Exam 1z0-134 topic 1 question 17 discussion

Actual exam question from Oracle's 1z0-134

Question #: 17
Topic #: 1

You have a multithreaded application that looks up the WebLoqic JMS ConnectionFactory object from the JNDI tree.
Which statement is correct in this scenario? (Choose the best answer.)

A. It is not permitted. A multithreaded application cannot access the ConnectionFactory object.
B. The access to ConnectionFactory object MUST be synchronized.
C. The ConnectionFactory object can be referenced in a multithreaded application without any special considerations.
D. Multiple threads trying to use the ConnectionFactory object simultaneously will throw an exception.
E. In a multithreaded scenario, connection objects cannot be safely created from the ConnectionFactory.

Show Suggested Answer

Suggested Answer: B 🗳️
A connection factory supports concurrent use, enabling multiple threads to access the object simultaneously.
A session and its message producers and consumers can only be accessed by one thread at a time (i.e. the access must be synchronized). Their behavior is undefined if multiple threads access them simultaneously.
Incorrect Answers:
A, E: A connection factory supports concurrent use, enabling multiple threads to access the object simultaneously.
C, D: A session and its message producers and consumers can only be accessed by one thread at a time. Their behavior is undefined if multiple threads access them simultaneously.
Reference:
http://docs.oracle.com/cd/E12840_01/wls/docs103/jms/fund.html

by chrishillinger at May 29, 2022, 4:16 p.m.

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chrishillinger

3 years ago

Selected Answer: C

According to the posted link it should be C as per the following quote: "A connection factory supports concurrent use, enabling multiple threads to access the object simultaneously"

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