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J2EE Interviews Question page7

     

  1. What is handle ?
    An object that identifies an enterprise bean. A client can serialize the handle and then later deserialize it to obtain a reference to the enterprise bean.
       
  2. What is Interview Questions - Home handle ?
    An object that can be used to obtain a reference to the Interview Questions - Home interface. A Interview Questions - Home handle can be serialized and written to stable storage and de-serialized to obtain the reference.
       
  3. What is Interview Questions - Home interface ?
    One of two interfaces for an enterprise bean. The Interview Questions - Home interface defines zero or more methods for managing an enterprise bean. The Interview Questions - Home interface of a session bean defines create and remove methods, whereas the Interview Questions - Home interface of an entity bean defines create, finder, and remove methods.
      
  4. What is HTML ?
    Hypertext Markup Language. A markup language for hypertext documents on the Internet. HTML enables the embedding of images, sounds, video streams, form fields, references to other objects with URLs, and basic text formatting.
      
  5. What is HTTP ?
    Hypertext Transfer Protocol. The Internet protocol used to retrieve hypertext objects from remote hosts. HTTP messages consist of requests from client to server and responses from server to client.
      
  6. What is HTTPS ?
    HTTP layered over the SSL protocol.
      
  7. What is IDL ?
    Interface Definition Language. A language used to define interfaces to remote CORBA objects. The interfaces are independent of operating systems and programming languages.
      
  8. What is IIOP ?
    Internet Inter-ORB Protocol. A protocol used for communication between CORBA object request brokers.
       
  9. What is impersonation ?
    An act whereby one entity assumes the identity and privileges of another entity without restrictions and without any indication visible to the recipients of the impersonator's calls that delegation has taken place. Impersonation is a case of simple delegation.
      
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Posted on: April 18, 2011

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