37) Four bits are used for packed sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size ?

38) A station in a network forward incoming packets by placing them on its shortest output queue. What routing algorithm is being used

39) Which of the following program is used to copy files to or from another using time sharing system over a single link ?

40) Working of the WAH generally involves

41) Slotted ALOHA