An administrator has just installed a VoIP system and has noticed during peak times that calls are dropped. Which of the following would an administrator implement to alleviate the problem?

Only ______ copy/copies of a static variable are available to objects of a class.

a. one b. two c. three d. none of the above

Which of the following statements is false?

a. Task method updateProgress updates a Task’s progress property, which represents the percentage completion. b. Task method updateValue updates a Task’s value property, which holds each intermediate value. c. Task method isCancelled returns a boolean value indicating whether the Task has been cancelled. d. All of the above are true.