New COM DCOM Interview Questions :: ALLInterview.com http://www.allinterview.com New COM DCOM Interview Questions en-us what is mean by scintific,commercial and business applications? H http://www.allinterview.com/showanswers/97610.html hi,I have applied for NIC test plz if any one have test paper pattrn http://www.allinterview.com/showanswers/81367.html Y U GONG 4 SUCH A F*****G ORGANIGATION.... TURN UR D AND INSERT IN UR H**L..... Write a JCL to copy only selected members from a partitioned data se http://www.allinterview.com/showanswers/67710.html Use this URL: http://publib.boulder.ibm.com/infocenter/zoslnctr/v1r7/index.jsp?topic=/com.ibm.zjcl.doc/zjclt_smplcopypartds.html how do you know it is general dll or com dll http://www.allinterview.com/showanswers/64905.html COM Dll contails IUnknown interface but general DLL doesn't. Futures of COM http://www.allinterview.com/showanswers/62504.html Futures of COM 1.Transparency 2.Extensibility 3.Indirection 4.Versioning 5.Server lifetime management. Differentiate normal DLL to COM DLL http://www.allinterview.com/showanswers/60886.html A normal DLL can export any function. A COM DLL is the one which exports COM APIs like * DllGetClassObject. * DllRegisterServer. * DllUnregisterServer. * DllCanUnloadNow. When you call CoInitialize(NULL) function how it works internally. http://www.allinterview.com/showanswers/60567.html This function is used to initialize a component object model. how you call a dll as a COM dll. http://www.allinterview.com/showanswers/60560.html If a dll is registerable and can keep the interface in COM Runtime library then we can call that dll as COM dll Do COM keep track of all the object references(Accounting)? http://www.allinterview.com/showanswers/18202.html yes Define and explain COM? http://www.allinterview.com/showanswers/18201.html COM (Component Object Model) technology in the Microsoft Windows-family of Operating Systems enables software components to communicate. COM is used by developers to create re-usable software components, link components together to build applicat How to Use structs in COM interfaces when Automation compatibility http://www.allinterview.com/showanswers/16201.html Structs, also known as User Defined Types (UDTs), can be used in Automation- compatible interfaces An Automation- compatible struct may contain only primitive Automation types as its members. Nesting structs is not allowed, but VARIANT is a C is aggregated by B, which in turn aggregated by A. Our client requ http://www.allinterview.com/showanswers/16130.html QueryInterface to A will delegate request to B which, in turn, will delegate request for the interface to C. This pointer will be returned to the client. What is a moniker ? http://www.allinterview.com/showanswers/16129.html An object that implements the IMoniker interface. A moniker acts as a name that uniquely identifies a COM object. In the same way that a path identifies a file in the file system, a moniker identifies a COM object in the directory namespace. Let?s assume we have object B and aggregated object C (in- proc serve http://www.allinterview.com/showanswers/16128.html For the first question, Yes, we can since the QueryInterface () rules of thumb suggest that if we can query an interface of C from B, we should be able to query the viceversa. The IUnknown implementation of both the objects has to do the ' What is In-proc? http://www.allinterview.com/showanswers/16127.html In-proc server is a COM component, when instance is the server is loaded into the caller process space. In-Proc server can be easily identified by .dll extension. Out-of-Proc server is a COM component that run in its own process space and fo