COM DCOM Interview Questions
Questions Answers Views Company eMail

What happens when client calls CoCreateInstance?

Cap Gemini,

2 10229

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

3 9601

What is In-proc?

4 20664




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 3141

What is a moniker ?

3 6238

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

2 5092

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

1 5425

Define and explain COM?

Microsoft,

8 21599




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

Microsoft,

3 8324

how you call a dll as a COM dll.

2 4468

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

8 13047

Differentiate normal DLL to COM DLL

Talisma,

7 17692

Futures of COM

MIT,

3 5339

how do you know it is general dll or com dll

5 7230

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

Wipro,

1 5684


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Un-Answered Questions { COM DCOM }

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

1304