If you have two columns on one page and want to change to one column on the same page, insert a(n):

To build a linked list, we can

A) start with an empty list, and then form an array of nodes. B) start with an empty list, and then perform a series of add item operations. C) use the constructor to create an array of nodes. D) call the list init function. E) None of the above

COGNITIVE ASSESSMENT Which of the following is NOT true about technology certifications?

A. A certification demonstrated your knowledge in a specific area to employers or potential employers. B. Authorized testing centers provide most certification exams for a fee. C. If you do not pass an exam, you may have to pay the fee again to retake it. D. Most certification programs require academic coursework.