________ is a utility that rearranges the fragmented files on your disk to improve efficiency

You can easily ________ your data by using a multitable query

Fill in the blank(s) with correct word

Which of the following statements should be used in secure C programming to display the string "Welcome" not followed by a new-line character?

(a) printf( "Welcome" ); (b) puts( "Welcome" ); (c) printf( "%s", "Welcome" ); (d) None of the above.