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 23624

Explain transaction atomicity?

1 4562

Explain object pooling?

HCL,

1 6087

Explain JIT activation?

1 6187

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

2541

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

TCS,

3 7862

Explain queued components.

2 5679

How does a DCOM component know where to instantiate itself?

1 4851

What kind of components can be used as DCOM servers?

1 6065

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

TCS,

1 6220

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

1 7384

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 10409

What are the purposes of AddRef, Release and QueryInterface functions

2 9799

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

1 5941

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

2 8570

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Un-Answered Questions { COM DCOM }

What is dcom?

947

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

962

Can you explain what is dcom?

887

What are queued components?

1001

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?

927

Is dcom dead?

1003

How to create an instance of the object in COM?

927

How do we create dcom object in vb6?

1077

Define and explain about COM?

1045

What is the difference between aggregated and contained objects?

948

What is reference counting in com?

930

What is the use of com component in .net?

966

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

2541

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

1025

Can I use .net components from com programs?

1014

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