10. Deleted files may be made unrecoverable by overwriting them with data by antiforensic programs that are used to securely wipe files and storage devices. Such programs can securely wipe files by overwriting free storage space ______with zeroes and ones.

a.Once.

b. Two times.

c. Three times.

d. Many times.

11. A common issue for the practitioner is locating the origin of an individual or device that has communicated in some way over the Internet. This is normally accomplished by identifying the location of the Internet protocol (IP) address that is hidden inside each ________on the Internet.

a. Web page.

b. E-mail message sent.

c. Web page and e-mail message.

d. None of the above.

12. When the target is a sophisticated user, IP tracing _______

a. Is a sure fixe way to trace the person's Internet communications.

b. Is a possible way to trace the person's Internet communications.

c. Is not applicable to tracing communications over the Internet.

d. None of the above are correct statements.