Questions

1. Which of these is not a concurrent collection?
   1. ConcurrentQueue<T>
   2. ConcurrentBag<T>
   3. ConcurrentStack<T>
   4. ConcurrentList<T>
2. When a thread can only produce data and another thread can only consume data but not both, what is this arrangement?
   1. Pure producer-consumer
   2. Mixed producer-consumer
3. A queue will perform best when the processing time for items is less in the case of a pure producer-consumer scenario.
   1. True
   2. False
4. Which is not a member of ConcurrentStack?
   1. Push
   2. TryPop
   3. TryPopRange
   4. TryPush