When designing a web based client server application with single application server and database cluster backend, input validation should be performed:

________ dimensional spreadsheets can have multiple worksheets that are linked together

A) One- B) Four- C) Three- D) Two-

Suppose an array reptiles is ["snake", "turtle", "lizard", "crocodile"]. To remove the last item from the array, use the statement ___.

A. reptiles.push("crocodile"); B. reptiles.push(); C. reptiles.pop("crocodile"); D. reptiles.pop(); E. reptiles.unshift("crocodile"); F. reptiles.unshift(); G. reptiles.shift("crocodile"); H. reptiles.shift();