Which of the following are TRUE for TCP: TCP is connection less. Lost data is retransmitted. Packets may arrive out of order, but once received, are re-ordered before delivery to the receiving application. Data is delivered as datagram. Built on top of IP.  

Select True or False for the following statements. The Short Term Scheduler is responsible for maintaining memory load.  The Long Term Scheduler prevents Batch systems from being overloaded.  The Medium Term Scheduler selects which process will be allocated to the CPU. 

Identify whether each of the following layers belongs to IP, OSI, or Both: Network Layer. Access Layer. Presentation Layer. Physical Layer.  Application Layer.

Match the page eviction algorithm to the description. 1. This algorithm proceeds in a round-robin fashion. On page fault, if the current page’s reference bit is set, it is cleared and the next page is chosen, this repeats until a page whose reference bit is not set is found. That page is then evicted. 2. This algorithm uses a referenced and modified bit for each page to approximate the least recently used algorithm. 3. This algorithm tracks the number of times a page is used, evicting the least recently used page. 4. This algorithm uses a time window to define a working set of pages that are the most active. It then attempts to evict a page that is not in the working set, only evicting the oldest page if all pages are in the working set.  

Identify whether each of the following layers belongs to IP, OSI, or Both: Application Layer.  Session Layer. Data Link Layer.  Access Layer.  Transport Layer. 

Select which of the following is/are True for Spinlocks Spinlocks are a type of synchronization primitive.  Spinlocks are a form of busy-waiting.  Spinlocks are a type of mutual exclusion mechanism.  Spinlocks are suitable for scenarios where threads may need to sleep while waiting for a lock. 

A sports researcher is testing three different training programs but knows that initial fitness level affects results. Which design approach is best?

A class of 20 students took a quiz worth 10 points. The mean score was 7.5 with a standard deviation of 0.5 points. Which statement best interprets this standard deviation?

What is the correct order of the statistical investigative process?

You have collected data on the number of text messages sent daily by 25 students: 45, 23, 67, 89, 34, 56, 78, 45, 34, 23, 67, 89, 90, 45, 34, 67, 78, 56, 45, 34, 23, 67, 89, 78, 56   Which type of graph would be most appropriate to show the distribution of daily text messages?