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 13611

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

3 15456

What is In-proc?

4 25483

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 5921

What is a moniker ?

3 9350

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

2 7959

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

1 7498

Define and explain COM?

Microsoft,

8 31527

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

Microsoft,

3 11601

how you call a dll as a COM dll.

2 7126

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

8 19943

Differentiate normal DLL to COM DLL

Talisma,

7 23970

Futures of COM

MIT,

3 8426

how do you know it is general dll or com dll

5 11178

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

Wipro,

1 7773

Post New COM DCOM Questions

Un-Answered Questions { COM DCOM }

how to call a dll as a COM dll?

1180

What is the difference between aggregated and contained objects?

1002

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

1075

Define and explain about COM?

1119

What are queued components?

1068

How do we create dcom object in vb6?

1129

What is reference counting in com?

966

Can I use .net components from com programs?

1052

Does .net replace com?

1037

Explain Futures of COM?

1010

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?

982

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

2617

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

996

Is dcom dead?

1058

Can I use com components from .net programs?

1085

For More Un-Answered { COM DCOM } Questions Click Here