| Other COM DCOM Interview Questions |
| |
| Question | Asked @ | Answers |
| |
| how do you know it is general dll or com dll | | 4 |
| Explain queued components. | | 1 |
| What is a moniker ? | | 2 |
| What is IUnknown? What methods are provided by IUnknown? | IBM | 2 |
| Explain JIT activation? | | 1 |
| What happens when client calls CoCreateInstance? | | 2 |
| How to Use structs in COM interfaces when Automation
compatibility is not an issue? | | 1 |
| Differentiate normal DLL to COM DLL | | 3 |
| 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? | | 2 |
| What is the difference, if any, between OLE and COM? | | 3 |
| What kind of components can be used as DCOM servers? | | 1 |
| What are the different compatibility types when we create a
COM component? | TCS | 1 |
| Write a JCL to copy only selected members from a
partitioned data set to another partitioned data set. (Use:
IEBCOPY) | Wipro | 1 |
| How can would you create an instance of the object in COM | | 2 |
| Explain object pooling? | HCL | 1 |
| what is oops
| | 2 |
| What are the purposes of AddRef, Release and QueryInterface
functions | | 2 |
| Which tool is used to configure the port range and
protocols for DCOM communications? | | 1 |
| What should QueryInterface functions do if requested object
was not found? | | 1 |
| When you call CoInitialize(NULL) function how it works
internally. | | 5 |
| |
| For more COM DCOM Interview Questions Click Here |