COM DCOM Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

COM DCOM Interview Questions

Questions Answers Views Company eMail

what is oops

Accenture,

11 23641

Explain transaction atomicity?

1 4567

Explain object pooling?

HCL,

1 6093

Explain JIT activation?

1 6187

Which namespace do the classes, allowing you to support COM functionality, are located?

2548

How do you make a NET component talk to a COM component?

TCS,

3 7870

Explain queued components.

2 5682

How does a DCOM component know where to instantiate itself?

1 4860

What kind of components can be used as DCOM servers?

1 6067

What are the different compatibility types when we create a COM component?

TCS,

1 6226

Which tool is used to configure the port range and protocols for DCOM communications?

1 7393

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10415

What are the purposes of AddRef, Release and QueryInterface functions

2 9801

What should QueryInterface functions do if requested object was not found?

1 5944

How can would you create an instance of the object in COM

2 8580

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Un-Answered Questions { COM DCOM }

How do we create dcom object in vb6?

1079

What is dcom?

949

What is the use of com component in .net?

966

how to call a dll as a COM dll?

1143

Define and explain about COM?

1045

Suppose we have object b and aggregated object c (in- proc server), created by b. Can you access any interface of b from c? What?s the difference between aggregated and contained objects?

929

Does .net replace com?

970

Can you explain what is dcom?

887

How to create an instance of the object in COM?

929

Once I have developed the com wrapper do I have to still register the com in registry?

1027

Suppose we have object B and aggregated object C (in- proc server), created by B. Can you access any interface of B from C?

964

Can I use com components from .net programs?

1039

What is the difference between aggregated and contained objects?

950

Can I use .net components from com programs?

1014

What is reference counting in com?

930

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