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COM DCOM Interview Questions
Questions Answers Views Company eMail

what is oops

Accenture,

11 19772

Explain transaction atomicity?

 1 3841

Explain object pooling?

HCL,

1 5262

Explain JIT activation?

 1 5343

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

2100

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

TCS,

3 6554

Explain queued components.

 2 4737

How does a DCOM component know where to instantiate itself?

 1 4122

What kind of components can be used as DCOM servers?

 1 5365

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

TCS,

1 5277

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

 1 6601

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 9112

What are the purposes of AddRef, Release and QueryInterface functions

 2 8872

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

 1 5077

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

 2 7441

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Un-Answered Questions { COM DCOM }

How to create an instance of the object in COM?

572

What is reference counting in com?

552

What is dcom?

535

What are queued components?

584

Can you explain what is dcom?

543




how to call a dll as a COM dll?

715

Can I use com components from .net programs?

603

What is the use of com component in .net?

591

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

652

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

580

What is the difference between aggregated and contained objects?

567

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?

503

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

2100

Define and explain about COM?

610

Does .net replace com?

557

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