11 . What is the exception raised for an error that doesn't fall in any of the categories?

• LookupError
• ReferenceError
• RuntimeError
• SystemError

12 . How to detect the status of a python thread?

• isAlive()
• isActive()
• None
• isDaemon()

13 . How does global value mutation used for thread-safety?

• None
• via GIL (Global Interpreter Lock)
• via Mutex
• via Locking

14 . What are the states/features supported by a RLock object?

• Recursion level
• Locked
• Unlocked
• Owning thread

15 . Which thread method is used to wait until it terminates?

• wait()
• None
• join()
• waitforthread()

16 . What would be the impact of multithreading on a uni-processor system?

• Increase throughput
• Degrade performance
• Reduce execution time
• Improve performance

17 . What is the difference between a semaphore and bounded semaphore?

• A semaphore makes sure its current value doesn't exceed its initial value while bounded semaphore doesn't.
• A bounded semaphore makes sure its current value doesn't exceed its initial value while semaphore doesn't.
• Bounded semaphore holds a counter for the number of release() calls minus the number of acquire() calls, plus an initial value but semaphore doesn't.
• Semaphore holds a counter for the number of release() calls minus the number of acquire() calls, plus an initial value but bounded semaphore doesn't.

18 . What are the states/features supported by a Lock object?

• Locked
• Owning thread
• Unlocked
• Recursion level

19 . Which one is reentrant lock type?

• Condition
• Lock
• Semaphore
• RLock

20 . Which method is used to identify a thread?

• getThread()
• getName()
• None
• get_ident()