.net interivew questions Recently asked in cmm level 5 companies

Digital Globalsoft: Company
Techincal

Difference between VB dll and assemblies in .NET
- What is machine.config and web.config
- Tell about WSDL
- About web methods and its various attributes
- What is manifest
- Types of caching
- What does connection string consists of
- Where do you store connection string
- What is the difference between session state and session variables
- How do you pass session values from one page to another
- What are WSDL ports
- What is dataset and tell about its features. What are equivalent methods of previous, next etc. Of ADO in ADO.NET
- What is abstract class
- What is difference between interface inheritance and class inheritance
- What are the collection classes
- Which namespace is used for encryption
- What are the various authentication mechanisms in ASP.NET
- What is the difference between authentication and autherization
- What are the types of threading models
- How do you send an XML document from client to server
- How do you create dlls in .NET
- What is inetermediate language in .NET
- What is CLR and how it generates native code
- Can we store PROGID informatoin in database and dynamically load the component
- Is VB.NET object oriented? What are the inheritances does VB.NET support.
- What is strong name and what is the need of it
- Any disadvantages in Dataset and in reflection
- Advantage of vb.net over vb
- What is runtime host
- How to send a DataReader as a parameter to a remote client
- How do you consume a webservice
- What happens when a reference to webservice is added
- How do you reference to a private & shared assembly
- What is the purpose of System.EnterpriseServices namespace
- About .Net remoting
- Difference between remoting and webservice
- Types of statemanagement techniques
- How to register a shared assembly
- About stateless and statefull webservice
- How to invoke .net components from com components,give the sequence
- How to check null values in dataset
- About how soap messages are sent and received in webservice
- Error handling and how this is done
- Features in .net framework 1.1
- Any problem found in vs.et
- Optimization technique description
- About disco and uddi
- What providers does ado.net uses internally
- Oops concepts
- Disadvantages of vb
- XML serialization
- What providers do you use to connect to oracle database?


Database:

61607; Database
- Types of joins

#61607; General
- What are various life cycle model in S/W development.


Company : Infosys Technical
How do you rate yourself in .NET
- What is caching and types of caching
- What does VS.NET contains
- What is JIT, what are types of JITS and their pupose
- What is SOAP, UDDI and WSDL
- What is dataset
Database
How do you optimize SQL queries
General
- Tell about yourself and job
- Tell about current project
- What are sequence diagrams, collaboration diagrams and difference between them
- What is your role in the current project and what kinds of responsibilites you are handling
- What is the team size and how do you ensure quality of code
- What is the S/W model used in the project. What are the optimization techniques used. Give examples.
- What are the SDLC phases you have involved.
Company : Satyam
Types of threading models in VB.net
- Types of compatability in VB and their usage
- Difference between CDATA and PCDATA in XML
- What is Assync in XML api which version of XML parser u worked with
- Types of ASP objects
- Difference between application and session
- What is web application virtual directory
- Can two web application share a session and application variable
- If i have a page where i create an instance of a dll and without invoking any method can I send values to next page
- Diffeernce between Active Exe and /Dll
- Can the dictionary object be created in client’s ccope?
- About MTS and it’s purpose
- About writting a query and SP which is better
- I have a component with 3 parameter and deployed to client side now i changed my dll method which takes 4 parameter.How can i deploy this without affecting the clent’s code
- How do you do multithreading application in VB
- About Global .asax
- Connection pooling in MTS
- If cookies is disabled in clinet browser will session work
- About XLST
- How do you attach an XSL to an XML in presenting output
- What is XML
- How do you make your site SSL enabled
- Did you work on IIS administration.
Database:
HR
- About educational background
- About work experience
- About area of work
- Current salary, why are looking for a change and about notice period
- About company strength, verticals, clients, domains etc.
- Rate yourself in different areas of .NET and SQL.
Cognizent: Techinical
About response.buffer and repsonse.flush
- About dataset and data mining
- About SOAP
- Usage of htmlencode and urlencode
- Usage of server variables
- How to find the client browser type
- How do you trap errors in ASP and how do you invoke a component in ASP.
Database:
About types of indexes in SQL server
- Difference between writing SQL query and stored procedure
- About DTS usage
- How do you optimize Sql queries.
General
- Dfs
- Rate yourself in .NET and SQL
- About 5 processes
- About current project and your role
• HR
- About educational background, work experience, and area of work.
TCS: Company
Tech Define .NET architecture
- Where does ADO.NET and XML web services come in the architecture
- What is MSIL code
- Types of JIT and what is econo-JIT
- What is CTS, CLS and CLR
- Uses of CLR
- Difference between ASP and ASP.NET
- What are webservices, its attributes. Where they are available
- What is UDDI and how to register a web service
- Without UDDI, is it possible to access a remote web service
- How a web service is exposed to outside world
- What is boxing and unboxing
- What is WSDL and disco file
- What is web.config and machine.config
- What is difference between ASP and ASP.NET
- What is dataset and uses of dataset
- What does ADO.NET consists of?
- What are various authentication mechanisms in ASP.NET
- What do you mean by passport authentication and windows authentication
- What is an assembly and what does manifest consists
- What is strong name and what is the purpose of strong name
- What are various types of assemblies
- Difference between VB.NET and C#. Which is faster
- Types of caching
- How WSDL is stored
- What is the key feature of ADO.NET compared to ADO
- How does dataset acts in a disconnected fashion
- Does the following statement executes successfully:
Response.Write(“value of i = ” + i);
- What is ODP.NET
- What are the providers available with VS.NET
- What is a process
- What is binding in web service
- How a proxy is generated for a web service
- About delegates
- What are static assemblies and dynamic assemlies. Differences between them.
Database:
- What are the types of triggers
- Types of locks in database
- Types of indexes. What is the default key created when a primary key is created in a table
- What is clustered, non-clustured and unique index. How many indexes can be created on a table
- Can we create non-clustured index on a clustered index
- Types of backups
- What is INSTEAD OF trigger
- What is difference between triggers and stored procedures. And advantages of SP over triggers
- What is DTS and purpose of DTS
- Write a query to get 2nd maximum salary in an employee table
- Types of joins.
- What is currency type in database
- What are nested triggers
- What is a heap related to database.
General

• HR
- About yourdelf
- About procsses followed
- Notice period
- Appraisal process
- What is SOAP and why it is required
- About effort estimation
- Whether salary negotiable
- Why are looking for a change
- How fo you appraise a person
- Do you think CMM process takes time
- About peer reviews
- How do you communicate with TL / PM / Onsite team.
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[How do you retrieve set of records from database server.{Set max records = 100 & use paging where pager page no or records = 10 & after displaying 100 records again connect to database retrieve next 100 }]
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