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 happens when client calls CoCreateInstance?

Cap Gemini,

2 13492

What is the difference, if any, between OLE and COM?

3 15303

What is In-proc?

4 25316

Let?s assume 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?

3 5725

What is a moniker ?

3 9216

C is aggregated by B, which in turn aggregated by A. Our client requested C. What will happen?

2 7841

How to Use structs in COM interfaces when Automation compatibility is not an issue?

1 7406

Define and explain COM?

Microsoft,

8 31267

Do COM keep track of all the object references(Accounting)?

Microsoft,

3 11453

how you call a dll as a COM dll.

2 7014

When you call CoInitialize(NULL) function how it works internally.

8 19650

Differentiate normal DLL to COM DLL

Talisma,

7 23717

Futures of COM

MIT,

3 8287

how do you know it is general dll or com dll

5 11010

Write a JCL to copy only selected members from a partitioned data set to another partitioned data set. (Use: IEBCOPY)

Wipro,

1 7696

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Un-Answered Questions { COM DCOM }

What is dcom?

949

How do we create dcom object in vb6?

1079

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

964

Can you explain what is dcom?

887

Explain Futures of COM?

947

What is the use of com component in .net?

966

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

1027

What is the difference between aggregated and contained objects?

950

Can I use com components from .net programs?

1039

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?

929

What are queued components?

1001

Does .net replace com?

970

Define and explain about COM?

1045

What is reference counting in com?

930

Can I use .net components from com programs?

1014

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