Question 1

Which type allows you to share servlet attributes across your entire web application?

Options :

A : ServletContext

B : HttpSession

C : ServletRequest

D : ServletConfig

Answer: A

Question 2

Given the code sample:

And:

And:

And the next fragment from beans.xml:

And this injection point:

@Inject GenericMessenger messageHandler;

Which type would be injected at run time and referenced by the messageHandler variable?

Options :

A : SmsHandler

B : MsgHandler

C : None of the above. An exception would be thrown due to ambiguous bean references.

D : GenericMessenger

Answer: D

Question 3

Given an HttpServletRequest request and an EJB SessionContext ctx.

Which is a valid way to retrieve the Principal invoking either behavior?

Options :

A : request.getCallerPrincipal() and ctx.getCallerPrincipal()

B : request.getUserPrincipal() and ctx.getUserPrincipal()

C : request.getCallerPrincipal() and ctx.getUserPrincipal()

D :

request.getUserPrincipal() and ctx.getCallerPrincipal()

Answer: A

Question 4

You are working with JMS publish-subscribe operations.

What happens when a producer publishes a message to a topic for which a durable subscription exists but there

are no subscribers available?

Options :

A :

The publisher waits for a subscriber, who then consumes it. However, the publisher will time out if no

consumer arrives within the given timeout period.

B :

The publisher sends the message. However, it is never consumed because there wasn’t anything

listening when it arrived, regardless of the message timeout length.

C :

The publisher successfully sends a message, which will be consumed later, once there is a subscriber,

assuming the message hasn’t timed out.

D :

The message publisher is immediately notified about the lack of subscribers and can decide for itself if,

and when, to resend.

Answer: C

Question 5

Given the code fragment:

What output will be returned when this servlet is called a GET request?

Options :

A : Service() method called.

B : Service() method called.Get() method called.

C : An HTTP error

D : GET() method called.

Answer: A

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