COM DCOM Interview Questions
Questions Answers Views Company eMail

what is oops

Accenture,

11 19551

Explain transaction atomicity?

1 3805

Explain object pooling?

HCL,

1 5215

Explain JIT activation?

1 5298

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

2071

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

TCS,

3 6460

Explain queued components.

2 4691

How does a DCOM component know where to instantiate itself?

1 4064

What kind of components can be used as DCOM servers?

1 5320

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

TCS,

1 5227

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

1 6559

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 9030

What are the purposes of AddRef, Release and QueryInterface functions

2 8817

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

1 5006

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

2 7382


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Un-Answered Questions { COM DCOM }

What is the use of com component in .net?

567


Can you explain what is dcom?

519


Does .net replace com?

541


Define and explain about COM?

588


What is the difference between aggregated and contained objects?

542






Can I use com components from .net programs?

570


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?

483


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

561


What are queued components?

565


How to create an instance of the object in COM?

553


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

636


how to call a dll as a COM dll?

688


Can I use .net components from com programs?

579


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

2071


What is reference counting in com?

535