Which of these list operation types allows item access at a specified integer position? a. position-based iterator b. index-based c. common collection d. sorted collection e. context-based Which of these list operation types allows item access based on a current cursor position? a. index-based b. common collection c. sorted collection d. context-based e. position-based iterator To support a list iterator, which of these data structure types is preferred? a. doubly-linked structure b. stack c. queve d. singly-linked structure e. array-based structure Which of these is NOT a Lisp-like list feature? a. immutable b. supported by a cooperating set of functions c. uses recursive function definitions d. allows changes to itself e. allows sharing of data structure Which of these list operation types allows item access for a specified item value? a. index-based b. position-based iterator c. common collection d. sorted collection e. context-based