COM DCOM Interview Questions
Questions Answers Views Company eMail

what is oops

Accenture,

11 19522

Explain transaction atomicity?

1 3797

Explain object pooling?

HCL,

1 5210

Explain JIT activation?

1 5291

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

2069

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

TCS,

3 6453

Explain queued components.

2 4687

How does a DCOM component know where to instantiate itself?

1 4055

What kind of components can be used as DCOM servers?

1 5318

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

TCS,

1 5219

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

1 6553

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 9020

What are the purposes of AddRef, Release and QueryInterface functions

2 8807

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

1 5002

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

2 7375


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Un-Answered Questions { COM DCOM }

What are queued components?

563


What is the difference between aggregated and contained objects?

539


What is the use of com component in .net?

561


Does .net replace com?

535


How to create an instance of the object in COM?

550






Is dcom dead?

591


how to call a dll as a COM dll?

682


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

2069


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

558


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

632


Can I use com components from .net programs?

564


Can I use .net components from com programs?

576


How do we create dcom object in vb6?

657


Explain Futures of COM?

560


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?

481