Oracle Oracle Certifications 1Z0-468 Questions & Answers

• Question 71:

  Consider the following code:

  

  If the initial stock amount was 15, and 5 different clients (in different JVMs) attempted to execute the same code simultaneously, what would be the resulting level of stock?

  A. 20, because Coherence does implicit locking

  B. 15, because a concurrency control exception will be thrown

  C. 16, because of the lack of concurrency control

  D. undefined, because of the lack of concurrency control

  Correct Answer: C

• Question 72:

  Which type of appliance would you use to package custom applications into an appliance?

  A. WebLogic Server appliance

  B. external appliance

  C. generic appliance

  D. database appliance

  E. Oracle Tuxedo appliance

  Correct Answer: A

• Question 73:

  Which three metrics are commonly used to evaluate garbage collector performance? (Choose three.)

  A. Throughput

  B. Pause time

  C. Method area

  D. Native threads

  E. Heap size

  Correct Answer: ABE

  http://www.oracle.com/technetwork/java/javase/tech/memorymanagement-whitepaper-1- 150020.pdf(page 5, performance metrics)