.NET questions

1. Differences between DLL and EXE?
2. Can an assembly have EXE?
3. Can a DLL be changed to an EXE?
4. Compare & contrast rich client (smart clients or Windows-based) & browser-based Web application
5. Compare Client server application with n-Tier application
6. Can a try block have more than one catch block?
7. Can a try block have nested try blocks?
8. How do you load an assembly at runtime?
9. If I am writing in a language like VB or C++, what are the procedures to be followed to support .NET?
10. How do you view the methods and members of a DLL?
11. What is shadowing?
12. What are the collections you’ve used?

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ASP and ASP.NET questions

1. Explain the life cycle of an ASP .NET page.
2. Explain the .NET architecture.
3. What are object-oriented concepts?
4. How do you create multiple inheritance in c# and .NET?
5. When is web.config called?
6. How many weg.configs can an application have?
7. How do you set language in weg.config?
8. What does connection string consist of?
9. Where do you store connection string?
10. What is abstract class?
11. What is difference between interface inhertance and class inheritance?
12. What are the collection classes?
13. What are the types of threading models?
14. What inheritance does VB.NET support?
15. What is a runtime host?
16. Describe the techniques for optimizing your application?
17. Differences between application and session
18. What is web application virtual directory?
19. Differences between Active.exe and Dll
20. Connection pooling in MTS?
21. If cookies is disabled in client browser, will session tracking work?
22. How do you make your site SSL-enabled?
23. Will the following code execute successfully: response.write(’value of i=’+i);
24. What are the provides available with VB.NET?
25. What is a Process, Sesion and Cookie?
26. What are Abstract base classes?
27. What are the Difference between bstract base classes and Abstrat classes
28. What are interface in .NET?
29. How is Polymorphism supports in .NET?
30. What are the 2 types of polymorphism supports in .NET?
31. Types of compatibilities and explain them.
32. What is aggregative? How can it be implements in .NET?
33. Difference between COM components and .NET components?how to register it
34. Difference between early binding and late binding?
35. ASP.NET OBJECTS?
36. Asp.NET life cycle? When request mode
37. Explain ADO and its objects.
38. What is side by side execution?
39. Explain serialization?
40. Explain a class access specifiers and method acess specifiers.
41. What is the difference between overloading and overriding ? how can this be .NET
42. Explain virtual function and its usage.
43. How do you implement inhetance in .NET?
44. If I want to override a method 1 of class A and this class B then how do you declared
45. Explain friend and protected friend.
46. Explain multiple and multi_level inheritance in .NET?
47. Name all kind of access specifiers for a class and for methods?
48. On ODP.NET
49. What is non-derterministic finalization?
50. What is isPostback property?
51. What is dictionary base class?
52. How can a class be extended and how is this mechanism difff from that of implementation an interface?
53. What are indexes .NET?
54. How can indexes be implemented in .NET?

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J2EE interview questions and answers

1. What makes J2EE suitable for distributed multitiered Applications?
   - The J2EE platform uses a multitiered distributed application model. Application logic is divided into components according to function, and the various application components that make up a J2EE application are installed on different machines depending on the tier in the multitiered J2EE environment to which the application component belongs. The J2EE application parts are:
   • Client-tier components run on the client machine.
   • Web-tier components run on the J2EE server.
   • Business-tier components run on the J2EE server.
   • Enterprise information system (EIS)-tier software runs on the EIS server.
2. What is J2EE? - J2EE is an environment for developing and deploying enterprise applications. The J2EE platform consists of a set of services, application programming interfaces (APIs), and protocols that provide the functionality for developing multitiered, web-based applications.
3. What are the components of J2EE application?
   - A J2EE component is a self-contained functional software unit that is assembled into a J2EE application with its related classes and files and communicates with other components. The J2EE specification defines the following J2EE components:
   1. Application clients and applets are client components.
   2. Java Servlet and JavaServer Pages technology components are web components.
   3. Enterprise JavaBeans components (enterprise beans) are business components.
   4. Resource adapter components provided by EIS and tool vendors.
4. What do Enterprise JavaBeans components contain? - Enterprise JavaBeans components contains Business code, which is logic
   that solves or meets the needs of a particular business domain such as banking, retail, or finance, is handled by enterprise beans running in the business tier. All the business code is contained inside an Enterprise Bean which receives data from client programs, processes it (if necessary), and sends it to the enterprise information system tier for storage. An enterprise bean also retrieves data from storage, processes it (if necessary), and sends it back to the client program.
5. Is J2EE application only a web-based? - No, It depends on type of application that client wants. A J2EE application can be web-based or non-web-based. if an application client executes on the client machine, it is a non-web-based J2EE application. The J2EE application can provide a way for users to handle tasks such as J2EE system or application administration. It typically has a graphical user interface created from Swing or AWT APIs, or a command-line interface. When user request, it can open an HTTP connection to establish communication with a servlet running in the web tier.
6. Are JavaBeans J2EE components? - No. JavaBeans components are not considered J2EE components by the J2EE specification. They are written to manage the data flow between an application client or applet and components running on the J2EE server or between server components and a database. JavaBeans components written for the J2EE platform have instance variables and get and set methods for accessing the data in the instance variables. JavaBeans components used in this way are typically simple in design and implementation, but should conform to the naming and design conventions outlined in the JavaBeans component architecture.
7. Is HTML page a web component? - No. Static HTML pages and applets are bundled with web components during application assembly, but are not considered web components by the J2EE specification. Even the server-side utility classes are not considered web components, either.
8. What can be considered as a web component? - J2EE Web components can be either servlets or JSP pages. Servlets are Java programming language classes that dynamically process requests and construct responses. JSP pages are text-based documents that execute as servlets but allow a more natural approach to creating static content.
9. What is the container? - Containers are the interface between a component and the low-level platform specific functionality that supports the component. Before a Web, enterprise bean, or application client component can be executed, it must be assembled into a J2EE application and deployed into its container.
10. What are container services? - A container is a runtime support of a system-level entity. Containers provide components with services such as lifecycle management, security, deployment, and threading.
11. What is the web container? - Servlet and JSP containers are collectively referred to as Web containers. It manages the execution of JSP page and servlet components for J2EE applications. Web components and their container run on the J2EE server.
12. What is Enterprise JavaBeans (EJB) container? - It manages the execution of enterprise beans for J2EE applications.
    Enterprise beans and their container run on the J2EE server.
13. What is Applet container? - IManages the execution of applets. Consists of a Web browser and Java Plugin running on the client together.
14. How do we package J2EE components? - J2EE components are packaged separately and bundled into a J2EE application for deployment. Each component, its related files such as GIF and HTML files or server-side utility classes, and a deployment descriptor are assembled into a module and added to the J2EE application. A J2EE application is composed of one or more enterprise bean,Web, or application client component modules. The final enterprise solution can use one J2EE application or be made up of two or more J2EE applications, depending on design requirements. A J2EE application and each of its modules has its own deployment descriptor. A deployment descriptor is an XML document with an .xml extension that describes a component’s deployment settings.
15. What is a thin client? - A thin client is a lightweight interface to the application that does not have such operations like query databases, execute complex business rules, or connect to legacy applications.
16. What are types of J2EE clients? - Following are the types of J2EE clients:
    • Applets
    • Application clients
    • Java Web Start-enabled rich clients, powered by Java Web Start technology.
    • Wireless clients, based on Mobile Information Device Profile (MIDP) technology.
17. What is deployment descriptor? - A deployment descriptor is an Extensible Markup Language (XML) text-based file with an .xml extension that describes a component’s deployment settings. A J2EE application and each of its modules has its own deployment descriptor. For example, an enterprise bean module deployment descriptor declares transaction attributes and security authorizations
    for an enterprise bean. Because deployment descriptor information is declarative, it can be changed without modifying the bean source code. At run time, the J2EE server reads the deployment descriptor and acts upon the component accordingly.
18. What is the EAR file? - An EAR file is a standard JAR file with an .ear extension, named from Enterprise ARchive file. A J2EE application with all of its modules is delivered in EAR file.
19. What is JTA and JTS? - JTA is the abbreviation for the Java Transaction API. JTS is the abbreviation for the Jave Transaction Service. JTA provides a standard interface and allows you to demarcate transactions in a manner that is independent of the transaction manager implementation. The J2EE SDK implements the transaction manager with JTS. But your code doesn’t call the JTS methods directly. Instead, it invokes the JTA methods, which then call the lower-level JTS routines. Therefore, JTA is a high level transaction interface that your application uses to control transaction. and JTS is a low level transaction interface and ejb uses behind the scenes (client code doesn’t directly interact with JTS. It is based on object transaction service(OTS) which is part of CORBA.
20. What is JAXP? - JAXP stands for Java API for XML. XML is a language for representing and describing text-based data which can be read and handled by any program or tool that uses XML APIs. It provides standard services to determine the type of an arbitrary piece of data, encapsulate access to it, discover the operations available on it, and create the appropriate JavaBeans component to perform those operations.
21. What is J2EE Connector? - The J2EE Connector API is used by J2EE tools vendors and system integrators to create resource adapters that support access to enterprise information systems that can be plugged into any J2EE product. Each type of database or EIS has a different resource adapter. Note: A resource adapter is a software component that allows J2EE application components to access and interact with the underlying resource manager. Because a resource adapter is specific to its resource manager, there is typically a different resource adapter for each type of database or enterprise information system.
22. What is JAAP? - The Java Authentication and Authorization Service (JAAS) provides a way for a J2EE application to authenticate and authorize a specific user or group of users to run it. It is a standard Pluggable Authentication Module (PAM) framework that extends the Java 2 platform security architecture to support user-based authorization.
23. What is Java Naming and Directory Service? - The JNDI provides naming and directory functionality. It provides applications with methods for performing standard directory operations, such as associating attributes with objects and searching for objects using their attributes. Using JNDI, a J2EE application can store and retrieve any type of named Java object. Because JNDI is independent of any specific implementations, applications can use JNDI to access multiple naming and directory services, including existing naming and
    directory services such as LDAP, NDS, DNS, and NIS.
24. What is Struts? - A Web page development framework. Struts combines Java Servlets, Java Server Pages, custom tags, and message resources into a unified framework. It is a cooperative, synergistic platform, suitable for development teams, independent developers, and everyone between.
25. How is the MVC design pattern used in Struts framework? - In the MVC design pattern, application flow is mediated by a central Controller. The Controller delegates requests to an appropriate handler. The handlers are tied to a Model, and each handler acts as an adapter between the request and the Model. The Model represents, or encapsulates, an application’s business logic or state. Control is usually then forwarded back through the Controller to the appropriate View. The forwarding can be determined by consulting a set of mappings, usually loaded from a database or configuration file. This provides a loose coupling between the View and Model, which can make an application significantly easier to create and maintain. Controller: Servlet controller which supplied by Struts itself; View: what you can see on the screen, a JSP page and presentation components; Model: System state and a business logic JavaBeans.

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HR Interview Questions

Interview is very important because it decides your future and gives you an employment in the desired field. HR interview questions are particularly important because HR expects you to ask him some questions about the company, your job responsibilities, day to day functions, etc.

He might also judge your level of confidence when you are asking him questions.
You can ask questions to HR but do limit the number of questions you would be asking him because it should not become the other way round. Don’t provoke the HR it can have negative implications on your profile if you are selected also it will have implication on your confidentiality report. Ask genuine questions to the interviewer don’t try to fake your personality. Ask questions which are relevant to the company, job position, responsibilities, dress code, etc.

There are instances where candidates got rejected because of being over aggressive don’t let that happen to you. Be polite and wait for the reply from the HR and then shot your next question. If there is any clarification ask him to elaborate on that particular topic don’t hesitate. Framing of questions is very important firstly he needs to understand what you are saying and secondly he will be judging you. Remember you are in the interview till the last moments don’t ever forget that.

Soft skills are very essential and are mostly required by many companies so develop them. Generally HR interview questions are asked after the general completion of the interview. Greet him and thank him for giving the opportunity to speak and clarify your doubts. Don’t abruptly get started with the questionnaire. Have a pencil or pen and a paper to make some important notes. Never try to make a fool out of the HR or underestimate his caliber. He is talented and has been interviewing candidates for quiet a while.

Some of the important questions to be asked to the HR are as follows: -
 

1) How is the work environment in your company?
 

2) How often can salary raise be expected?
 

3) What would be the work timings?
 

4) Can you please tell me some of my job responsibilities?
 

5) How should a sub ordinate address the management?
 

If you would like to know whether you are through the interview or not you can frame your questions in this manner: -

What do you think are the chances of me getting this job?
Generally HR people will never respond to these questions and their favorite reply is we need to interview other candidates you can counter this by asking
 

Think I am the only person or candidate for this job position then would you give me the job?
If the interviewer hesitates in replying to this question then there are a lesser number of chances for you to pass through the interview. Generally it is good to wait till the final result is out may be you are through.
 

6) Can you tell me about the company`s policies, work ethics, and vision?
 

7) What exactly does the company expect from me?
This question will clarify you about your job responsibilities. It gives you an exact picture. It also gives you the area you need to concentrate on.
 

8) What are the various benefits I obtain from this company?
 

9) Will I be provided with pick up and drop (travel benefits)?
 

10) How many branches are present for our company and what are the chances of me being posted near by?
 

11) Will the company provide scholarships or encourage higher studies?
Generally it is good to know the HR interviewer name and title because you can address him by those. It is good to have this information prior because it can help you.
 

12) How many employees will be assigned to my team?
OR
With how many employees I need to work with?
 

13) What are the chances of promotion and what is the criterion for higher level position?
 

14) Is there any bond, advance or bond I need to sign?
 

15) Still are there any more rounds of interview?
 

16) Can I know about the company policy of equal opportunity and pay?
 

17) How often would I go on tours?
 

18) Will the company relocate me?
 

19) Where branch would I report to and specifically to whom should I report?
 

20) Which technology would I be working on?
 

21) Can you give me a brief job description?
There will be many questions on cafeteria, lunch, discounts, offers, gym, facilities, etc. Make a note that all these questions are not mean to be specifically for a fresher or experience it all depends upon the situation, experience, achievements, job position etc. Try no to ask all these questions just pick a few and ask the interviewer.

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Common Interview Questions

These are some of the most common questions which you will have to face. These questions will be there no matter what job you step into. Make sure that you read these questions and reply it to them in your own words. This process not only gives you confidence but it also makes you acquaint with the questions being asked.

1) Describe about yourself
Answer to this question should be short and simple. Don’t make it a one liner per se but describe yourself. Here you will have all the chances to impress the interviewer so make sure that you tell about your achievements, projects done and positions held.

2) How was your work experience in your previous company?
This is a trick question in which you should be explaining about your work experience in your previous company. Be as much positive as you can during this question. Make sure that you tell about your technical and managerial experience. Work environment, meeting of deadlines, party`s, encouragement, motivation factors which made you to work should be stated.

3) What made you to leave ABCDEF Company?
Always the biggest mistake made by many people is to express negative feelings about your previous company. Rather express about positive side of your problems. If you are getting low pay make sure that you say that I looked for better pay structure than my current offering based upon the experience which I have.

4) Why this company and what made you to apply for this company?
This is the chance to tell about the research you have done on the company you have just applied for. Express everything you know about the company in an orderly fashion, don’t pick a point from here and there to impress the interviewer. Important interviewer knows much more about the company than you.

5) To how many organizations did you apply for?
Tricky question make sure that you be honest with him. Don’t spend too much time in this area. Tell about why you applied for this organization and in which way you can offer your experience to this concern.

6) Can you provide references about your work?
Be honest with this question and also make sure that you have documents which suffix about your work experience. Give your work experience documents from your previous employer which will suffix.

7) Tell me about your work?
Detail about your work area. This is one of the most important answer be as brief as you can and make sure you tell the interviewer about how you would like to expand you career and put your experience for betterment of the company. Technical knowledge and team play qualities should be described.

8) Did anytime in your career you fired any one and what was the reaction?
Important question for team leads, superiors, etc. While answering this question always remember that firing someone requires a detail description of why you had done it be specific and answer this question. Don’t take negative stance or positive stance organization should be the prime concern.

9) Why should we hire you into our organization?
In this question interviewer is not testing you but he is asking you to detail about your job profile and its relevance with the job description of the company. Make sure not to get defensive about this question.

10) What do you hate in your work place?
Explain all that hates you around the work place or in your own work place it can be cluster of papers all around, neatness, music or sound, camera, mobile ringtones, etc. Don’t be pessimist and take negative stance.

11) Can you please explain me about your project and its benefits?
In this question the interviewer is testing your technical knowledge and wants to know about your project don’t expect him to be dumb he already knows about it. Make sure that you be as detail as possible.

12) Was this project interesting?
Trick question he wants to know whether you were involved in the project and team played with others. Be specific and detailed explaining him all that he wants again which is basically your work experience. Tell him how you guys enjoyed after the project.

13) How long will you work with the organization?
Make sure that you answer this question with utmost clarity. Be honest and at the same time don’t make him/ her provoked to disqualify you. If you are planning for a retirement say it after ten years I will be retiring.

14) What were the timings of your previous organization are you flexible?
Interviewer wants to know about your late night shifts and shift timings. Tell him about how you completed the project by working late night or working on odd days which can impress him.

15) What is your passion?
Tell about your passion and how you are constantly developing it. Passion is something which you would like to do so express optimism and positive attributes while answering this question.

16) Will you relocate or take tours?
Answer this question honestly because that’s what you will be assigned with in your new job, tours and changing places. Make sure that you answer him honestly. A little bit of travelling is always present in jobs.

17) Any questions you would like to ask me?
There should be questions to ask your interviewer. Otherwise you might have understood everything clearly and picture perfect or else you are dumb to understand anything. They should be related to your future employment.

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Wipro Interview Questions

Wipro technology and Outsourcing Company is headquartered in Bangalore and it is listed in NYSE. It is one of the leading players in IT and BPO space. Their origin dates back to pre-independence era and is widely recognized world wide for its products and services.
 

Interview for WIPRO Company comprises of three stages
1) Written test which is of 50 marks and has time duration of 1 hour.
2) Technical interview
3) HR interview
 

Many of the candidates appearing for WIPRO fail to pass through the Technical interview due to lack of basics. Questions are easy if you have basic understanding of object oriented languages and Java. They are also recognized for their extensive background check of a candidate. They thoroughly check the credentials of the candidate and it is also good to be honest before the interviewer. Working in WIPRO gives a candidate global exposure and makes them much more favorable for other Indian companies.
 

Some of the interview questions asked by the HR team of Wipro are as follows: -
1) Give the difference between C and ANSI C?
2) Why should programmers use object oriented programming?
3) Give difference between compile time error and run time error?
4) Why Java is used extensively in today`s applications what makes it different from other languages?
5) Describe about applet lifecycle?
6) For what purposes programmers use Encapsulation? State some uses of it?
7) How do you design the project layout or the outline or structure of a program?
8) Explain some of the concepts of Java design patterns?
9) Why should a programmer use C instead of C++?
10) State some uses of RDBMS?
11) Mention the different stages of software design?
12) What are the different protocols present while transferring data from one web browser to another browser?
 

When you are attending to a multinational company like Wipro it is always good to maintain positive attire, eye contact, body language, confidence while answering and the most important aspect is Integrity.
 

These are some of the questions related to written test. Written test is very important because it gives you a chance to speak with the technical HR from where you can exhibit your skills. So it is imperative that you pass the written test. Here are some questions which are related to written test. There would be approximately 50 questions and there is no negative marking. The split up is
(i) Verbal approximately fifteen questions
(ii) Analytical approximately fifteen questions
(iii) Technical approximately twenty questions
 

The allotment will differ. Here are some few analytical questions
1) A business man buys a property at three-fifth of its value and sells it for 5 per cent more than its value. What will be the total profit in this deal
 

2) Ramu has brought an old car for Rs.35, 000 and spent 25% of the cost on its repair. If he wants to earn Rs 7000 as net profit on it, how much percentage should he add to the purchase price of the car?
 

3) Siri bought a VCD and got 5% of its original price as dealer’s discount. She then sold it with 10% profit on his purchase price. What percentage profit did she get on the original price of the VCD?
 

4) The sum of the number and its reciprocal is twice the difference of the number and its reciprocal. Explain the answer and the number you have obtained?
 

5) An empty fuel tank of car was filled with `A` type of petrol and when it became half empty they filled it with `B` type of petrol. Again when the tank was half empty, it was filled with `A` type of petrol. When the tank was half empty again, it was filled with B type of petrol. What was the percentage of `A` type of petrol in tank?
 

It is better to read books such as Barron’s on verbal ability. There are questions available on this website which is related to technical. 

Here are some questions which give you an understanding about the process and the method you need to prepare: -
 

1) What is the difference between SQL and PL/SQL? State and explain the various uses of the languages?
 

2) What was the main reason behind the creation of .NET platform?
 

3) What is reusability and state some examples? etc
Interview questions related to HR
 

1) The famous question Tell me about your self?
 

2) What do you know about Wipro and its job environment?
 

3) Tell me about your project and explain its uses, features and disadvantages?
 

4) Give us a one good reason to hire you?
 

5) What are all the different languages you know? State some examples and features, uses of the language you know?
 

6) Why did you choose IT field any specific importance?
 

7) How did your education background help you in career in IT field?
 

8) What hobbies and interests do you have and what interests you in them?
 

9) Can you explain about new features of your favorite language, add on`s, etc?
 

10) What are the different ways in which you can exploit a website?

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TCS Interview Questions

TCS one of the premier and oldest software company in India. It has operations in more than 50 countries and has 155 centers from where it churns out its client needs. It is a multi national company and has huge clientele which boosts its credibility to much greater heights.

Before embarking on which questions you will be facing lets see what are the different rounds of interview it has: -
1) General Written test
2) Technical interview which tests your technical capabilities.
3) Management review in which you will be tested on your management skills
4) the most crucial thing is HR interview question.
Out of all these the crucial one will be technical capabilities test and the HR interview. Many candidates clear almost all the rounds and fail in HR interview test.

In the Written test you will be encountering three sub sections they are
(i) Aptitude test
(ii) Reasoning test
(iii) Verbal testing.

Basically all these parts of the test can be solved to an extent if you can review their previous papers. You can very well prepare for the written test.

For written test it is always best to prepare from Barron’s word list. It is helpful for synonyms and antonyms.
 

Technical Interview let me clear you about the general steps you need to take to take they are: -
1) You need to be very clear about your project. Clear concepts about your project can solve approximately 50% of the interview. Communication skills are must develop good English speaking ability if you want to clear with flying colors.
Questions will basically revolve around the concepts of C and C++. Object oriented programming concepts are very important.

Some of the questions are listed in the C and C++ section of this website: -
 

1) Explain about the difference between a primary key and a Unique key?
 

2) What are the different RDBMS explain about one of them?
 

3) What do you mean by object oriented programming?
 

4) State the logic behind palindrome program?
 

5) How do you sort programs or database or applications?
 

6) What is the main difference between PL/SQL and SQL?
 

7) Why do you use stored procedures and what is their main functionality in a RDBMS?
 

8) Explain about UNIX and the various command used to search for errors during run time?
 

9) Explain the difference between overloading and overriding?
 

10) Why should we use data ware housing and how can you extract data for analysis with example?

These questions require basic knowledge and you can answer them if you have a basic knowledge. Don’t forget these are not the only questions there will be questions on your project also.
 

2) Management will ask you questions in this round beware because questions will be asked on situation and behavioral. If you are confused by these two terms check out the questions present in the site for related Q&A.
 

Here are some questions: -
1) Explain to me about your project and draw a diagram to explain the various features and stages of your project?
 

2) What is your most memorable seminar can you please give a seminar on RDBMS?
 

3) Was there any situation in your graduation where you were praised exceptionally for your technical knowledge?
 

4) If you want to add one technical aspect to your project which can improve it considerably what would it be? Explain?
 

5) What do you know about TCS and Why not other software companies?
 

6) You said you are thorough in SQL can you explain me some security loop holes which can access the program and destroy it?
What do you know about the last question it was supposed to be management round and I shouldn’t get technical questions right no wrong they are testing your confidence level they might know the answer but they can sure spot out candidates who have less confidence and minimal technical knowledge.

HR round here you will be tested on your technical skills, management skills, personality, communication, behavior, spontaneity, etc.
 

Some of the questions which you will be facing are as follows: -
1) The most famous question tell me about yourself
2) Can you explain me about your strengths, weakness and favorite pastime?
3) Which work do you like to do often?
4) What do you know about TCS, Vision, one liner, Clients, etc.
5) Do you have enough exposure in software filed
 

If you answered yes then this is your next question
Can you tell me the current trend of Indian software industry and the role of NASSCOM?

These are some of the questions which you will be facing also don’t forget to read questions in other sections because they have loads of questions and answers. Try not to get tensed or over cautious be free and let the interviewer also get comfortable.

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