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 13473

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

3 15265

What is In-proc?

4 25282

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 5679

What is a moniker ?

3 9189

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

2 7810

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

1 7383

Define and explain COM?

Microsoft,

8 31201

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

Microsoft,

3 11418

how you call a dll as a COM dll.

2 6986

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

8 19588

Differentiate normal DLL to COM DLL

Talisma,

7 23653

Futures of COM

MIT,

3 8257

how do you know it is general dll or com dll

5 10965

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

Wipro,

1 7682

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Un-Answered Questions { COM DCOM }

Does .net replace com?

950

How to create an instance of the object in COM?

921

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

2530

Explain Futures of COM?

932

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?

909

Can I use .net components from com programs?

1005

Can I use com components from .net programs?

1029

Define and explain about COM?

1032

Is dcom dead?

994

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

950

How do we create dcom object in vb6?

1073

how to call a dll as a COM dll?

1135

What are queued components?

990

Can you explain what is dcom?

880

What is the use of com component in .net?

953

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