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 12586

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

3 13947

What is In-proc?

4 23934

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 4751

What is a moniker ?

3 8159

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

2 6689

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

1 6657

Define and explain COM?

Microsoft,

8 29373

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

Microsoft,

3 10260

how you call a dll as a COM dll.

2 6047

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

8 17497

Differentiate normal DLL to COM DLL

Talisma,

7 21815

Futures of COM

MIT,

3 7263

how do you know it is general dll or com dll

5 9662

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

Wipro,

1 6962

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Un-Answered Questions { COM DCOM }

How do we create dcom object in vb6?

696

What are queued components?

587

Can you explain what is dcom?

545

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?

507

Can I use com components from .net programs?

605

Can I use .net components from com programs?

611

Does .net replace com?

561

How to create an instance of the object in COM?

577

Explain Futures of COM?

578

What is reference counting in com?

554

What is dcom?

538

What is the use of com component in .net?

596

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

659

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

586

Is dcom dead?

627

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