1. In RMI program the following two steps are used to,
Either extend the UnicastRemoteObject class,
the exportObject() method of the UnicastRemoteObject class,
Answer
Correct Answer:
Provide the implementation of the remote interface
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2. RMI has which of these protocols implementations?
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3. When the skeleton receives the incoming request, it does the following tasks?
Answer
Correct Answer:
It reads the parameter for the remote method And It writes and transmits (marshals) the result to the caller
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4. Which is an object, acts as a gateway for the client side, all the outgoing requests are routed through it, and it resides at the client side and represents the remote object?
Answer
Correct Answer:
Stub
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5. In RMI Distributed object applications need to do?
Answer
Correct Answer:
Locate remote objects
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6. In Naming class which method specifies name to a remote object?
Answer
Correct Answer:
Bind(string name)
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7. In RMI the objects are passed by Value or Reference?
Answer
Correct Answer:
Objects are passed by value
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8. In RMI which layer defines and supports the invocation semantics of the RMI connection, this layer maintains the session during the method call?
Answer
Correct Answer:
The Remote Reference Layer
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9. RMI and EJB, provides services to access an object running in another JVM (known as remote object)?
Answer
Correct Answer:
True
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10. RMI uses a layered architecture; each of the layers could be enhanced or replaced without affecting the rest of the system?
Answer
Correct Answer:
True
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11. Java supports RMI, RMI Stands for?
Answer
Correct Answer:
Remote Method Invocation
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12. In RMI Architecture which layer Intercepts method calls made by the client/redirects these calls to a remote RMI service?
Answer
Correct Answer:
Stub & Skeleton Layer
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13. Which method of the Naming class (found in java.rmi) is used to update the RMI registry on the server machine?
Answer
Correct Answer:
Rebind ()
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14. An RMI Server is responsible for:
Answer
Correct Answer:
Creating an instance of the remote object
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15. Which is built on the top of socket programming?
Answer
Correct Answer:
RMI
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16. RMI Architecture consists of how many layers?
Answer
Correct Answer:
4
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17. Which package is used for Remote Method Invocation (RMI)?
Answer
Correct Answer:
Java.rmi
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18. RMI uses which objects for the communication with the remote object?
Answer
Correct Answer:
Stub And Skeleton
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19. In a RMI Client Program, what are the exceptions which might have to handled?
Answer
Correct Answer:
RemoteException
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20. RMI uses which protocol on top of TCP/IP (an analogy is HTTP over TCP/IP)?
