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 23946

Explain transaction atomicity?

1 4644

Explain object pooling?

HCL,

1 6174

Explain JIT activation?

1 6261

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

2596

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

TCS,

3 7987

Explain queued components.

2 5777

How does a DCOM component know where to instantiate itself?

1 4933

What kind of components can be used as DCOM servers?

1 6141

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

TCS,

1 6300

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

1 7464

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10542

What are the purposes of AddRef, Release and QueryInterface functions

2 9913

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

1 6011

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

2 8655

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Un-Answered Questions { COM DCOM }

What is dcom?

981

How do we create dcom object in vb6?

1120

Can you explain what is dcom?

922

Is dcom dead?

1043

Does .net replace com?

1021

Can I use .net components from com programs?

1041

how to call a dll as a COM dll?

1168

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

988

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?

970

What is the use of com component in .net?

1003

Explain Futures of COM?

1006

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

2596

How to create an instance of the object in COM?

960

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

1070

What is reference counting in com?

957

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