Web design ?

which of these statements is true?

a. works by the federal goverenment are considered public domain.

b. work needs to be registerd to be copyrighted.

c. copyrighted work used for education does not need to be cited.

d. if the copyright symbol is not represented on a webpage then the work is public domain.

Aisha has finished working on a word processing document that contains 15 pages. she has added some special elements in the first three pages, page 9 and 10, and page 15 from the document. she wants to print only these pages to see how they look. which option is the correct way to represent (in the print dialog box) the pages that aisha wants to print

Which statement is true of web-based social media? a.they allow consumers to interact with and update content. b.they cannot be updated easily, as compared to print media. c.they are expensive to produce and maintain, as compared to print and television. d.they can exist independent of the internet.

Anetwork security application that prevents access between a private and trusted network and other untrusted networks