generic Servlet?

·        Expalin their methods ? Tell me their parameter names also Have you used threads in Servelet ?

·        How do you load an Image in a Servlet ?

·        Explain Servlet Life cycle?

·        Why do you go for servlet rather than CGI

Frequently Asked Questions - Visual Basic

·        Which controls can not be placed in MDI ?

·        List out controls which does not have events

·        Which property of textbox cannot be changed at runtime. What is the max size of textbox?

·        How many system controls are available

·        ___,_____ and ____ container objects.

·        ___ Property is to compress a image in image control.

·        ___,___ and __ are difference between image and picture controls.

·        To.set the command button for ESC ___ Property has to be changed.

·        Is it possible to set a shortcut key for label.

·        What is the default property of data control.

·        ___,__,___ are the type of combo box?

·        __ no of controls in form.

·        OLE is used for _______

·        What is the need of tab index property is label control.

·        ___ is the control used to call a windows application.

·        Clear property is available in ____,___ control.

·        ___ Property is used to count no. of items in a combo box.

·        ___ is a property to resize a label control according to your caption.

·        Which controls have refresh method.

·        ___ property is used to change to ___ value to access a identity column'in data controls.

·        _____ is the property to ___,____,____ are valid for recordsource property of dat control.

·        To find the current recordposition in data control.

·        Timer control contains ________ no. of events.

·        ____ property is used to lock a textbox to enter a datas.

·        What is the need of zorder method?

·        ____ is the difference between Listindex and Tab index.

·        ____ property of menu cannot be set at run time.

·        Can you create a tabletype of recordset in Jet - connected ODBC dbengine.

·        Difference between listbox and combo box.

·        What are the new events in textbox that has been included in VB6.0

·        Can you create a updatecascade, Deletecascade relation in Ms- Access? If no, give on eample.

·        _____ collection in recordset used to assign a value from textbox to table columns without making abinding in datacontrol.

·        ___ argument can be used to make a menuitem into bold.

·        What is the difference between Msgbox Statement and MsgboxQ function?

·        What is.the difference between query unload and unload in form?

·        ___,___ arguments will be used to run a executable program in shell function

·        ___ property used to add a menus at runtime.

·        What is the difference between modal and modeless window?

·        ___ VB constant make the menu item in centre.

·        ___ method used to move a recordset pointer in nth position in DAG.

·        To validate a range of values for a property whenever the property values changes,which type of property procedure you use?

·        What are 3 main differences between flexgrid control and dbgrid control?

·        What is the difference between change event in normal combobox and dbcombobox?

·        To populate a single column value which dbcontrols you to use?

·        What is ODBC?

·        Parts of ODBC?

·        What is DSN?

·        What is DAO?

·        Types of cursors in DAO?

·        Types of LockEdits in DAO? 51 .Types of Recordsets.

·        Difference between Tabletype and Snapshot?

·        Draw Sequence Modal of DAO? Explain.

·        Difference between Dynaset and Snapshot?

·        Difference between Recordset and Querydef?

·        What is the use of Tabledef?

·        Default cursor Type and LockEdit type in DAO?

·        What is the default workspace?

·        Is it posible to Create Tables Through Querydef?

·        It is possible to access Text (x.txt) files? Explain.

·        What is ODBC Direct and Microsoft Jet Database Engine ?

·        Is it possible to Manipulate data through flexgrid? Explain.

·        Types of DBCombo boxes

·        What do you mean by Databound Controls? Explain.

·        What is RDO?

·        Types of cursors in RDO.

·        Types of LockEdits in RDO.

·        Types of LockEdits in RDO.

·        Types of Resultsets.

·        Difference between Recordset and Resultsets.

·        Explain Default cursor Type and LockEdits type in RDO

·        Draw Sequence Modal of RDO? Explain.

·        What is meant by Establish Connection in RDO? 74.1s it possible to Access BackEnd procedures? Explain.

·        What is OLE? Explain.

·        What is DDE?

·        Difference between Linked Object and Embedded Object?

·        Explain OLE Drag and Drop.

·        Difference between DDE and OLE.

·        What is the difference between Object and Class?

·        Give brief description about class?

·        Does VB Supports OOPS Concepts? Explain..

·        Difference between Class Module and Standard Module?

·        Explain Get, Let, Set Properties.

·        Difference Types of Procedures in VB?

·        What is the use of NEW Keyword? Explain.

·        What is constructors and destructors.

·        Types of Modal windows in VB.

·        What is ActiveX? Explain.

·        Types of ActiveX Components in VB?

·        Difference between ActiveX Control and Standard Control.

·        Difference between ActiveX Exe and DLL.

·        What is instantiating?

·        Advantage of ActiveX DLL over Active Exe.

·        Difference Types of Instancing Property in ActiveX DLL and Exe.

·        What is ActiveX DLL and ActiveX Exe?

·        Write the steps in Creating ActiveX DLL and Active Exe?

·        Explain the differences between ActiveX DLL and ActiveX Exe?

·        How would you use ActiveX DLL and ActiveX Exe in your application?

·        How would you access objects created in ActiveX Exe and ActiveX D1T

·        What is the use of ActiveX Documents?

·        What is ActiveX Document?

·        What is the use of Visual Basic Document file?

·        What is hyperlink?

·        How would you create Visual basic Document file?

·        What is Internet Explorer and its uses?

·        How would you navigate between one document to another document

·        in Internet Explorer ?

·        How would you run your ActiveX Document Dll?

·        How would you view html code in Active Server Pages?

·        How would you cre.ate your application in DHTML?

·        What is ActiveX Control?

·        Write the Steps in Creating an ActiveX Control?

·        How would you attach an ActiveX control in Your Application?

·        How would you create properties in ActiveX Control?

·        What is the-use of property page Wizard in ActiveX Control?

·        How would you add elements in TreevieW Control.

·        What are the types of line styles available in Treeview Control?

·        What is the use of Imagelist Controls

·        How would you attach pictures in Treeview Control?

·        What are the uses of List View Control?

·        Explain the types of Views in Listview Control.

·        How would you attach pictures in column headers of List View Control?

·        How would you add column headers in listview control?

·        How would you add elements and pictures to listitems in listview control?

·        How would you activate animation control?

·        What is the use of progress Bar Control?

·        How would you find out the value property in Slider Bar Control?

·        What is the use of Data Form Wizard?

·        How would you map properties to controls by using ActiveX Control Interface Wizard?

·        How would you convert a form into document?

·        How would you Create a Query Builder and Explain its uses

·        How would you create properties by using class Builder Wizard?

·        HTML stands for What? Use of HTML ?

·        Whether HTML supports multimedia: and document links?

·        DHTML Is used for what?

·        What do you mean by HTTP?

·        What is the use of Hyperlink control for DHTML applications?

·        How can you Navigate from the DHTML application to another DHTML application? .

·        What are the Internet tools available in VB6.0?

·        Explain the usage of Web Browser Control?

·        What do you mean by ADO?

·        What is the difference Between ADO and other data access objects0

·        What is OLEDB?

·        What are the important components of OLEDB?

·        Through which protocol OLEDB components are interfaced?

·        It possible to call OLEDB's Features directly in VB without using any control?

·        What type of databases you can access through AD I Data Access Object?

·        How many objects resides in ADO ?

·        What is the use of Connection object?

·        What is the use of command Object?

·        Recordset object consists what?

·        What is the use of parameters collection?

·        Which type of object requires this object?

·        Is it possible to call backend procedures with ADO control?

·        Is there any Edit method in ADO Data Access method?

·        How can you check whether a record is valid record or Invalid record using ADO control or Object?

·        What do you mean by provider?

·        What type of recordsets are available in ADO?

·        Is it possible to call oracle database through ADO control or Object?

·        How many File System Controls are there ? Explain.

·        How can you filter out specific type of file using file system controls?

·        How can you get selected file from file system Control?

·        How many ways we can access file-using VB?

·        Which method is preferred to save data  like database?

·        How to get free file location in memory?

·        How to find size of the file. Which method or function is used to accomplish this?

·        Using which type we can access file line by line?

·        Which method is used to write context Into file?

·        How can you read content from file?

·        Binary Access-method issued to access file in which manner?

·        How can you check Beginning and End of the file?

·        What is the use of Scalewidth and ScaleHeight Proeperty?

·        What is the use of Active Control Property?

·        How can you save and Get data from Clipboard/

·        What are the types of Error?

·        In which areas the Error occurs?

·        What are the tools available for Debuggiu in VB?

·        What is the use of Immediate, Local Window?

·        What is the use of debug Window?

·        How can you Implement windows functionality in VB?

·        How many types of API functions are availble in VB?

·        How can you Add API functions to your Application?

·        How to get Cursor position using API?

·        Is it possible to change menu runtime using API? If yes? Specify the function names.

·        What are the types of API Types.

·        Scope of API's can be of types, what are they? Why API functions are Required?

Frequently Asked Questions - RMI Concepts

·        Why do you use UniCastRemoteObject in RMI ?

·        How many interfaces are used in RMI?

·        Can Rmi registry be written in the code, without having to write it in the command prompt and if yes where?

·        Why is Socket used ?

·        When MalformedURLException and UnknownHost Exception throws ?

·        What is meant by RMI ?

·        Explain RMI Architecture ?

·        What is meant by a stub ?

·        What is meant by a skeleton ?

·        What is meant by serialization and deserialisation ?

·        What is meant by RRL ?

·        What is the use of TL ?

·        What is RMI Registry ?

·        What is rmic ?

·        How will you pass parameter in RMI ?

·        What exceptions are thrown by RMI ?

·        What are the steps involved in RMI ?

·        What is meant by bind(), rebind(), unbind() and lookup() methods?

·        What are the advantages of RMI ?

·        What is JNI ?

·        What is Remote Interface ?

·        What class is used to create Server side object ?

·        What class is used to bind the server object with RMI Registry ?

·        What is the use of getWriter method ?

·        Explain RMI Architecture?

·        What is the difference between RMI & Corba ?

·        What are the services in RMI ?

·        In RMI, server object first loaded into the memory and then the stub Reference is sent to the client ? or whether a stub reference is directly sent to the client ?

·        Suppose server object is not loaded into the memory, and the Client request for it , what will happen?

·        What is serialization?

·        Can you load the server object dynamically? If so, what are the Major 3 steps involved in it ?

·        What is difference RMI registry and OS Agent ?

·        To a server method, the client wants to send a value 20, with this value exceeds to 20,. a message should be sent to the client ?

·        What will you do for achieving for this ?

·        Can you run the product development on all operating systems

·        Can we send object using Sockets ?

·        What is the RMI and Socket ?

·        What is the protocol used by server and client ?

·        Can I modify an object in CORBA ?

·        What is the functionality stubs and skeletons ?

·        What is an RMI?

·        How will you pass parameters in RMI ? Why u serialize?

·        What is the main functionality of the Remote Reference Layer

·        How do you download stubs from a Remote place ?

·        I want to store more than 10 objects in a remote server ? Which Methodology will follow ?

·        Write a program on RMI and JDBC using StoredProcedure ?

·        What is meant by distributed Application ? Why we are using that in our applications ?

·        What is the functionality of the stub ?

·        How to generate skeleton & Stub classes?

·        Explain lazy activation?

·        Firewalls in RMI

Frequently Asked Questions - Web Technology Concepts

·        What is HTTP? Explain its working?

·        What is DNS?

·        Why do I need a domain name like 'www.aucse.Com'?

·        What happens when I type in some URL and press enter?

·        How does CGI work? Can I use 'C' language to write a CGI?

·        Working of Proxy Server, Cookies, and types of cookies?

·        What is Firewall?

·        How to redirect to another page?

·        Some questions on web servers.

·        What is DOM?

·        Connection Pooling in IIS 3.0 and 4.0

·        What is Code Base, Style Sheets?

·        Need for CSS

·        DHTML: Difference between Font Size and Font Size?

·        Layers in TCP/IP

·        Some sites work with "http://sitename.com" but for some sites we need to specify "www" - like "http://www.sitename.com". Why?

·        Explain "URL Encoding",HTML "entity", GET method, POST method

·        If we force XML for web design, the browser size will reduce. How?

·        How does DTD work?

·        Difference between ASP and DHTML?

·        How to create virtual directory in IIS?

·        Can I host multiple sites on same machine?

·        Administration of IIS.

·        Some questions on ODBC and internet.

·        XML and preparatory databases.

·        Working of ping, telnet, gopher.

·        Some questions about cross-browser compatibility.