Multiple Choice Identify the choice that best completes the statement or answers the question. 16. The search item is called the a. source b. target c. key d. component 17. Inwe assume that the array is circular so that if the lower portion of the array is full, we can contint the search in the top portion of the array. a. quadratic probing b. adjacent probing c. non-linear probing d. linear probing 18. If the hash function causes a cluster at a particular home position and the cluster remains under these probings, it is called a. primary clustering b. secondary clustering c. tertiary clustering d. random clustering