Session Bean and DAO

Hi

  I have 3 doubts :

   1- Session Bean prove fine granted to data acess object ?
    Yes or not ?

   2- What are the services the EJB ? (choice 2)
   a) Html generation
   b) Transaction services
   c) lifecycle managemant
   d) remote-methd invocator

   3-IIOP are (choice 2):
   a) security
   b) conectless
   c) connection based
   d) used for remote connection



  Anybody can help me.

  thanks

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