All of the answers to your questions should be in your book or on cisco's site...Try the archive of Groupstudy also. Mark Zabludovsky ~ CCNA <A HREF="mailto: [EMAIL PROTECTED]">[EMAIL PROTECTED]</A> ___________________________________ UPDATED Posting Guidelines: http://www.groupstudy.com/list/guide.html FAQ, list archives, and subscription info: http://www.groupstudy.com Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]