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Question about EJB.  RSS feed

 
Haroldo Nascimento
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Posts: 79
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Hi
I have this question about J2EE. Anybody can help me.
1-Entity Bean pooling guarante (only one)
a) Increase scalability
b) Increase reliability
c) Increase performance
d) other
2- What is the type of EJB that: "All beans instance is equal when it is NOT invoked in the server client-invoked method":
a) Stateless
b) Statefull
c) CMP
d) BMP

3-IIOP are (choice 2):
a) security
b) conectless
c) connection based
d) used for remote connection
4- Session Bean prove fine granted to data acess object ?
Yes or not ?
5- What are the services the EJB ? (choice 2)
a) Html generation
b) Transaction services
c) lifecycle managemant
d) remote-methd invocator
6- What design patters prove tranparency access to remote object ?
7- What decrease the maintenance ?
a) High complexibilidade
b) code factory
c) code reuse

Thanks
 
Pradeep bhatt
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Posts: 8933
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Originally posted by Haroldo Nascimento:
Hi
I have this question about J2EE. Anybody can help me.
1-Entity Bean pooling guarante (only one)
a) Increase scalability
b) Increase reliability
c) Increase performance
d) other
a

2- What is the type of EJB that: "All beans instance is equal when it is NOT invoked in the server client-invoked method":
a) Stateless
b) Statefull
c) CMP
d) BMP
a,c,d (i assume that it is pooled state Q)
3-IIOP are (choice 2):
a) security
b) conectless
c) connection based
d) used for remote connection

c,d IIOP is connection based??
4- Session Bean prove fine granted to data acess object ?
Yes or not ?
you can provide fine grained access
5- What are the services the EJB ? (choice 2)
a) Html generation
b) Transaction services
c) lifecycle managemant
d) remote-methd invocator

b,c
6- What design patters prove tranparency access to remote object ?
Proxy
7- What decrease the maintenance ?
a) High complexibilidade
b) code factory
c) code reuse
a not sure abt others
Thanks

[ August 14, 2003: Message edited by: Pradeep Bhat ]
 
It is sorta covered in the JavaRanch Style Guide.
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