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COM DCOM Interview Questions
Questions Answers Views Company eMail

what is oops

Accenture,

11 21778

Explain transaction atomicity?

 1 4167

Explain object pooling?

HCL,

1 5636

Explain JIT activation?

 1 5806

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

2346

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

TCS,

3 7211

Explain queued components.

 2 5190

How does a DCOM component know where to instantiate itself?

 1 4495

What kind of components can be used as DCOM servers?

 1 5724

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

TCS,

1 5703

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

 1 6980

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 9757

What are the purposes of AddRef, Release and QueryInterface functions

 2 9369

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

 1 5555

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

 2 8108

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Un-Answered Questions { COM DCOM }

Can I use com components from .net programs?

828

Define and explain about COM?

837

What is the difference between aggregated and contained objects?

771

Does .net replace com?

742

Can you explain what is dcom?

712

What is reference counting in com?

741

Explain Futures of COM?

760

How to create an instance of the object in COM?

782

What are queued components?

800

Is dcom dead?

820

Can I use .net components from com programs?

798

how to call a dll as a COM dll?

935

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

792

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

2346

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

867

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