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 24344

Explain transaction atomicity?

1 4730

Explain object pooling?

HCL,

1 6253

Explain JIT activation?

1 6340

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

2667

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

TCS,

3 8137

Explain queued components.

2 5880

How does a DCOM component know where to instantiate itself?

1 5022

What kind of components can be used as DCOM servers?

1 6220

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

TCS,

1 6407

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

1 7554

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10698

What are the purposes of AddRef, Release and QueryInterface functions

2 10036

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

1 6103

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

2 8763

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Un-Answered Questions { COM DCOM }

how to call a dll as a COM dll?

1218

What is the use of com component in .net?

1037

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

1036

Can you explain what is dcom?

972

Can I use com components from .net programs?

1138

What is reference counting in com?

1010

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

1109

How to create an instance of the object in COM?

1027

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

2667

Explain Futures of COM?

1063

Does .net replace com?

1089

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?

1030

Can I use .net components from com programs?

1114

Is dcom dead?

1098

How do we create dcom object in vb6?

1175

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