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COM DCOM Interview Questions
Questions Answers Views Company eMail

what is oops

Accenture,

11 16049

Explain transaction atomicity?

1 3060

Explain object pooling?

HCL,

1 4356

Explain JIT activation?

1 4420

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

1657

How do you make a NET component talk to a COM component?

TCS,

3 5126

Explain queued components.

2 3733

How does a DCOM component know where to instantiate itself?

1 3215

What kind of components can be used as DCOM servers?

1 4513

What are the different compatibility types when we create a COM component?

TCS,

1 4372

Which tool is used to configure the port range and protocols for DCOM communications?

1 5660

What is IUnknown? What methods are provided by IUnknown?

IBM,

3 7587

What are the purposes of AddRef, Release and QueryInterface functions

2 7663

What should QueryInterface functions do if requested object was not found?

1 4237

How can would you create an instance of the object in COM

2 6196


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Un-Answered Questions { COM DCOM }

Can I use .net components from com programs?

153


How to create an instance of the object in COM?

156


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

157


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

133


What is dcom?

132






What is reference counting in com?

130


What are queued components?

162


Define and explain about COM?

163


What is the use of com component in .net?

126


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

1657


Explain Futures of COM?

147


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?

134


how to call a dll as a COM dll?

167


Is dcom dead?

138


What is the difference between aggregated and contained objects?

170